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WO2013050220A1 - Procédés de régénération d'un élément de batterie et de plusieurs éléments de batterie, dispositif pour régénérer plusieurs éléments de batterie et véhicule automobile - Google Patents

Procédés de régénération d'un élément de batterie et de plusieurs éléments de batterie, dispositif pour régénérer plusieurs éléments de batterie et véhicule automobile Download PDF

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Publication number
WO2013050220A1
WO2013050220A1 PCT/EP2012/067747 EP2012067747W WO2013050220A1 WO 2013050220 A1 WO2013050220 A1 WO 2013050220A1 EP 2012067747 W EP2012067747 W EP 2012067747W WO 2013050220 A1 WO2013050220 A1 WO 2013050220A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery cell
parameter value
battery cells
battery
regeneration
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/EP2012/067747
Other languages
German (de)
English (en)
Inventor
Stefan Soboll
Alexander Reitzle
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.)
Robert Bosch GmbH
Samsung SDI Co Ltd
Original Assignee
Robert Bosch GmbH
Samsung SDI Co Ltd
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
Application filed by Robert Bosch GmbH, Samsung SDI Co Ltd filed Critical Robert Bosch GmbH
Publication of WO2013050220A1 publication Critical patent/WO2013050220A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H02J7/927—
    • H02J2105/37—
    • 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

  • Method for regenerating a battery cell and a plurality of battery cells means for regenerating a plurality of battery cells and motor vehicle
  • the present invention relates to a method for the regeneration of a battery cell, a method for the regeneration of a plurality of battery cells and a device for the regeneration of a plurality of battery cells.
  • the present invention relates to a motor vehicle.
  • the present invention is particularly related to the regeneration of lithium-ion battery cells or lithium-ion batteries or corresponding battery cell modules.
  • Wind turbines and mobile electronic devices such as laptops and communication devices. These batteries are very high demands in terms of reliability, durability and performance.
  • lithium-ion technology Predestined for a wide range of applications is lithium-ion technology. It is characterized among other things by high energy density and extremely low self-discharge.
  • Such lithium-ion cells usually comprise an electrode which can reversibly store lithium ions in the course of the so-called intercalation or in the course of the so-called deintercalation can outsource again.
  • the intercalation takes place during the charging process of the battery cell, and deintercalation takes place during the discharge of the battery cell for the power supply of electrical units.
  • EOL end of life
  • the relevant battery cell or the relevant battery pack must then be replaced.
  • DE 699 25 984 T2 discloses a charging method for batteries, in which the battery is charged with a buffer charge from a certain detected battery voltage. This charging process is used to charge the battery in order to provide electrical energy with it.
  • a method for the regeneration of a battery cell, in particular a lithium-ion battery cell which comprises the following steps:
  • Parameter value of the respective permissible parameter value range Change of the charge state of the battery cell by realization of a pulsed current flow at the poles of the battery cell.
  • Battery cell package can be moved to a later date, or is no longer necessary. Thus, the effort for replacement of the battery cells and the material and manufacturing costs for the production of further battery cells can be reduced.
  • the initiation or derivation of the current pulses according to the invention can take place.
  • Internal resistance preferably corresponds to at least 1 10% of the minimum possible internal resistance of the battery cell.
  • the permissible parameter value range of the power should correspond to at least 60% of the maximum possible power of the battery cell.
  • the preferred power limit is about 60-90%, in particular 80% of the maximum possible power of the battery cell.
  • the permissible parameter value range of the capacity should correspond to at least 60% of the maximum possible capacity of the battery cell.
  • the preferred capacity limit is about 60-90%, in particular 80% of the maximum possible capacity of the battery cell.
  • the method according to the invention is not limited to the limit values of the permissible parameter value ranges which are mentioned as preferred
  • Capacity limits are performed, such as for
  • the battery cell is discharged with current pulses.
  • the charging process can also be sequentially combined with the discharge process.
  • the pulsed current flow has a frequency of 0 Hz to 150 Hz, an amplitude of 1 to 15 C and / or takes place over a period of 1 second to 60 seconds.
  • the parameters of the current pulses during charging are preferably the same as when discharging.
  • the realization of the pulsed current flow is repeated until the internal resistance of the battery cell is lower than the specified upper limit of the permissible internal resistance.
  • Parameter value range This also applies to the other parameters, power and capacity, where the pulsed current flow is repeated until the capacity and / or capacity of the battery cell returns to the acceptable capacity or capacity
  • Power range is. That is, the current pulsing is repeated until values regarding the internal resistance and / or the power or the capacity that do not define the end-of-life of the battery cell are reached.
  • a method for the regeneration of a plurality of battery cells, preferably of battery cells, which are arranged in a package, in which the current value of at least one of the parameters internal resistance, power and / or capacitance is detected at the individual battery cells; the average value of the individual battery cells
  • these battery cells arranged in a package are also lithium-ion battery cells.
  • the parameters are measured individually on each battery cell and the battery cells are individually charged or discharged with current pulses.
  • This device comprises a unit for detecting the current value of at least one of the parameters internal resistance, power and / or capacity of the individual
  • a comparison unit for comparing the average parameter value with a predetermined allowable parameter value range; and means for changing the state of charge of the battery cells
  • this device also comprises a device for detecting the power and / or the capacity of the battery cell, which is set up to supply and / or discon- nect the current pulses even when the limit for power or capacity is undershot.
  • Battery cells configured such that with it the inventive method for the regeneration of multiple battery cells is feasible.
  • Such a device may be a diagnostic tester in a workshop or be included by this, or it may be part of a motor vehicle, in which the battery cells are arranged.
  • a motor vehicle in particular a motor vehicle which can be driven by an electric motor, is provided, which comprises a device for regenerating a plurality of battery cells.
  • this device is electrically conductively connected in the motor vehicle with a generator of the motor vehicle.
  • This current pulse course can be realized when charging the battery cell as well as when discharging the battery cell.
  • FIG. 2 shows a current pulse progression, the ramps rising in a positive direction, subsequent continuous courses and associated ones
  • amplitudes in a range of 1 C to 15 C, in a frequency range of 0 Hz to 150 Hz and / or a minimum number of 3 pulses should be realized.
  • FIG. 3 shows, by way of example, a further current pulse course, in which the individual current pulses have branch sections between continuous gradients.
  • the current pulse profiles exemplified can be realized both when charging the battery cell and when discharging the battery cell.
  • the invention is not limited to the fact that when loading the battery cell

