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WO2015066078A1 - Système pour disposer et coupler des éléments de batterie dans un module de batterie - Google Patents

Système pour disposer et coupler des éléments de batterie dans un module de batterie Download PDF

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Publication number
WO2015066078A1
WO2015066078A1 PCT/US2014/062726 US2014062726W WO2015066078A1 WO 2015066078 A1 WO2015066078 A1 WO 2015066078A1 US 2014062726 W US2014062726 W US 2014062726W WO 2015066078 A1 WO2015066078 A1 WO 2015066078A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
row
cells
battery cells
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2014/062726
Other languages
English (en)
Inventor
Jason D. Fuhr
Steven J. Wood
Dale B. Trester
Gary P. Houchin-Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clarios Advanced Solutions LLC
Original Assignee
Johnson Controls Advanced Power Solutions LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US14/065,172 external-priority patent/US20140050967A1/en
Application filed by Johnson Controls Advanced Power Solutions LLC filed Critical Johnson Controls Advanced Power Solutions LLC
Publication of WO2015066078A1 publication Critical patent/WO2015066078A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/308—Detachable arrangements, e.g. detachable vent plugs or plug systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/18—Buses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/32—Waterborne vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H01R11/281—End pieces consisting of a ferrule or sleeve for connections to batteries
    • H01R11/288—Interconnections between batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the present disclosure relates to the field of batteries and battery systems. More specifically, the present disclosure relates to integrally formed terminals for batteries or cells (e.g., lithium-ion batteries).
  • batteries or cells e.g., lithium-ion batteries
  • batteries or cells for use in vehicles such as automobiles.
  • lead-acid batteries have been used in starting, lighting, and ignition applications.
  • hybrid electric vehicles are being developed which utilize a battery (e.g., a lithium-ion or nickel-metal-hydride battery) in combination with other systems (e.g., an internal combustion engine) to provide power for the vehicle.
  • a battery e.g., a lithium-ion or nickel-metal-hydride battery
  • other systems e.g., an internal combustion engine
  • a battery generally includes two terminals (e.g., a positive terminal and a negative terminal, etc.) through which the battery is electrically connected to other batteries or other components.
  • a battery may have terminals that protrude from the battery surface and/or have a casing that acts as a terminal. These terminals are provided as separate elements that are coupled to the battery (e.g., by welding to a battery cover). This adds an additional step to the manufacturing process, as well as increased cost. The integrity of this weld or other coupling mechanism may present issues over the life of the battery.
  • Battery systems or assemblies include a number of batteries or cells electrically coupled to each other and/or to other elements of the system. Such cells are conventionally coupled together using conductive members (e.g., bus bars). Such conductive members may be welded to the terminals of the batteries or secured using fasteners. It would be advantageous to eliminate the need for such conductive members to remove the additional cost and manufacturing time associated with such components (e.g., to reduce the number of parts in the battery system and to eliminate the need to handle and assemble the components during manufacturing).
  • conductive members e.g., bus bars.
  • Such conductive members may be welded to the terminals of the batteries or secured using fasteners. It would be advantageous to eliminate the need for such conductive members to remove the additional cost and manufacturing time associated with such components (e.g., to reduce the number of parts in the battery system and to eliminate the need to handle and assemble the components during manufacturing).
  • a battery that includes one or more terminals that are integrally formed with the body or cover of the battery. It would also be advantageous to configure the terminals so they can be directly coupled to terminals of adjacent batteries.
  • a battery including a housing having a central longitudinal axis.
  • the battery also includes a cover coupled to the housing and a first flange integrally formed with the cover.
  • the first flange is configured to act as a first terminal for the battery. At least a portion of the first flange extends away from the housing in a direction generally perpendicular to the central longitudinal axis.
  • the first flange is configured for electrical coupling with a terminal of an adjacent battery in a battery system.
  • Another embodiment relates to a battery module including a plurality of electrochemical cells.
  • Each of the cells comprise a housing having a longitudinal axis and a lid coupled to the housing.
  • the lid comprises a member configured to act as a first terminal for the cell. At least a portion of the member extends away from the housing in a direction generally perpendicular to the longitudinal axis.
  • the member is conductively coupled to a terminal of an adjacent cell.
  • Another embodiment relates to a method of producing a battery module including providing a plurality of electrochemical cells.
  • Each of the cells comprises a housing having a longitudinal axis and a cover coupled to the housing at a first end of the cell.
  • the cover comprises a member configured to act as a first terminal for the cell. At least a portion of the member extends away from the housing in a direction generally perpendicular to the longitudinal axis.
  • the method also includes coupling the member of one of the plurality of cells to a terminal of an adjacent cell.
  • FIG. 1 is a perspective view of a vehicle having a battery system according to an embodiment
  • FIG. 1 A is a schematic cutaway view of a hybrid electric vehicle according to an embodiment
  • FIG. 2 is a perspective view of a battery system according to an embodiment
  • FIG. 2A is a cutaway perspective view of a battery system according to an embodiment
  • FIG. 3 is a perspective view of a battery or cell according to an embodiment
  • FIG. 4 is an exploded view of the battery of FIG. 3 according to an embodiment
  • FIG. 5 is a perspective view of a cover for a battery according to an embodiment
  • FIG. 6 is a top view of the cover of FIG. 5 according to an embodiment
  • FIG. 7 is a cross-section view of the cover of FIG. 6 taken along line 7-7 according to an embodiment
  • FIG. 8 is a perspective view of a battery according to an embodiment
  • FIG. 9 is a perspective view of the cover of the battery of FIG. 8 according to an embodiment
  • FIG. 10 is a view of multiple batteries connected together according to an embodiment
  • FIGS. 1 lA-11G are views of a battery according to various embodiments.
  • FIG. 12 is an exploded view of a battery according to an embodiment
  • FIG. 13 is an exploded view of a battery according to an embodiment
  • FIG. 14 is a perspective view of a first electrochemical cell coupled to a second electrochemical cell with a bus bar according to an embodiment
  • FIG. 15 is a perspective view of a bus bar coupled to a terminal of an adjacent electrochemical cell according to an embodiment
  • FIG. 16 is a perspective view of a portion of a battery module having a first electrochemical cell coupled to a second electrochemical cell with the bus bar as shown in FIG. 15 according to an embodiment;
  • FIG. 17 is a cutaway perspective view of a portion of an electrochemical cell shown without electrodes according to an embodiment;
  • FIG. 18 is an exploded view of the electrochemical cell as shown in FIG. 17 according to an embodiment
  • FIG. 19 is a perspective view of a lid having an integral bus bar coupled to a terminal according to an embodiment
  • FIG. 20 is a perspective view of the lid as shown in FIG. 19 according to an embodiment
  • FIG. 21 is a perspective view of a battery module according to an embodiment
  • FIG. 22 is a perspective view of the battery module as shown in FIG. 21 with an upper tray removed according to an embodiment
  • FIG. 23 is a perspective view of a plurality of electrochemical cells provided in an upper tray according to an embodiment
  • FIG. 24 is a perspective view of a plurality of electrochemical cells provided in an upper tray according to an embodiment
  • FIG. 25 is a top view of the upper tray as shown in FIG. 21 according to an embodiment
  • FIG. 26 is a perspective view of the upper tray as shown in FIG. 21 according to an embodiment
  • FIG. 27 is a bottom view of the upper tray as shown in FIG. 21 according to an embodiment
  • FIG. 28 is a bottom perspective view of the upper tray as shown in FIG. 21 according to an embodiment
  • FIG. 29 is a top view of an arrangement of battery cells in a battery module according to an embodiment
  • FIG. 30 is a top view of another arrangement of battery cells in a battery module according to an embodiment.
