WO2012140534A1 - Plateau de cellules pour un empilement de cellules ou autre module de batterie de cellules - Google Patents
Plateau de cellules pour un empilement de cellules ou autre module de batterie de cellules Download PDFInfo
- Publication number
- WO2012140534A1 WO2012140534A1 PCT/IB2012/051561 IB2012051561W WO2012140534A1 WO 2012140534 A1 WO2012140534 A1 WO 2012140534A1 IB 2012051561 W IB2012051561 W IB 2012051561W WO 2012140534 A1 WO2012140534 A1 WO 2012140534A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat sink
- cell
- sink panel
- plastic frame
- dissipating fin
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/227—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
-
- 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
-
- 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/222—Inorganic material
- H01M50/224—Metals
-
- 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/229—Composite material consisting of a mixture of organic and inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- 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
Definitions
- This invention relates to a cell tray for a cell stack or other multiple cell battery module wherein the cell tray cooperates with the peripheral region of the individual cells and serves to locate the multiple cells relative to each other. More particularly, the invention relates to a cell tray that has a heat sink associated with it.
- a cell tray comprising an injection moulded plastic frame and a thermally conductive heat sink panel, the cell tray being characterized in that the injection moulded plastic frame is moulded onto the heat sink panel in a manner permanently attaching the heat sink panel to the injection moulded plastic frame.
- the plastic frame to have a depth relative to the heat sink panel corresponding to a major part of the thickness of a cell to be received therein with the balance of the thickness of the cell corresponding to the thickness of plastic material that flows around the edges of the heat sink panel to locate such edges relative to the heat sink panel in a manner such that, in use, the space between two juxtaposed heat sink panels substantially equals the thickness of a cell; for the plastic frame to surround three sides of a rectangular heat sink panel with the heat sink panel projecting beyond a fourth side of the rectangular frame to provide a heat dissipating fin arrangement projecting beyond the confines of an assembled cell stack that includes a plurality of cells and cell trays according to the invention; for the heat sink panel to have a row of perforations in line with said fourth side of the rectangular plastic frame so that molten plastic material can, during the moulding process, flow through the perforations and set to lock the panel to the plastic of the frame; for the plastic frame to include projections and cooperating sockets for aligning a
- the heat dissipating fin may have gaps extending inwardly from the free edge of the heat sink panel with the gaps terminating short of the said fourth side of the rectangular frame so that the heat dissipating fin is effectively divided into a plurality of adjacent sections along its length to provide for enhanced contact with air that is to cool the heat sink panels, in use.
- the heat dissipating fin has a portion thereof nearer a leading end edge removed to render the surface area of the heat dissipating fin asymmetric about a position in between the leading end edge and a coolant air departure region of the heat dissipating fin.
- the leading end edge of the heat dissipating fin is that end edge that was first contacted by coolant air that flows along the length of the heat dissipating fin, in use.
- the portion of the fin that is removed is preferably defined by a rectangular aperture through the fin in the half thereof nearer the leading end edge of the fin.
- the heat dissipating fin preferably extends along one of the longer sides of the rectangular plastic frame.
- the heat sink panels can conveniently be made of sheet aluminium that is die-cut and punched to provide the required features of the heat sink panel.
- the plastic frame can have the usual material saving and contraction accommodating recesses moulded into them.
- Figure 1 is a perspective illustration of a battery module made up of multiple cell stacks
- Figure 2 is a schematic end view of one cell stack
- Figure 3 is an elevation of a die-cut and punched heat sink panel prior to moulding of the plastic frame thereon;
- Figure 4 is a schematic view of the top edge of a single cell tray
- Figure 5 is an enlarged sectional view showing the edge of the heat sink panel embedded in the plastic material of the frame
- Figure 6 is an enlarged sectional view showing the plastic material of the frame passing through a perforation in the heat sink panel;
- Figure 7 is an elevation of one embodiment of completed cell tray from one side thereof;
- Figure 8 is an elevation of the same completed cell tray from the opposite side thereof;
- Figure 9 is a perspective view showing the cell trays of two cell stacks opened out in the manner of a book and showing one one cell tray and the opposite face of the other cell
- Figure 10 is an elevation of a second embodiment of completed cell tray from one side thereof.
