WO2012175169A2 - Procédé de traitement et/ou de réparation d'une cellule électrochimique et batterie comportant un certain nombre desdites cellules électrochimiques - Google Patents

Procédé de traitement et/ou de réparation d'une cellule électrochimique et batterie comportant un certain nombre desdites cellules électrochimiques Download PDF

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Publication number
WO2012175169A2
WO2012175169A2 PCT/EP2012/002346 EP2012002346W WO2012175169A2 WO 2012175169 A2 WO2012175169 A2 WO 2012175169A2 EP 2012002346 W EP2012002346 W EP 2012002346W WO 2012175169 A2 WO2012175169 A2 WO 2012175169A2
Authority
WO
WIPO (PCT)
Prior art keywords
par
electrochemical cell
predetermined
parameter data
electrochemical
Prior art date
Application number
PCT/EP2012/002346
Other languages
German (de)
English (en)
Other versions
WO2012175169A3 (fr
Inventor
Tim Schaefer
Original Assignee
Li-Tec Battery Gmbh
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 Li-Tec Battery Gmbh filed Critical Li-Tec Battery Gmbh
Priority to CN201280030255.1A priority Critical patent/CN103620858A/zh
Priority to EP12725628.7A priority patent/EP2724412A2/fr
Priority to KR1020137034494A priority patent/KR20140045446A/ko
Priority to JP2014516218A priority patent/JP2014520373A/ja
Publication of WO2012175169A2 publication Critical patent/WO2012175169A2/fr
Publication of WO2012175169A3 publication Critical patent/WO2012175169A3/fr

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • 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
    • H01M10/4285—Testing apparatus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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
    • 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