  • FIG. 31 is a top view of another embodiment of battery cells in a battery module according to an embodiment.
  • a vehicle 12 is shown according to an embodiment and includes a battery system 14.
  • the size, shape, configuration, and location of battery system 14 and the type of vehicle 12 may vary according to various embodiments.
  • vehicle 12 in FIG. 1 is shown as an automobile, according to various embodiments, vehicle 12 may comprise a wide variety of differing types of vehicles including, among others, motorcycles, buses, recreational vehicles, boats, and the like.
  • vehicle 12 has a battery system 14 for providing all or a portion of the motive power for the vehicle 12.
  • Such a vehicle can be an electric vehicle (EV), a hybrid electric vehicle (HEV), a plug-in hybrid electric vehicle (PHEV), or other type of vehicle using electric power for propulsion (collectively referred to as "electric vehicles").
  • the location of the battery system 14 may differ.
  • the position of the battery system 14 may be selected based on the available space within the vehicle 12, the desired weight balance of the vehicle 12, the location of other components used with the battery system 14 (e.g., battery management systems, vents or cooling devices, etc.), and a variety of other considerations.
  • FIG. 1A illustrates a cutaway schematic view of a vehicle 100 provided in the form of a PHEV according to an embodiment.
  • a battery system 102 is provided toward the rear of the vehicle 100 proximate to a fuel tank 104 (battery system 102 may be provided immediately adjacent to the fuel tank 104 or may be provided in a separate compartment in the rear of the vehicle 100 (e.g., a trunk) or may be provided elsewhere in the vehicle 100).
  • An internal combustion engine 106 is provided for times when the vehicle 100 utilizes gasoline power to propel itself.
  • An electric motor 108, a power split device 112, and a generator 114 are also provided as part of the vehicle drive system of vehicle 100.
  • the vehicle 100 may be powered or driven by just the battery system 102, by just the engine 106, or by both the battery system 102 and the engine 106.
  • battery system 14 is shown according to an embodiment.
  • Battery system 14 includes a plurality of electrochemical cells or batteries, shown as batteries 10 (e.g., lithium-ion batteries, NiMH batteries, lithium polymer batteries, etc.).
  • Batteries 10 may be positioned within a housing that may include such features as a battery management system, a cooling fan, plenum assembly, etc. Other configurations of battery system 14 may be used in accordance with various other embodiments.
  • a battery system 116 is shown according to an embodiment and is responsible for packaging or containing a battery module 117 containing electrochemical cells or batteries 118, connecting the electrochemical cells 118 to each other and/or to other components of the vehicle electrical system, and regulating the electrochemical cells 118 and other features of the battery system 116.
  • the battery system 116 may include features that are responsible for monitoring and controlling the electrical performance of the battery system 116, managing the thermal behavior of the battery system 116, containment and/or routing of effluent (e.g., gases that may be vented from a cell 118), and other aspects of the battery system 116.
  • effluent e.g., gases that may be vented from a cell 118
  • the battery module 117 includes a plurality of electrochemical cells or batteries 118 (e.g., lithium-ion batteries, nickel-metal-hydride cells, lithium polymer cells, etc., or other types of electrochemical cells now known or hereafter developed).
  • the electrochemical cells 118 are generally cylindrical lithium-ion cells configured to store an electrical charge.
  • cells 1 18 could have other physical configurations (e.g., oval, prismatic, polygonal, etc.).
  • the capacity, size, design, and other features of the cells 118 may also differ from those shown according to other embodiments.
  • the cells 118 each have at least one terminal 119 located at an end thereof.
  • the cells each have two terminals 119 (e.g., a first or positive terminal, and a second or negative terminal) located at an end thereof.
  • the size, shape, and location of the battery module 117 or battery system 116, the type of vehicle 100, the type of vehicle technology (e.g., EV, HEV, PHEV, etc.), and the battery chemistry, among other features, may differ from those shown or described.
  • electrochemical cells 118 Although illustrated in FIG. 2A as having a particular number of electrochemical cells 118, it should be noted that according to other embodiments, a different number and/or arrangement of electrochemical cells 118 may be used depending on any of a variety of considerations (e.g., the desired power for the battery system 116, the available space within which the battery system 116 is designed to fit, etc.).
  • a series of members or elements in the form of trays 140 or similar structures are provided to contain the various cells 118 in relation to each other.
  • the trays 140 may be made of a polymeric material or other suitable materials (e.g., electrically insulative materials).
  • the trays 140 may also include features to provide spacing of the cells 118 away from the surface of the trays 140 and/or from adjacent cells 118.
  • a housing or cover 142 and a base plate may be provided to partially or completely surround or enclose the cells 118 and trays 140.
  • FIG. 2A shows an embodiment of a battery module 117, it should be understood that the battery module 117 is not limited to any particular arrangement as will be appreciated by those reviewing this disclosure.
  • the battery module 117 shown in FIG. 2A is shown with horizontally oriented cells 118 arranged back-to-back in two banks or groups by parallel frame members (i.e., trays 140), it should be understood that the battery module 117 may have many different configurations.
  • the cells 118 may also be generally vertical, be several separate groups, or arranged in other configurations.
  • different numbers and types (e.g., nickel-metal-hydride, etc.) of cells 118 may be used.
  • the cover 142 may include features (e.g., sidewalls, etc.) that are intended to receive and arrange the cells 118.
  • Battery 10 is generally cylindrical and comprises a container 20 (e.g., housing, casing, can, etc.), a cover or lid 30 coupled to container 20, a member or element in the form of an insulator 40 that separates container 20 and cover 30, and one or more terminals 50.
  • Container 20 is a generally hollow body (e.g., can, cup, canister, etc.) made of aluminum or another conductive material.
  • Container 20 has provided therein electrodes 60 and an electrolyte (not shown) and may act as a terminal 50 for battery 10.
  • battery 10 is a lithium-ion battery, although those reviewing this disclosure will recognize that other types of batteries may also use features described herein (e.g., nickel-metal-hydride batteries, lithium-polymer batteries, etc.).
  • Cover 30 is a generally planar member or element (e.g., lid, cap, top, etc) that encloses electrodes 60 and the electrolyte in container 20 and is conductively separated from container 20 by insulator 40.
  • cover 30 is aluminum or another suitable conductive material and is conductively coupled to electrode 60 in battery 10.
  • terminal 50 is a protrusion or extension that is extruded, drawn, molded, cast, or otherwise formed as an integral part of cover 30.
  • terminal 50 may be a variety of shapes other than that shown in FIGS. 5-7 (e.g. cylindrical, rectangular, trapezoidal, etc.) and may be provided in a variety of positions (e.g., central, near the edge, etc.) and orientations.
  • terminal 50 may be provided on container 20 or terminals 50 may be provided both on container 20 and on cover 30.
  • Terminal 50 may be further machined or shaped to provide a feature for coupling terminal 50 to wires, sockets, bus bars, or other components. It should be noted that terminal 50 can either follow the contour of the cover 30 or can be flattened so that a standard spade connector can be placed flat on the surface of the terminal 50 according to other embodiments.
  • Battery 110 is generally cylindrical and comprises a container or housing 120 and a cover or lid 130 coupled to container 120.