- Figure 1 1 is an elevation of the second embodiment of completed cell tray from the other side thereof. DETAILED DESCRIPTION WITH REFERENCE TO THE DRAWINGS
- a cell tray (1 ) comprises a rectangular injection moulded plastic frame (2) and a thermally conductive aluminium heat sink panel (3) permanently attached to the plastic frame by virtue of the fact that the plastic frame is moulded onto the heat sink panel by an insert moulding technique.
- the heat sink panel is thus permanently attached to the injection moulded plastic frame in the first instance by virtue of a small amount of plastic material (4) that becomes moulded onto the opposite side of the three edges of the heat sink panel as shown in Figure 5.
- the heat sink panel is conveniently made of sheet aluminium that is die-cut and punched to provide the required features of the panel and cell tray that are further described below.
- the cell tray is of basically rectangular shape with the longer dimension of the rectangle extending horizontally, in the operative position, as can be clearly seen in Figures 7 and 8.
- the plastic frame is located predominantly on one side of the heat sink panel and has a depth relative to the heat sink panel corresponding to a major part of the thickness of a pouch cell (5) to be accommodated therein with the balance of the thickness of the cell corresponding to the thickness of plastic material (4) that flows around the edges of the heat sink panel to locate such edges relative to the plastic frame.
- This arrangement is such that the space between two juxtaposed heat sink panels substantially equals the thickness of a cell.
- the plastic frame surrounds three sides of the rectangular heat sink panel with those three edges of the heat sink panel extending into the plastic material, as shown clearly in Figure 5.
- the fourth side of the heat sink panel projects beyond the plastic frame and assumes the form of an extension that serves as a heat dissipating fin (7) in the assembled condition of a cell stack and thus of a battery module, as illustrated especially in Figures 1 , 2 and 8.
- the fin may have gaps (9) extending inwardly from the free edge (1 0) of the heat sink panel with the gaps terminating short of the said fourth side of the rectangular frame so that the heat dissipating fin is effectively divided into a plurality, in this instance three, adjacent sections of substantially equal length along the length of the fin.
- This arrangement is intended to provide for enhanced turbulence of the air that is to cool the heat sink panels, in use, by way of the heat dissipating fins.
- the heat dissipating fins extend, in this embodiment, along the top of one of the longer sides of the rectangular plastic frame.
- this embodiment of heat sink panel has a row of small perforations (12) in line with said fourth side of the plastic rectangular frame so that molten plastic material can, during the moulding process, become locked into the perforations as indicated by numeral (6) in Figure 6. In this manner the fourth side of the plastic rectangular frame becomes firmly attached to the heat sink panel.
- the plastic frame has projections (13) at two adjacent corners thereof and two cooperating sockets (14) at the other two adjacent corners on the one face thereof and coaxially on the other face, complementary sockets and projections.
- the arrangement is such that when a stack of cell trays is located next to each other to form a cell stack, the projections and sockets inter-engage and serve the purpose of aligning the plurality of cell trays in a stacked cooperating relationship.
- the stack can be secured together using screw threaded fasteners (not shown) passing through holes (1 5) in the sides of the frames. Additionally, the projections and sockets may mechanically clip together to reduce the risk of separation during the assembly stage
- the plastic frame has moulded into it recesses (1 6) for receiving terminals (1 7) of cells (5) located in the cell trays.
- the plastic frame is provided, in the usual manner, with material saving and contraction compensating recesses moulded into them.
- plastic material is chosen to be compatible with the thermal expansion properties of the heat sink panel in order to prevent warping of the tray cell.