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un procédé de régénération d'un élément de batterie, un procédé de régénération de plusieurs éléments de batterie, un dispositif pour régénérer plusieurs éléments de batterie, ainsi qu'un véhicule automobile. L'invention consiste à i) déterminer la valeur effective d'au moins un des paramètres suivants de l'élément de batterie : a) la résistance interne ; b) la puissance ; et/ou c) la capacité ; ii) comparer la valeur déterminée pour ce paramètre avec une plage de valeurs de paramètres admissibles préétablie ; et iii) en cas de divergence entre la valeur déterminée pour le paramètre et la plage de valeurs de paramètres admissibles concernée, modifier l'état de charge de l'élément de batterie par génération d'un flux de courant pulsé aux pôles de l'élément de batterie.
PCT/EP2012/067747 2011-10-06 2012-09-12 Procédés de régénération d'un élément de batterie et de plusieurs éléments de batterie, dispositif pour régénérer plusieurs éléments de batterie et véhicule automobile Ceased WO2013050220A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011084070.2 2011-10-06
DE102011084070A DE102011084070A1 (de) 2011-10-06 2011-10-06 Verfahren zur Regeneration einer Batteriezelle sowie mehrerer Batteriezellen, Einrichtung zur Regeneration von mehreren Batteriezellen und Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2013050220A1 true WO2013050220A1 (fr) 2013-04-11

Family

ID=46851470

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/067747 Ceased WO2013050220A1 (fr) 2011-10-06 2012-09-12 Procédés de régénération d'un élément de batterie et de plusieurs éléments de batterie, dispositif pour régénérer plusieurs éléments de batterie et véhicule automobile

Country Status (2)

Country Link
DE (1) DE102011084070A1 (fr)
WO (1) WO2013050220A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004236381A (ja) * 2003-01-28 2004-08-19 Honda Motor Co Ltd 蓄電池の充放電制御装置および車両用蓄電池の充放電制御装置
JP2005032593A (ja) * 2003-07-07 2005-02-03 Matsushita Battery Industrial Co Ltd 非水電解液二次電池
DE69925984T2 (de) 1999-03-09 2005-12-22 Sony International (Europe) Gmbh Ladegerät für Batterien
EP1701175A2 (fr) * 2005-03-07 2006-09-13 Hitachi Vehicle Energy, Ltd. Alimentation electrique avec détecteur de l'état et moyens de détermination des caractéristiques initiales
DE102008008238A1 (de) * 2007-02-15 2008-08-21 Volkswagen Ag Verfahren zur Ladestrategie eines Hybridantriebs und durchführendes Steuergerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69925984T2 (de) 1999-03-09 2005-12-22 Sony International (Europe) Gmbh Ladegerät für Batterien
JP2004236381A (ja) * 2003-01-28 2004-08-19 Honda Motor Co Ltd 蓄電池の充放電制御装置および車両用蓄電池の充放電制御装置
JP2005032593A (ja) * 2003-07-07 2005-02-03 Matsushita Battery Industrial Co Ltd 非水電解液二次電池
EP1701175A2 (fr) * 2005-03-07 2006-09-13 Hitachi Vehicle Energy, Ltd. Alimentation electrique avec détecteur de l'état et moyens de détermination des caractéristiques initiales
DE102008008238A1 (de) * 2007-02-15 2008-08-21 Volkswagen Ag Verfahren zur Ladestrategie eines Hybridantriebs und durchführendes Steuergerät

Also Published As

Publication number Publication date
DE102011084070A1 (de) 2013-04-11

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