  • Container 120 is a generally thin-walled hollow body (e.g., a can, cup, canister, etc.) made of aluminum or another conductive material and is conductively coupled to an electrode (e.g., cathode or anode).
  • Container 120 holds electrodes and an electrolyte (not shown) and may act as a terminal for battery 110.
  • Container 120 includes a side wall 122 with a rim 123.
  • Container 120 also includes a feature shown as a flange 124 (e.g., a tab, flap, projection, extension, protrusion, projection, lip, overhang, protuberance, etc.).
  • Flange 124 is a generally flat member (e.g., a tab, flap, projection, extension, protrusion, projection, lip, overhang, protuberance, etc.) that is integrally formed with side wall 122 and extends upward past rim 123. Flange 124 may be bent and have a vertical portion 126 and a horizontal portion 128 that extends beyond side wall 122 (e.g., in a direction generally perpendicular to the axial or longitudinal direction for the cell). Flange 124 is configured to engage flange 134 on cover 130 of an adjacent battery 110 (described in more detail below with respect to FIG. 10).
  • Cover 130 is a generally flat body (e.g., lid, cap, top, etc.) that encloses electrodes and electrolyte in container 120 and is conductively separated from container 120 with an insulator (not shown).
  • cover 130 is aluminum or another suitable conductive material and is conductively coupled to an electrode in battery 110.
  • Cover 130 comprises a generally flat, circular surface or body 132, and a generally vertical side wall 133 that extends upward from and substantially perpendicular to surface 132.
  • Side wall 133 is a curved feature that substantially follows the contour of side wall 122 of container 120 and has an outer diameter less than the inner diameter of side wall 122.
  • Cover 130 is configured to fit inside the open end of container 120.
  • Cover 130 also includes a feature shown as fiange 134.
  • Flange 134 is a generally flat member (e.g., tab, flap, projection, extension, etc.) that is integrally formed with side wall 133 and extends upward therefrom. Flange 134 may be bent and have a vertical portion 136 and a horizontal portion 138 that extends outward past side wall 133 in a direction generally opposite horizontal portion 128 of fiange 124.
  • a plurality of batteries 110 are shown connected in series to form a portion of a battery module or battery system.
  • vertical portion 136 of fiange 134 on cover 130 is longer than vertical portion 126 of fiange 124 on container 120.
  • horizontal portion 138 of flange 134 on one battery 110 rests on horizontal portion 128 of flange 124 on another battery 110.
  • flanges 124, 134 are welded together.
  • flanges 124, 134 may be coupled in another suitable manner, either permanently or temporarily (e.g., bolted, riveted, crimped, clamped, etc.). Flanges 124, 134 may act as terminals that can directly and conductive ly couple two batteries together, eliminating the need for a separate member to conductively couple the batteries.
  • FIGS. 11A-11G a number of batteries are shown according to various embodiments.
  • Each battery comprises a first terminal and a second terminal.
  • one or both of the terminals may be integrally formed as a part of the cover and/or container of the battery.
  • FIG. 11A illustrates a battery 210 with terminals 220, 230 that are located on the same end of battery 210 and are substantially smooth pins.
  • FIG. 11B illustrates a battery 310 with a first terminal 320 on one end and a second terminal 330 on an opposite end.
  • terminals 320, 330 are substantially smooth pins.
  • FIG. l lC shows an embodiment of a battery 410 with terminals 420, 430 that are located on the same end of battery 410 and are generally thin flat members (e.g., blades). According to an embodiment, terminals 420, 430 are generally parallel. According to other embodiments, terminals 420, 430 may be at some other angle relative to each other (e.g., perpendicular to each other as in FIG. 1 ID).
  • FIG. HE shows an embodiment of a battery 510 with a first terminal 520 on one end and a second terminal 530 on an opposite end.
  • Terminals 520, 530 are generally thin flat members (e.g. blades).
  • FIG. 1 IF shows an embodiment of a battery 610 with terminals 620, 630 that are located on the same end of battery 610 and are generally thin flat members bent into a generally L-shaped profile.
  • first terminal 620 and second terminal 630 are bent such that the horizontal portions of terminals 620, 630 extend toward and beyond the periphery of battery 610.
  • First terminal 620 and second terminal 630 are configured to have horizontal portions of slightly different lengths such that first terminal 620 on one battery 610 may rest on second terminal 630 of an adjacent battery 610.
  • FIG. 11G shows an embodiment of a battery 710 with a first terminal 720 on one end and a second terminal 730 on an opposite end.
  • Terminals 720, 730 are generally thin flat members bent into a generally L-shape profile. According to an embodiment, terminals 720, 730 are bent such that the horizontal portions of terminals 720, 730 extend in the same direction. According to other embodiments, terminals 720, 730 may be bent in opposite directions or may extend at some other angle relative to each other.
  • a battery 810 is shown according to an embodiment and includes a top portion, or cover 830, a bottom portion, or container 820, and a seal portion 860.
  • cover 830 is provided with raised portions or terminals 840, 850 that may act as positive and/or negative terminals for battery 810.
  • Terminals 840, 850 may be integrally formed with cover 830 (e.g., not welded) so as to reduce manufacturing costs and the number of component parts associated with battery 810.
  • seal 860 may be applied around the upper portion of container 820.
  • seal 860 comprises a polymer material such as a polyethylene, etc.
  • other materials may be used to make seal 860.
  • Seal 860 may be provided in a tape or strip form and wrapped around container 820 as shown in FIG. 12 and, in some instances, held in place with an adhesive (e.g., either as an integral part of seal 860 or as a separately provided component).
  • cover 830 in order to attach cover 830 to container 820, cover 830 is first heated to expand the inside diameter of cover 830. While in the expanded condition, cover 830 is fitted over container 820 and seal 860 such that the heat from cover 830 at least partially melts seal 860, thereby helping to seal cover 830 to container 820. As cover 830 is allowed to cool, cover 830 contracts while positioned over container 820, forming a tight, sealed joint between cover 830 and container 820.
  • the inside diameter of cover 830 is approximately the same as the outside diameter of container 820, thereby providing a secure fit between cover 830 and container 820 after coupling of cover 830 to housing 820.
  • the dimensions of cover 830 and/or container 820 may be varied to provide a more or less snug fit for various applications.
  • seal 860 may be provided on cover 830 rather than container 820.
  • seal 860 is configured to act as a vent for battery 810.
  • seal 860 may deteriorate (e.g., melt, etc.) as a result of the pressure and/or temperature within battery 810 reaching a predetermined level, thereby permitting pressurized gases or other fluids to escape from within battery 810. This provides for a method of venting battery 810 that avoids the expense and time of manufacturing and assembling separate components to provide for venting of battery 810.
  • battery 810 is provided as a generally cylindrical battery having a generally circular cross-section.
  • Terminals 840, 850 shown in FIG. 12 are integrally formed with cover 830.
  • Cover 830 may be either conductively coupled to or insulated from container 820.
  • battery 810 may take other shapes and forms, and terminals 840, 850 may be provided as integrally formed terminals in a variety of locations.
  • battery 910 is shown according to an embodiment.
  • battery 910 includes a cover 930 and a container 920.
  • container 920 includes terminals 940, 950 that may be integrally formed with container 920.
  • a seal 960 that may be similar to seal 860 discussed with respect to FIG. 12 is provided around the lower portion of container 920 to seal cover 930 to container 920 in a manner similar to that discussed with respect to FIG. 12.