  • the invention relates to a method for the treatment and / or repair of an electrochemical cell and a battery having a number of treated by this method electrochemical cells.
  • Electrochemical energy stores also referred to below as electrochemical or galvanic cells, are often produced in the form of stackable units, from which by combining a plurality of such cells batteries for different applications, in particular for use in electrically powered vehicles can be produced.
  • the invention will be described in relation to the use in a motor vehicle, although it should be noted that such a method and a battery with appropriately designed electrochemical cells and independent of motor vehicles z. B. in a stationary use, in particular for an uninterruptible power supply or a stationary energy storage can be operated.
  • an electrode assembly with electrodes and separator is prepared and this electrode assembly is placed in a sheath, it being possible for the electrolyte to be added subsequently, if the separator has been processed without electrolyte.
  • charging of the electrochemical cell to preferably 47 percent of their nominal capacity or 3.65 V cell voltage and processing steps such.
  • z. B the capture of parameter data to determine further treatment steps to increase the quality or yield, so that optionally a further treatment such.
  • hardening, rolling, brushing, stripping, doctoring, resting bearings, tempering, forming or degassing can be done.
  • an electrochemical cell is to be understood as meaning an electrochemical energy store, that is to say a device which stores energy in chemical form, delivers it in electrical form to a consumer and preferably can also receive it in electrical form from a charging device.
  • electrochemical energy stores are galvanic cells or fuel cells.
  • the electrochemical cell has at least a first and a second device for storing electrically different charges, and a means for producing an electrical active connection of these two devices, wherein charge carriers can be moved between these two devices. Under the means for producing an electrical active compound z. B. to understand an electrolyte, which acts as an ion conductor.
  • the electrochemical cells which are relatively hard and whose internal resistance changes little after applying a pressure on the side surfaces, do not gas after closing.
  • a particularly simple and reliable assignment of the electrochemical cell to different types of quality and thus to corresponding subsequent treatment steps to increase the quality can thus take place.
  • the quality z For example, with the following relationship, where dR, the change of the internal resistance and dF, the change of the applied force means:
  • a flat electrochemical cell is to be understood as meaning an electrochemical cell whose external shape is characterized by two essentially parallel surfaces whose vertical distance from one another is shorter than the average length of the cell measured parallel to these surfaces. Between these surfaces, often surrounded by a packaging or a cell housing, the electrochemically active components of the cell are arranged. Such cells are often surrounded by a multi-layered film packaging, which has a sealed seam at the edges of the cell packaging, which is formed by permanently connecting or closing the film packaging in the region of the sealed seam. Such cells are often referred to as pouch cells or as coffeebag cells.
  • the step of acquiring parameter data may include detecting an internal resistance of the electrochemical cell, detecting an internal pressure of the electrochemical cell, detecting a quiescent voltage of the electrochemical cell, detecting a capacitance of the electrochemical cell, or detecting internal structures of the electrochemical cell Cell by X-ray method.
  • the step of determining by means of the control unit has at least one of the following determining steps: determining whether the transmitted parameter data have predetermined first parameter values and / or determining whether the transmitted parameter data does not have predetermined second parameter values ,
  • the step of determining by means of the control unit may include the step of: determining whether the parameter data is within at least one predetermined parameter value range by a predetermined fifth parameter value.
  • the treatment and / or repair method comprises at least one of the following treatment steps: selecting and performing at least one predetermined charging, preferably a slow charging with a charging current in the range of 100 to 850 mA over a period of 15 to 60 s, the electrochemical Cell responsive to at least one result of the determining steps, selecting and performing at least one predetermined hardening of the electrochemical cell in response to at least one result of the determining steps, selecting and performing at least one predetermined resting storage of the electrochemical cell depending on at least one result of the determining steps, selecting and performing at least one predetermined forming of the electrochemical cell in dependence on at least one result of the determining steps, selecting and performing at least one vo determining and performing at least one predetermined sweep of the electrochemical cell in response to at least one result of the determining steps, selecting and performing at least one predetermined sweeping of the electrochemical cell in response to at least one of Result of the determining steps selecting and performing at least one predetermined doctoring of the electrochemical cell in dependence on at least one result of the
  • An advantage of this embodiment is that when z. B. has been determined by the determination step that the electrochemical cell is particularly soft subsequent steps for curing can be performed, whereas when z. B. has been determined by the determination step that the electrochemical cell has sufficient hardness, subsequent processing steps can be saved.
  • Another advantage of the treatment and / or repair method according to the invention is that if, due to predetermined measured values at z.
  • X-ray measurements or internal resistance change measurements is found that Elektrodenmaschine, sections, edges or the like are solubilized individually or in combination, no curing, but a slow charging with a charging current in the range of 100 to 850 mA over a period of 15 to 60 s, preferably can be repeatedly performed, whereby the loosened areas are re-solidified or adhered.
  • the object is achieved in that the electrochemical cells have been treated or repaired according to one of the above-mentioned manufacturing method.
  • the batteries are designed for a temperature range of -60 ° C to + 120 ° C and particularly preferably for a temperature range of -40 ° C to +100 ° C.
  • these batteries preferably have a charge capacity greater than 25 Ah, and more preferably a charge capacity of 500 Ah to 1200 Ah.
  • these batteries are preferably designed for discharge currents of 25 A to 1200 A and more preferably for discharge currents of 100 A to 400 A.
  • a further advantage of this invention is that a maintenance procedure for batteries, e.g. As in the inspection intervals of motor vehicles, can be resolidified or adhered to the loosened electrode parts, sections, edges or the like, so that the life and performance of the batteries can be increased.
  • a maintenance procedure for batteries e.g. As in the inspection intervals of motor vehicles, can be resolidified or adhered to the loosened electrode parts, sections, edges or the like, so that the life and performance of the batteries can be increased.
  • FIG. 1 shows a flow chart for a treatment and / or repair method of an electrochemical cell according to a first exemplary embodiment.
  • step S1 parameter data D Par of an electrochemical cell to be examined is detected.
  • step S2 the parameter data D par .
  • a control unit is transmitted and in a step S3, these parameter data D Par assigned to the electrochemical cell.
  • the control unit it is determined whether these parameter data D Par . a predetermined relationship with respect to predetermined parameter values Wp ar . exhibit. If the parameter data D par . the predetermined relationship with respect to the predetermined parameter values Wp ar.
  • a first predetermined subsequent treatment step S5 in particular a further treatment step for a cell corresponding to the requirements, is determined. Otherwise, if the parameter data D par . the predetermined relationship with respect to the predetermined parameter values W Par . can not be determined, for this electrochemical cell optionally a second predetermined subsequent treatment step S5 ⁇ can be determined in particular an additional repair step for a non-requisite cell.
  • step S1 may include detecting whether there are any regions detached in the cell. If it is detected that there are no detached regions, the cell is subjected to conventional pre-charging and finishing processes. If, on the other hand, it is detected that the cell does not meet the requirements that e.g. B.
  • control unit By means of the control unit it is determined whether these parameter data D Par . predetermined first parameter values W Par. i. If the parameter data Dpar. have the predetermined first parameter values Wp ar 1 , a first predetermined subsequent treatment step S5 is determined for this electrochemical cell. Otherwise, if the parameter data D par . If the predetermined first parameter values W Par. i do not exist, a second predetermined subsequent treatment step S5 'can be determined for this electrochemical cell.
  • FIG. 3 shows a flowchart for a treatment and / or repair method of electrochemical cells according to a third embodiment, whose steps S1 to S3 correspond to those of the first embodiment, to which reference is made to avoid repetition.
  • control unit determines whether these parameter data D Par . exceed predetermined third parameter values W par 3 . If the parameter data Dpar is the predetermined third parameter values Wp ar . 3 , a first predetermined subsequent treatment step S5 is determined for this electrochemical cell. Otherwise, if the parameter data D Par. Does not exceed the predetermined third parameter values W Par .3, a second predetermined subsequent treatment step S5 'can be determined for this electrochemical cell.
  • Fig. 5 shows a flow chart for a treatment and / or repair method of electrochemical cells according to a fifth embodiment, whose steps S1 to S3 correspond to the first embodiment, which is referred to avoid repetition.
  • FIG. 6 shows a flow chart for a treatment and / or repair method of electrochemical cells according to a sixth embodiment, whose steps S1 to S3 correspond to those of the first embodiment, to which reference is made in order to avoid repetition.
  • the step of acquiring parameter data may include a step S1a of detecting a change in the internal resistance of the electrochemical cell after application of a pressure, particularly on side surfaces of the preferably flat-shaped electrochemical cell and / or a step S1b of FIG Detecting an internal resistance of the electrochemical cell and / or a step Sic of detecting an internal pressure of the electrochemical cell and / or a step S1d of detecting a rest voltage of the electrochemical cell and / or a step of detecting a capacity of the electrochemical cell and / or a step S1f of detecting internal structures of the electrochemical cell by means of an X-ray method.
  • the subsequent electrochemical cell treating process may include a step S5a of selecting and performing at least one predetermined charging of the electrochemical cell depending on at least one result of the determining steps S4, S4a, S4b, S4c, S4d, S4e and / or a step S5b of selecting and performing at least one predetermined curing of the electrochemical cell in dependence on at least one result of the determination steps S4, S4a, S4b, S4c, S4d, S4e and / or a step S5c of selecting and performing at least one predetermined rest storage of the electrochemical cell in dependence on at least one result of the determination steps S4, S4a, S4b, S4c, S4d, S4e and / or a step S5d of selecting and performing at least one predetermined forming of the electrochemical cell depending on at least one result of the determining steps S4, S4a, S4b
  • the present invention furthermore relates to a battery which has these electrochemical cells, in particular a battery designed for use in a motor vehicle, which has these electrochemical cells. Moreover, the present invention also relates to a maintenance method for batteries.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