- heat sink panel and heat dissipating fin may be advantageous especially in instances in which a ceiling (21 ) is present over the battery modules and coolant air is to flow from one end of the heat dissipating fins to the other.
- the one end edge of the heat dissipating fin forms a leading end edge (22) towards which coolant airflow flows in use in the general direction indicated by arrow "X".
- the opposite end region (23) of the heat dissipating fin forms a coolant air departure region, in this instance in which coolant air leaves the heat dissipating fin after flowing from the leading end edge along the fin.
- the direction of the departure of the coolant air may be somewhat transverse to the length of the heat dissipating fin such as in the general direction indicated by arrows "Y" as a result of changing direction upwards because of buoyancy effects.
- the heat dissipating fin has a portion thereof nearer the leading end edge removed to form an aperture (24) and render the surface area of the heat dissipating fin asymmetric about a position in between the leading end edge and the coolant air departure region of the heat dissipating fin.
- the aperture (24) is of generally rectangular shape with a lower boundary of the rectangle approximately coincident with the outer periphery of the plastic frame.
- the rectangular aperture has a length that is just short of one half of the length of the heat dissipating fin, and a height of about one half of the height of the heat dissipating fin.
- the aperture is preferably located a short distance, of the order of 5 mm, inwards from the leading end edge (22) of the heat dissipating fin. This leaves a narrow pillar formation (26) connecting an elevated part (27) of the heat dissipating fin with the heat sink itself in order to contribute significantly to the robustness of the heat dissipating fin and heat sink.
- the fin thus consists of a single fin located predominantly towards one side of the heat sink so that coolant air travels firstly across the aperture section without becoming significantly heated and then along the uninterrupted fin to carry out the main heat removal activity.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
L'invention concerne un plateau de cellules comprenant une armature de plastique en plastique moulée par injection et un panneau dissipateur thermique conducteur thermiquement, l'armature en plastique moulée par injection étant moulée sur le panneau dissipateur thermique d'une manière attachant en permanence le panneau dissipateur thermique à l'armature en plastique moulée par injection. L'armature en plastique a de préférence une profondeur par rapport au panneau dissipateur thermique correspondant à une part importante de l'épaisseur d'une cellule qui doit y être reçue, l'équilibre de l'épaisseur de la cellule correspondant à l'épaisseur de matière plastique qui circule autour des bords du panneau dissipateur thermique pour situer de tels arête par rapport au panneau dissipateur thermique de sorte que l'espace entre deux panneaux dissipateurs thermiques juxtaposés soit sensiblement égal à l'épaisseur d'une cellule. De préférence, l'armature en plastique entoure trois côtés d'un panneau dissipateur thermique rectangulaire, le panneau dissipateur thermique se projetant au-delà d'un quatrième côté de l'armature rectangulaire pour produire un agencement en ailette dissipant la chaleur se projetant au-delà des confins d'un empilement de cellule monté qui comprend une pluralité de cellules et des plateaux de cellule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA2013/08243A ZA201308243B (en) | 2011-04-15 | 2013-11-04 | Cell tray for a cell stack or other multiple cell battery module |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA201102835 | 2011-04-15 | ||