  • battery 910 is similar to battery 810 and may be manufactured and assembled in a similar manner except that terminals 940, 950 are integrally formed with container 920 (rather than with cover 930), and cover 930 is intended to engage the bottom portion of container 920 (rather than the top portion as shown in FIG. 12). Furthermore, battery 910 is provided with an elongated (e.g., oval, etc.) cross-section, rather than the generally circular cross-section of battery 810. According to various other embodiments, other modifications may be made to batteries 810, 910 in order to accommodate various specific applications. For example, seals 860, 960 may be reinforced by other methods of sealing (e.g., laser welding, sonic welding, adhesives, etc.).
  • FIG. 14 a method of connecting the terminals 1012, 1014 of adjacent cells 1010 is shown according to an embodiment.
  • Each of the cells 1010 are electrically coupled to one or more other cells 1010 or other components of the battery system 116 (shown, e.g., in FIG. 2A) using connectors provided in the form of bus bars 1016 or similar elements.
  • FIG. 14 shows two cells 1010 coupled together with a bus bar 1016 according to an embodiment. A portion of the bus bar 1016 is shown as a broken view to show the interface between the bus bar 1016 and the terminal 1012.
  • the bus bar 1016 is a metallic member (e.g., copper, copper alloy, aluminum, aluminum alloy, etc.) that couples the negative terminal 1014 of a first cell 1010 to the positive terminal 1012 of a second cell 1010.
  • the bus bar 1016 includes a first end 1018 that is coupled to the negative terminal 1014 of the first cell 1010 (e.g., by an interference fit, by welding, etc.) and a second end 1020 that is coupled to the positive terminal 1012 of a second cell 1010 (e.g., by an interference fit, by welding etc.).
  • the first end 1018 and the second end 1020 of the bus bar 1016 each include a projection 1022 (e.g., protruding ridge, lip, flange, extension, etc.) that is configured to substantially surround the terminal 1012, 1014 of a cell 1010.
  • the projection 1022 may be cast or formed by a mechanical process such as a stamping operation, a punching operation, or an extrusion operation. The mechanical process causes the projection 1022 to extend outward from the top surface 1024 of the bus bar 1016.
  • the projection 1022 forms a generally vertical wall 1026 that defines an aperture 1028 that is configured to receive the terminal 1012, 1014 of the projection 1022.
  • the aperture 1028 has a diameter that is smaller than the diameter of the terminal 1012, 1014 so that the bus bar 1016 is coupled to the cell 1010 with an interference fit when the terminal 1012, 1014 is received by the aperture 1028.
  • the bus bar 1016 is assembled with the cells 1010 by first heating the bus bar 1016 (e.g., by induction heating, by an oven, by a flame or heating element, etc.).
  • the heating of the bus bar 1016 occurs as part of an assembly line process where the bus bars 1016 being are heated (e.g., in an oven) in the assembly line and directly assembled with the cells 1010.
  • the bus bar 1016 is heated to a temperature sufficient to expand the material of the bus bar 1016, widening the aperture 1028 formed by the projection 1022 and allowing the terminal 1012, 1014 to be received by the aperture 1028 in the bus bar 1016.
  • these temperatures may vary depending on the material properties of the bus bars 1016 (e.g., coefficient of thermal expansion).
  • An insulator 1132 (e.g., as shown in FIG. 15) may be provided below the bus bar 1016 and around the terminal 1012, 1014 to reduce the chance of inadvertent contact between the bus bar 1016 and the lid or cover 1034 of the cell 1010.
  • the bus bar 1016 may be further coupled to the cell 1010 with a welding operation such as an ultrasonic welding operation, a laser welding operation, or a resistance welding operation.
  • a welding operation such as an ultrasonic welding operation, a laser welding operation, or a resistance welding operation.
  • the bus bar 1016 may be welded to the terminals 1012, 1014 of the cells 1010 instead of being provided with an interference fit and welded to the terminals 1012, 1014 of the cells 1010.
  • the bus bar 1016 may be press fit to the terminals 1012, 1014 of the cells 1010 instead of being welded to the terminals 1012, 1014 of the cells 1010.
  • FIGS. 15-16 show a bus bar 1116 according to another embodiment coupled to a terminal 1112 of a cell 1110. A portion of the bus bar 1116 is shown as a broken view to show the interface between the bus bar 1116 and the terminal 1112.
  • the bus bar 1116 is a metallic member (e.g., copper, copper alloy, aluminum, aluminum alloy, etc.) that couples a first cell 1110 to a second cell (e.g., as shown in FIG. 16).
  • the bus bar 1116 includes a first end 1118 that is coupled to a terminal 1112 of the first cell 1110 (e.g., by an interference fit, by welding, etc.) and a second end 1120 that is coupled to the housing 1 136 of the second cell 1110 (e.g., by a press fit, by an interference fit, by welding, etc.).
  • the first end 1118 of the bus bar 1116 shown in FIG. 15 is similar to the first end 1018 of the bus bar 1016 shown in FIG. 14.
  • the second end 1120 of the bus bar 1116 shown in FIG. 15 is configured to be coupled to the housing 1136 of a second, adjacent cell 1110 and to act as a cover for the second cell.
  • the first end 1118 of the bus bar 1116 includes a projection 1122 (e.g., protruding ridge, lip, flange, extension, etc.) that is configured to substantially surround the terminal 1112 of a first cell 1110.
  • the projection 1122 may be cast or may be formed by a mechanical process such as a stamping operation, a punching operation, or an extrusion operation. The mechanical process causes the projection 1122 to extend outward from a top surface 1124 of the bus bar 1116.
  • the projection 1122 forms a generally vertical wall 1126 that defines an aperture 1128 that is configured to receive the terminal 1112 of the cell 1010. In other words, the terminal 1112 is received in the aperture 1128 defined by the projection 1122 of the bus bar 1116 such that contact is made between the terminal 1112 and an inner surface 1130 of the projection 1122.
  • FIG. 16 shows a portion of a battery module including two cells 1110 coupled together with the bus bar 1116 of FIG. 15.
  • the cells 1110 are generally cylindrical bodies with a top or first surface 1134 having a terminal 1112 (e.g., a negative terminal, a positive terminal) that extends generally upward from the top surface 1134.
  • the terminal 1112 is electrically coupled to a first electrode (not shown) inside the housing 1136 of the cell 1110 (e.g., a negative electrode, a positive electrode).
  • the terminal 1112 is electrically insulated from the housing 1136 itself (e.g., by an insulator 1132).
  • the housing 1136 of the cell 1110, including the top surface 1134 of the cell 1110 is electrically coupled to a second electrode (not shown) inside the housing 1136 of the cell 1010 (e.g., a positive electrode, a negative electrode).
  • the bus bar 1116 is coupled to the cells 1110 by first coupling the second end 1120 of the bus bar 1116 to the top surface 1134 of the of the second cell 1110.
  • the second end 1120 of the bus bar 1116 is press fit into the top of the housing 1136 of the second cell 1110 and then welded (e.g., ultrasonic, laser, resistance, etc.) to form a cover for the cell 1110 (i.e., the cover includes an extension or flange that acts as a bus bar or terminal for coupling to an adjacent cell).
  • the second end 1120 of the bus bar 1116 is larger than the diameter of the top of the second cell 1110 and is coupled to the top of the second cell 1110 with an interference fit.
  • the second end 1120 of the bus bar 1116 is shrunk (e.g., reduced in size, made smaller, etc.) by a cooling process (e.g., using liquid nitrogen).