L'invention concerne un procédé de traitement et/ou de réparation de cellules électrochimiques d'une batterie, ledit procédé comprenant les étapes suivantes : (S1) acquisition de données de paramètre (DPar.) d'une cellule électrochimique individuelle à examiner pour définir au moins une étape ultérieure de traitement (S5) de la cellule électrochimique concernée; (S2) transmission des données de paramètre (DPar.) à une unité de commande; (S3) affectation de la cellule électrochimique aux données de paramètre (DPar.), de préférence mémorisation des données de paramètre (DPar.) relatives à la cellule électrochimique; (S4) détermination au moyen de l'unité de commande de l'existence ou non pour la cellule électrochimique qui a été affectée aux données de paramètre d'une relation prédéterminée entre les données de paramètre (DPar.) et des valeurs de paramètre prédéterminées (WPar, Wpar.1, WPar.2, WPar 3, WPar 4, WPar 5), et mise en œuvre d'une première étape de traitement prédéterminée de la cellule électrochimique s'il a été déterminé qu'il existe une relation prédéterminée entre les données de paramètre (DPar.) et les valeurs de paramètre prédéterminées (WPar, Wpar.1, WPar.2, WPar 3, WPar 4, WPar 5), et de préférence mise en œuvre d'une deuxième étape de traitement prédéterminée de la cellule électrochimique s'il a été déterminé qu'il n'existe pas de relation prédéterminée entre les données de paramètre (DPar.) et les valeurs de paramètre prédéterminées (WPar, Wpar.1, WPar.2, WPar 3, WPar 4, WPar 5)
PCT/EP2012/002346 2011-06-22 2012-06-01 Procédé de traitement et/ou de réparation d'une cellule électrochimique et batterie comportant un certain nombre desdites cellules électrochimiques WO2012175169A2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201280030255.1A CN103620858A (zh) 2011-06-22 2012-06-01 处理和/或修理电化学单电池的方法和具有多个这种电化学单电池的电池组
EP12725628.7A EP2724412A2 (fr) 2011-06-22 2012-06-01 Procédé de traitement et/ou de réparation d'une cellule électrochimique et batterie comportant un certain nombre desdites cellules électrochimiques
KR1020137034494A KR20140045446A (ko) 2011-06-22 2012-06-01 전기화학 전지의 처리 및/또는 수리 방법 및 다수의 상기 전기화학 전지를 포함하는 배터리
JP2014516218A JP2014520373A (ja) 2011-06-22 2012-06-01 電気化学セルの処理及び／又は修理方法並びに複数の当該電気化学セルを有するバッテリ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011105424A DE102011105424A1 (de) 2011-06-22 2011-06-22 Verfahren zur Behandlung und/oder Reparatur einer elektrochemischen Zelle und Batterie mit einer Anzahl dieser elektrochemischen Zellen
DE102011105424.7 2011-06-22