| ZA2011/02835 | 2011-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012140534A1 true WO2012140534A1 (fr) | 2012-10-18 |
Family
ID=46025812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2012/051561 Ceased WO2012140534A1 (fr) | 2011-04-15 | 2012-03-30 | Plateau de cellules pour un empilement de cellules ou autre module de batterie de cellules |
Country Status (2)
| Country | Link |
|---|---|
| WO (1) | WO2012140534A1 (fr) |
| ZA (1) | ZA201308243B (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013144829A1 (fr) * | 2012-03-30 | 2013-10-03 | The Technology Innovation Agency | Panneau dissipateur de chaleur pour empilement de piles par ailette de dissipation de chaleur intégrée |
| CN105304837A (zh) * | 2014-06-05 | 2016-02-03 | 株式会社Lg化学 | 用于二次电池的框架及包括框架的电池模块、电池组和车辆 |
| US20170136846A1 (en) * | 2014-06-18 | 2017-05-18 | Mahle International Gmbh | Fastening arrangement |
| WO2020173382A1 (fr) * | 2019-02-26 | 2020-09-03 | 宁德时代新能源科技股份有限公司 | Module de batteries |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040096730A1 (en) * | 2000-11-21 | 2004-05-20 | Yuichi Kuroki | Constituent part for fuel cell |
| WO2006113517A2 (fr) | 2005-04-14 | 2006-10-26 | Enerdel, Inc. | Appareil et procede pour la fixation d'elements de batterie |
| US20080090137A1 (en) * | 2006-10-13 | 2008-04-17 | Derrick Scott Buck | Battery pack with integral cooling and bussing devices |
| US20090061299A1 (en) * | 2007-08-27 | 2009-03-05 | Toyoda Gosei Co., Ltd. | Battery assembly |
| WO2009146196A1 (fr) | 2008-04-16 | 2009-12-03 | Enerdel, Inc. | Ensemble de batterie pourvu d’un dispositif de regulation de temperature |
| US20100304203A1 (en) * | 2007-11-07 | 2010-12-02 | Buck Derrick S | Battery assembly with temperature control device |
-
2012
- 2012-03-30 WO PCT/IB2012/051561 patent/WO2012140534A1/fr not_active Ceased
-
2013
- 2013-11-04 ZA ZA2013/08243A patent/ZA201308243B/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040096730A1 (en) * | 2000-11-21 | 2004-05-20 | Yuichi Kuroki | Constituent part for fuel cell |
| WO2006113517A2 (fr) | 2005-04-14 | 2006-10-26 | Enerdel, Inc. | Appareil et procede pour la fixation d'elements de batterie |
| US20080090137A1 (en) * | 2006-10-13 | 2008-04-17 | Derrick Scott Buck | Battery pack with integral cooling and bussing devices |
| US20090061299A1 (en) * | 2007-08-27 | 2009-03-05 | Toyoda Gosei Co., Ltd. | Battery assembly |
| US20100304203A1 (en) * | 2007-11-07 | 2010-12-02 | Buck Derrick S | Battery assembly with temperature control device |
| WO2009146196A1 (fr) | 2008-04-16 | 2009-12-03 | Enerdel, Inc. | Ensemble de batterie pourvu d’un dispositif de regulation de temperature |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013144829A1 (fr) * | 2012-03-30 | 2013-10-03 | The Technology Innovation Agency | Panneau dissipateur de chaleur pour empilement de piles par ailette de dissipation de chaleur intégrée |
| CN105304837A (zh) * | 2014-06-05 | 2016-02-03 | 株式会社Lg化学 | 用于二次电池的框架及包括框架的电池模块、电池组和车辆 |
| EP3007265A4 (fr) * | 2014-06-05 | 2017-03-01 | LG Chem, Ltd. | Cadre de batterie rechargeable et module de batterie comprenant celui-ci |
| US9722287B2 (en) | 2014-06-05 | 2017-08-01 | Lg Chem, Ltd. | Frame for secondary battery including cooling plate and main frame having unit frame horizontally spaced apart and battery module including the same |
| CN105304837B (zh) * | 2014-06-05 | 2018-04-13 | 株式会社Lg化学 | 用于二次电池的框架及包括框架的电池模块、电池组和车辆 |
| US20170136846A1 (en) * | 2014-06-18 | 2017-05-18 | Mahle International Gmbh | Fastening arrangement |
| US10532627B2 (en) * | 2014-06-18 | 2020-01-14 | Mahle International Gmbh | Fastening arrangement |
| WO2020173382A1 (fr) * | 2019-02-26 | 2020-09-03 | 宁德时代新能源科技股份有限公司 | Module de batteries |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201308243B (en) | 2015-05-27 |
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