  • the second end 1120 of the bus bar 1116 is then placed into the open end of the top of the second cell 1110 and allowed to return to room temperature.
  • the second end 1120 of the bus bar 1116 may then be further coupled to the cell 1110 by a welding operation such as an ultrasonic welding operation, a laser welding operation, or a resistance welding operation.
  • the first end 1118 of the bus bar 1116 is then coupled to the terminal 1112 of the first cell 1110.
  • the first end 1118 of the bus bar 1116 is welded (e.g., ultrasonic, laser, resistance, etc.) to the terminal 1112 of the first cell 1110.
  • the first end 1118 of the bus bar 1116 is press fit to the terminal 11 12 of the first cell 1110.
  • the aperture 1128 in the first end 1118 of the bus bar 1116 has a diameter that is smaller than the diameter of the terminal 1112 so that the first end 1118 of the bus bar 1116 is coupled to the terminal 1112 of the first cell 1110 with an interference fit.
  • the first end 1 118 of the bus bar 1116 is heated (e.g., by placing the first end 1118 near a heating element or a flame). Heating the first end 1118 of the bus bar 1116 expands the metal, widening the aperture 1128 formed by the projection 1122 and allowing the terminal 1112 to be received in the aperture 1128 in the first end 1118 of the bus bar 1116. As the bus bar 1116 cools, the diameter of the aperture 1 128 shrinks, forming an interference fit with the terminal 1112.
  • An insulator 1132 (e.g., as shown in FIG. 16) may be provided below the bus bar 1116 and around the terminal 1 112 to reduce the chance of inadvertent contact between the bus bar 1116 and the housing 1136 of the cell 1010.
  • the bus bar 1116 may then be further coupled to the terminal 1112 of the cell 1010 with a welding operation such as an ultrasonic welding operation, a laser welding operation, or a resistance welding operation.
  • a cell can or housing 1212 e.g., a container, casing, etc.
  • the housing 1212 is configured to receive or house a cell element (e.g., a wound cylindrical cell element) that is not shown.
  • the housing 1212 comprises a three-piece structure, comprising a main body 1214 (that may, e.g., be made from an aluminum tube or tubing), a first cover or bottom 1216, and a second cover or lid 1218 that includes a flange (e.g., a tab, flap, projection, extension, protrusion, projection, lip, overhang, protuberance, etc.) that acts as a bus bar or terminal for coupling the cell 1210 to a terminal of an adjacent cell.
  • a flange e.g., a tab, flap, projection, extension, protrusion, projection, lip, overhang, protuberance, etc.
  • the three-piece housing 1212 provides for a flexible design that may be varied (e.g., in length) to provide for various sizes and capacities of cell elements.
  • a different length main body 1214 may be used with the same bottom 1216 and lid 1218.
  • internal connections e.g., current collectors, etc.
  • the external interface e.g., the lid 1218, the bus bars 1226, etc.
  • this type of separate component design allows for lower cost tooling for development and higher efficiencies in economies of scale in that the same design for the bottom 1216 and the lid 1218 may be used interchangeably with different lengths of the main body 1214.
  • the separate components are easier to clean and handle than previous designs.
  • the main body 1214, bottom 1216, and lid 1218 may be cleaned separately and then assembled together.
  • Previous designs having the bottom or the lid integral with the main body made it difficult to clean the inside of the main body and/or the bottom or lid. Having separate components allows for full accessibility to the components of the housing 1212.
  • the bottom 1216 may have an integral vent feature 1220 according to an embodiment.
  • the vent feature 1220 may be configured to separate or deploy from the bottom 1216 if the pressure inside the housing 1212 reaches a predetermined amount.
  • Various sized vents 1220 may be used with the bottom 1216, allowing different internal pressures to be obtained depending on the design (e.g., size) of the vent 1220 used. Additionally, the various sized vents 1220 may be interchanged with different sized housings 1212, dependent upon the needs of the application.
  • the bottom 1216 is coupled (e.g., by a welding process, such as laser welding) to a lower portion of the housing 1212. [0091] Referring to FIGS.
  • the lid 1218 includes a first terminal 1222 (e.g., a positive terminal) that may be provided, for example, in the center of the lid 1218.
  • the first terminal 1222 is insulated from the lid 1218 by the use of an insulating material or insulating device shown as an insulator 1224.
  • the first terminal 1222 may be coupled to an electrode (e.g., a positive electrode) of the cell element (not shown) with a current collector (not shown).
  • the lid 1218 is coupled (e.g., by welding process, such as laser welding) to an upper portion of the housing 1212.
  • the lid 1218 also comprises a member shown as a flange (e.g., a tab, flap, projection, extension, protrusion, projection, lip, overhang, protuberance, etc.) that may act as a terminal or bus bar 1226 for the cell 1210.
  • the bus bar 1226 is integral with the lid 1218 (i.e., the bus bar 1226 and lid 1218 are a single unitary body). Having the bus bar 1226 integral with the lid 1218 reduces the overall component count of the system. Additionally, the number of fasteners (not shown) used (e.g., to couple the bus bars 1226 to the terminals 1222) is reduced. Furthermore, the overall system cost may be reduced by eliminating or reducing the amount of copper used by having integral bus bars 1226.
  • the bus bar 1226 extends out and away from the lid 1218.
  • the bus bar 1226 is at a height that is different (i.e., higher) than the height of the lid 1218, allowing the bus bar 1226 to be placed over (i.e., on top of) a terminal 1222 of an adjacent cell 1210.
  • the bus bar 1226 is configured with an aperture 1228 at an end of the of the bus bar 1226.
  • the aperture 1228 is configured to allow a fastener (not shown) to be placed through the aperture 1228 in order to couple the bus bar 1226 to a terminal 1222 of an adjacent cell 1210.
  • the lid 1218 may also comprise an aperture or hole shown as fill hole 1230.
  • Fill hole 1230 is configured to allow a substance (e.g., electrolyte) to be placed in the cell 1210 after the cell 1210 is assembled.
  • the lid may also comprise an aperture or hole 1234 (e.g., as shown in FIG. 20) configured to receive the first terminal 1222 and insulator 1224.
  • the bus bar 1226 may function as a second terminal 1232 (e.g., a negative terminal) of the cell 1210 due to the fact that the bus bar 1226 may be electrically connected to an electrode (e.g., a negative electrode) of the cell element (not shown).
  • the bus bar 1226 being integral with the lid 1218, may be connected to the electrode by the lid 1218 being electrically connected to the main body 1214 of the housing 1212.
  • the main body 1214 of the housing 1212 is electrically connected to the bottom 1216 of the housing 1212, which in turn is then electrically connected to the electrode of the cell element, completing the connection from the bus bar 1226 to the electrode.
  • a battery module 1300 utilizing cells 1310 having lids 1312 with integral terminals or bus bars 1314 is shown according to an embodiment.
  • the battery module 1300 may be electrically coupled with other battery modules 1300 to form a battery system (not shown) or may be used independently to form its own battery system.
  • the battery system may include other features (not shown) that are responsible for monitoring and controlling the electrical performance of the system, managing the thermal behavior of the system, containment and/or routing of effluent (e.g., gases that may be vented from a cell 1310), and other aspects of the battery module 1300 or battery system.
  • the battery module 1300 includes a plurality of electrochemical cells 1310 each having a flange (e.g., a tab, flap, projection, extension, protrusion, projection, lip, overhang, protuberance, etc.) shown as an integral terminal or bus bar 1314 formed in the lid 1312 of the cell 1310, a first structure or upper tray 1316, and a second structure or the lower tray 1318.
  • the plurality of cells 1310 are provided in between the upper tray 1316 and the lower tray 1318.
  • electrochemical cells 1310 may be used depending on any of a variety of considerations (e.g., the desired power for the battery module 1300, the available space within which the battery module 1300 is designed to fit, etc.).
  • the upper tray 1316 comprises features 1320 (e.g., raised portions, cutouts, channels, spaces, molded areas, etc.) that receive the integral bus bars 1314 of the individual cells 1310 to properly orientate or align the cells 1310 (and the integral bus bars 1314) so that the bus bars 1314 are properly aligned to be connected to an adjacent cell 1310.
  • the upper tray 1316 also comprises a feature shown as a wall 1322 (as shown, e.g., in FIG. 24) that partially surrounds the upper portion of the cell 1310 to aid in properly locating the cell 1310.
  • bus bars 1314 used in connection with the upper tray 1316 need not be integral with the lid 1312 (i.e., the upper tray 1316 will still be able to properly align and orientate cells 1310 having non-integral bus bars 1314).
  • the upper tray 1316 also comprises openings or apertures 1324 that expose a portion of the bus bar 1314 (e.g., the end of the bus bar 1314 having an aperture 1326) to be coupled (e.g., with a fastener, by welding, etc.) to a terminal 1328 of an adjacent cell 1310.
  • the terminal 1328 of the adjacent cell 1310 is threaded (e.g., to receive a fastener 1329, as shown in FIG. 22).
  • the terminal 1328 of the adjacent cell 1310 may be flat so that the terminal 1328 may be welded to the bus bar 1314.
  • the upper tray 1316 may be made of a polymer (e.g., polypropylene, polyethylene, etc.) or any other suitable material (e.g., insulative material).
  • the battery module 1300 is shown to include a seal 1330 provided along an upper surface of the lower tray 1318 in order to seal a chamber (not shown) located inside the lower tray 1318.
  • the seal 1330 is configured to seal the gap between the lower portion of the cells 1310 and the lower tray 1318 (when the cells 1310 are placed in the lower tray 1318).
  • the seal 1330 may be constructed from silicone (e.g., molded silicone) or other appropriate material.
  • the seal 1330 is configured to aid in containing any gases that are vented from the cells 1310 into the chamber.
  • gases may be vented from the cells 1310 via a vent device or vent feature 1334 located at the lower end of each of the cells 1310 (shown, e.g., in FIGS. 23-24).
  • a vent device or vent feature 1334 located at the lower end of each of the cells 1310 (shown, e.g., in FIGS. 23-24).
  • an opening or outlet 1336 may be provided in fluid connection with the chamber. The outlet 1336 may be used to direct gases from the chamber (after having been vented from the cells 1310) to outside the battery module 1300 (e.g., outside the vehicle).
  • the battery module 1300 is shown with the upper tray 1316 removed.
  • the bus bars 1314 of the cells 1310 are properly oriented so that they are ready for connection to a terminal 1328 of an adjacent cell 1310 (or for connection to another module 1300 or other component of the battery system).
  • the battery module 1300 may also include an aperture or hole shown as fill hole 1332 in the lid 1312 of the cell 1310.
  • the fill hole 1332 allows a substance (e.g., an electrolyte) to enter the cell 1310.
  • the upper tray 1316 may be used as an assembly tool or fixture according to an embodiment.
  • the cells 1310 having the integral bus bars 1314 are provided in the upper tray 1316 (which is provided upside down).
  • the alignment features 1320 shown as depressions in FIGS. 24, and 27-28) provided in the upper tray 1316 provide for an assembly/fixturing tool for properly aligning and orientating the individual cells 1310 into place when assembling the module 1300. Utilizing the upper tray 1316 as an assembly tool saves time, energy, and money in assembling the battery module 1300.
  • the bus bars 1314 used in connection with the upper tray 1316 need not be integral with the lid 1312 (i.e., the upper tray 1316 will still be able to properly align and orientate cells 1310 having non-integral bus bars 1314).
  • the cells 1310 (having either an integral bus bar 1314 or a separate bus bar coupled to the lid 1312) are provided upside down into the upper tray 1316 (i.e., the end of the cell 1310 having the lid 1312 and bus bar 1314 are placed into the upper tray 1316).
  • the bus bar 1314 of each individual cell 1310 will be aligned for proper coupling with the terminal 1328 of another cell 1310 (or to other components of the battery module 1300 or battery system).
  • the wall features 1322 of the upper tray 1316 may aid in properly locating the individual cells 1310.
  • the bottom tray 1318 is assembled to the cells 1310 (again, upside down).
  • the bottom tray 1318 may have a seal 1330 provided on it to seal the lower end of the cells 1310 (as shown in FIG. 21).
  • the battery module 1300 is then turned right side up where the bus bars 1314 are then coupled to their respective terminal 1328 (e.g., by a fastener, by welding, etc.).
  • the battery module 1300 may include different numbers or arrangements of the cells 1310 disposed therein.
  • the cells 1310 may be arranged in a manner that minimizes the space taken up by the cylindrical cells 1310.
  • the cells 1310 may be arranged in two or more rows, as shown in FIG. 22 for example, and the cells 1310 in one row may be offset from the cells 1310 in an adjacent row so that more cells 1310 can be packaged into a closer space.
  • the bus bars 1314 may be sized appropriately for this type of arrangement.
  • FIGS. 21-24 involve an arrangement of twelve cylindrical battery cells 1310
  • other numbers of cells 1310 may be utilized in different embodiments.
  • the battery module 1300 may include thirteen cells 1310 instead of twelve, as shown in FIG. 29, to reach a desired power output for the battery module 1300.
  • the nominal voltage of each cell 1310 may be approximately 3.65V for NMC and NCA chemistries, although the voltages may vary with state of charge and other parameters. Thirteen of these cells 1310 would yield a nominal voltage of approximately 48V.
  • different chemistries of the cells 1310 could have different voltages and, thus, may result in a different number of cells 1310 in the battery module 1300.
  • the cells 1310 are arranged into three rows 1350, 1352, and 1354.
  • the first row 1350 includes four cells 1310
  • the second row 1352 includes five cells 1310
  • the third row 1354 includes four cells 1310.
  • the five cells 1310 may be located in the first row 1350 or the third row 1354.
  • the second row 1352 is disposed between and adjacent to the first and third rows 1350 and 1354.
  • the cells 1310 in each row are staggered relative to the cells 1310 in adjacent rows. That is, the cells 1310 in the second row 1352 are staggered relative to the cells 1310 in both the first row 1350 and the third row 1354, allowing for tighter packing of the cells 1310 within the battery module 1300.
  • the cells 1310 may be electrically coupled to each other (e.g., in series) to provide a desired voltage output through terminal connections (not shown) of the battery module 1300.
  • the battery module 1300 includes two end cells 1310A and 1310B, one at each end of the electrically coupled string of battery cells 1310. These end cells 1310A and 1310B may be used to couple the rows of cells 1310 to the positive and negative terminal connections of the battery module 1300.
  • the terminal connections to which the end cells 1310A and 1310B are coupled may include a connection between the cells 1310 in the illustrated battery module 1300 and another group of battery cells disposed in an adjacent battery module of a larger battery system.
  • end cells 1310A and 1310B are a number (e.g., eleven) of intermediate cells 1310 that help to increase the voltage difference available through the terminal connections of the battery module 1300.
  • the end cells 1310A and 1310B may be disposed one at each end of the same row (e.g., second row 1352) of cells 1310.
  • this alignment of the end cells 1310A and 1310B may allow for simpler assembly of the battery module 1300, since symmetrical terminal conductors can transfer the power from the cells 1310 to external battery terminals.
  • the aligned end cells 1310A and 1310B may facilitate relatively easy connection of the battery modules, since the end cells 1310A and 1310B of all the modules are aligned with each other.
  • the battery module 1300 may include one end cell 1310B in the second row 1352 and the other end cell 1310A in either the first row 1350 or the third row 1354.
  • the battery module 1300 may be equipped with asymmetrical terminal conductors for transmitting the power to terminals of the battery module 1300, or to the cells 1310 in an adjacent battery module 1300.
  • the cells 1310 are electrically coupled via the bus bars 1314 across the three rows 1350, 1352, and 1354 in a zigzag pattern. More specifically, the cells 1310 are oriented such that the intermediate cells 1310 are connected in a pattern that snakes back and forth between the cells 1310 in each of the different rows while traversing along a length of the rows.
  • Each of the intermediate cells 1310 located in the first row 1350 are coupled (via bus bars 1314) between an adjacent cell 1310 in the first row 1350 and a cell 1310 in the second row 1352.
  • Each intermediate cell 1310 located in the second row 1352 is coupled between a cell 1310 in the first row 1350 and a cell in the third row 1354.
  • each intermediate cell 1310 located in the third row 1354 is coupled between an adjacent cell 1310 in the third row 1354 and a cell 1310 in the second row 1352.
  • Other arrangements of battery modules 1300 that utilize multiple rows of cells 1310 coupled together may feature similar zigzag patterns of bus bar connections between the cells 1310, in other embodiments.
  • the three row zigzag pattern of connecting the cells 1310 via the bus bars 1314 in FIG. 29 is also used in the embodiment of the battery module 1300 shown in FIG. 22.
  • This embodiment has twelve cells 1310 coupled together, four cells 1310 in each of three separate rows.
  • presently disclosed battery modules 1300 may include cells 1310 that are coupled together via flanged bus bars 1314 in the above described pattern, regardless of whether the total number of battery cells 1310 is twelve, thirteen, or some other number.
  • FIG. 30 illustrates one such arrangement of cells 1310 that follows a similar zigzag pattern as the embodiment of FIG. 29, with a slight change at the negative end (e.g., toward end cell 1310B).
  • This arrangement of the cells 1310 positions the end cell 1310B at the negative end of the battery module 1300 into alignment with the end cell 1310A at the positive end.
  • Both of these end cells 1310A and 1310B are in the third row 1354, so that symmetrical terminal conductors can couple the battery cells 1310 with external battery terminals or adjacent battery modules.
  • FIG. 31 shows another embodiment of the battery module 1300 that includes thirteen cells 1310 for providing a desired voltage drop across the battery module 1300.
  • the illustrated embodiment includes a first row 1360 of seven cells 1310 and a second row 1362 of six cells 1310.
  • the cells 1310 in the first row 1360 are offset from the cells 1310 in the second row 1362 to allow a relatively efficient use of space for packaging the cells 1310 within the battery module 1300.
  • the cells 1310 are coupled together via the bus bars 1314 in a different zigzag pattern than the pattern described above with reference to FIG. 29.
  • the illustrated zigzag pattern alternates between battery cells 1310 disposed in the first row 1360 and battery cells 1310 disposed in the second row 1362. This arrangement may provide an adequate amount of space between the different bus bars 1314 that are used to connect the cells 1310.
  • a similar zigzag pattern may be used in embodiments of the battery module 1300 that include twelve cells 1310 coupled together and disposed in two rows. It should be noted that, in some embodiments, the bus bar 1314 extending from the end cell 1310A may be oriented with the row 1360, as indicated by reference number 1363.
  • the arrangements of cells 1310 described above feature the cells 1310 oriented such that the bus bars 1314 are positioned at relative angles to each other. These angles are small enough that a zigzag pattern can be used for connecting the cells 1310, and the angles are large enough that the bus bars 1314 do not intersect or touch one another. In the illustrated embodiments of FIGS.
  • the cells 1310 are oriented such that the bus bars 1314 corresponding to each pair of adjacent cells 1310 that are coupled together are offset by an angle of either approximately 60 degrees or approximately 120 degrees.
  • the term approximately in this instance means within ten degrees.
  • FIGS. 29 and 30 illustrate pairs of adjacent bus bars 1314 that are oriented with an offset angle 1364 of approximately 60 degrees from each other.
  • other pairs of adjacent bus bars 1314 in these embodiments are oriented with an offset angle 1366 of approximately 120 degrees from each other.
  • every adjacent pair of bus bars 1314 is oriented with an offset angle 1368 of approximately 60 degrees from each other.
  • battery modules 1300 having any of the above described cell arrangements. That is, the battery module embodiments illustrated in FIGS. 29 and 30 may also include the upper tray 1316 with cell alignment features 1320, and the lower tray 1318 with the chamber and the seal 1330. In addition, other embodiments of battery modules 1300, which may have different numbers of cells 1310 or rows of cells 1310 coupled together, can be oriented according to the zigzag patterns described above, and may include the tray 1316 and/or the chamber as well.
  • a battery module includes a plurality of electrochemical cells provided in between a bottom tray and an upper tray.
  • the electrochemical cells may include a housing having a tubular main body, a bottom, and a lid.
  • the bottom may include a vent feature to allow venting of gases and/or effluent from inside the housing.
  • the lid may include a first terminal that is insulated from the lid and a bus bar that is integral to the lid.
  • the integral bus bar may serve as a second terminal of the cell.
  • the battery module may also include a seal provided between the lower end of the cell and the lower tray to seal a chamber configured to receive vented gases from the cells.
  • the upper tray may include features and/or cutouts to help properly align and orientate the cells having integral bus bars.
  • the battery module includes a plurality of electrochemical cells provided in between a first structure and a second structure.
  • Each of the electrochemical cells includes a feature extending from a top of the electrochemical cells, the feature configured to electrically couple the electrochemical cell to a terminal of an adjacent electrochemical cell or other component of the battery module.
  • the first structure includes features to properly orientate each of the electrochemical cells.
  • a method of assembling a battery module includes providing a plurality of electrochemical cells in a first structure.
  • Each of the plurality of electrochemical cells has a lid having an integral bus bar.
  • the first structure has features to properly orientate the integral bus bars of each of the plurality of electrochemical cells.
  • the method further includes providing a second structure over the ends of the electrochemical cells.
  • One advantageous feature of providing terminals that are integrally formed with a cover, lid, or container for a battery or cell is that the need to separately manufacture and couple the terminal to the cover, lid, or container is eliminated. In this manner, labor and manufacturing costs may be reduced as compared to other cells in which terminals are separately manufactured from the lid, cover, or container (e.g., by eliminating steps in the manufacturing operation). Additionally, providing terminals that are integrally formed reduces the opportunity for failure modes to take effect (e.g., because the terminal is not welded to the cover or container, there is not a weld point which may be a point of electrical shorting or failure)
  • a battery module includes a plurality of electrochemical cells provided in at least two rows such that the cells in each row are offset from the cells in adjacent rows.
  • the plurality of cells are electrically coupled to each other to output a voltage drop across two terminal connections of the battery module.
  • Some embodiments may include an arrangement of twelve or thirteen total cells disposed in the rows.
  • the battery module includes two rows of cells that are connected in a zigzag pattern.
  • the battery module includes three rows of cells that are connected via bus bars or integral terminals extending from one cell to the next. More specifically, battery cells located in a first row may be coupled between an adjacent cell in the first row and a cell in the second row.
  • Battery cells located in the second row may be coupled between a cell in the first row and a cell in the third row, and battery cells located in the third row may be coupled between a cell in the second row and an adjacent cell in the third row.
  • the offset angles between adjacent bus bar terminals in each of the disclosed cell arrangements may enable a relatively space efficient packaging of the cells within the battery module.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un module de batterie, qui comprend une pluralité d'éléments de batterie disposés en au moins deux rangées. Les éléments de batterie en rangées adjacentes sont décalés les uns par rapport aux autres. Chacun de la pluralité d'éléments de batterie comprend un couvercle et un premier terminal qui s'étend du couvercle vers l'extérieur. Le premier terminal est configuré pour être couplé à un second terminal sur un élément de batterie adjacent. La pluralité d'éléments de batterie sont couplés électriquement l'un à l'autre en zigzag par l'intermédiaire des premier et second terminaux.
PCT/US2014/062726 2013-10-28 2014-10-28 Système pour disposer et coupler des éléments de batterie dans un module de batterie Ceased WO2015066078A1 (fr)

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US14/065,172 US20140050967A1 (en) 2006-08-11 2013-10-28 System for arranging and coupling battery cells in a battery module
US14/065,172 2013-10-28

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KR102059615B1 (ko) 2015-07-13 2019-12-26 주식회사 엘지화학 배열 형태의 변경이 가능한 프레임 어셈블리 및 이를 포함하는 전지모듈
WO2020099535A1 (fr) * 2018-11-14 2020-05-22 Webasto SE Couvercle pour module de batterie, ensemble de module de batterie et batterie
CN111599972A (zh) * 2019-02-21 2020-08-28 三星Sdi株式会社 电池组
CN112531242A (zh) * 2020-12-04 2021-03-19 珠海冠宇电池股份有限公司 扣式电池及电子设备
EP3828991A1 (fr) * 2019-11-29 2021-06-02 Samsung SDI Co., Ltd. Bloc-batterie
CN113224472A (zh) * 2021-05-14 2021-08-06 陕西奥林波斯电力能源有限责任公司 一种大容量电池的集流盘及其极柱连接结构
WO2022238068A1 (fr) * 2021-05-10 2022-11-17 Bayerische Motoren Werke Aktiengesellschaft Dispositif de stockage à haute tension avec ensemble connecteur d'élément de petite taille
US11616266B2 (en) 2019-11-29 2023-03-28 Samsung Sdi Co., Ltd. Battery pack including exhaust pipe
US11652256B2 (en) 2019-11-29 2023-05-16 Samsung Sdi Co., Ltd. Battery pack
US11721864B2 (en) 2019-11-29 2023-08-08 Samsung Sdi Co., Ltd. Battery pack with separated cooling channels and discharge path
US12119507B2 (en) 2019-11-29 2024-10-15 Samsung Sdi Co., Ltd. Battery pack
WO2024255926A1 (fr) * 2023-10-26 2024-12-19 惠州亿纬锂能股份有限公司 Élément électroconducteur, barre omnibus et module de batterie
EP4579925A1 (fr) * 2023-12-31 2025-07-02 Eve Energy Co., Ltd. Unité de connexion, barre omnibus et module de batterie
US12362415B2 (en) 2019-11-29 2025-07-15 Samsung Sdi Co., Ltd. Battery pack
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US20090208836A1 (en) * 2006-08-11 2009-08-20 Johnson Controls - Saft Advanced Power Solutions Llc Battery with integrally formed terminal
EP2172994A1 (fr) * 2008-10-01 2010-04-07 Johnson Controls Saft Advanced Power Solutions LLC Module de batterie doté de cellules électrochimiques avec des terminaux formés intégralement
WO2010085636A2 (fr) * 2009-01-23 2010-07-29 Johnson Controls - Saft Advanced Power Solutions Llc Module de batterie comportant des cellules électrochimiques avec des bornes formées de façon solidaire

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102059615B1 (ko) 2015-07-13 2019-12-26 주식회사 엘지화학 배열 형태의 변경이 가능한 프레임 어셈블리 및 이를 포함하는 전지모듈
CN113039678B (zh) * 2018-11-14 2024-03-26 韦巴斯托股份公司 用于电池模块的盖、电池模块装置以及电池
WO2020099535A1 (fr) * 2018-11-14 2020-05-22 Webasto SE Couvercle pour module de batterie, ensemble de module de batterie et batterie
CN113039678A (zh) * 2018-11-14 2021-06-25 韦巴斯托股份公司 用于电池模块的盖、电池模块装置以及电池
US20220013845A1 (en) * 2018-11-14 2022-01-13 Webasto SE Lid for a battery module, battery module arrangement and battery
CN111599972B (zh) * 2019-02-21 2022-09-23 三星Sdi株式会社 电池组
CN111599972A (zh) * 2019-02-21 2020-08-28 三星Sdi株式会社 电池组
US11476529B2 (en) 2019-02-21 2022-10-18 Samsung Sdi Co., Ltd. Battery pack with bus bar outside cell region
US11652256B2 (en) 2019-11-29 2023-05-16 Samsung Sdi Co., Ltd. Battery pack
US12119507B2 (en) 2019-11-29 2024-10-15 Samsung Sdi Co., Ltd. Battery pack
EP3828991A1 (fr) * 2019-11-29 2021-06-02 Samsung SDI Co., Ltd. Bloc-batterie
US11721864B2 (en) 2019-11-29 2023-08-08 Samsung Sdi Co., Ltd. Battery pack with separated cooling channels and discharge path
US11616266B2 (en) 2019-11-29 2023-03-28 Samsung Sdi Co., Ltd. Battery pack including exhaust pipe
US11837738B2 (en) 2019-11-29 2023-12-05 Samsung Sdi Co., Ltd. Battery pack
US12362415B2 (en) 2019-11-29 2025-07-15 Samsung Sdi Co., Ltd. Battery pack
US12469905B2 (en) 2020-06-03 2025-11-11 Zhuhai Cosmx Battery Co., Ltd. Button cell and electronic equipment
CN112531242A (zh) * 2020-12-04 2021-03-19 珠海冠宇电池股份有限公司 扣式电池及电子设备
WO2022238068A1 (fr) * 2021-05-10 2022-11-17 Bayerische Motoren Werke Aktiengesellschaft Dispositif de stockage à haute tension avec ensemble connecteur d'élément de petite taille
CN113224472A (zh) * 2021-05-14 2021-08-06 陕西奥林波斯电力能源有限责任公司 一种大容量电池的集流盘及其极柱连接结构
WO2024255926A1 (fr) * 2023-10-26 2024-12-19 惠州亿纬锂能股份有限公司 Élément électroconducteur, barre omnibus et module de batterie
EP4546524A1 (fr) * 2023-10-26 2025-04-30 Eve Energy Co., Ltd. Élément conducteur, barre omnibus et module de batterie
EP4579925A1 (fr) * 2023-12-31 2025-07-02 Eve Energy Co., Ltd. Unité de connexion, barre omnibus et module de batterie

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