Publications (2)

Publication Number Publication Date
WO2012175169A2 true WO2012175169A2 (fr) 2012-12-27
WO2012175169A3 WO2012175169A3 (fr) 2013-05-02

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PCT/EP2012/002346 WO2012175169A2 (fr) 2011-06-22 2012-06-01 Procédé de traitement et/ou de réparation d'une cellule électrochimique et batterie comportant un certain nombre desdites cellules électrochimiques

Country Status (6)

Country Link
EP (1) EP2724412A2 (fr)
JP (1) JP2014520373A (fr)
KR (1) KR20140045446A (fr)
CN (1) CN103620858A (fr)
DE (1) DE102011105424A1 (fr)
WO (1) WO2012175169A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013013764A3 (fr) * 2011-07-22 2013-05-02 Li-Tec Battery Gmbh Procédé et système de fabrication d'une cellule électrochimique et batterie pourvue d'un certain nombre desdites cellules électrochimiques

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CN104953194B (zh) * 2014-03-31 2017-08-22 比亚迪股份有限公司 电池均衡控制装置及具有其的电动车和电池均衡控制方法

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JPS62165850A (ja) * 1986-01-17 1987-07-22 Matsushita Electric Ind Co Ltd 密閉形鉛蓄電池の検査方法
DE3736069A1 (de) * 1987-10-24 1989-05-11 Digatron Ind Elektronik Gmbh Verfahren zum formieren elektrischer batterien
DE3821808C2 (de) * 1988-06-28 1994-06-16 Helmut Haendel & Partner Mesda Verfahren und Vorrichtung zum automatischen Testen von Akkumulatoren einer unterbrechungsfreien Stromversorgungsanlage
JP2967904B2 (ja) * 1994-03-01 1999-10-25 本田技研工業株式会社 電動車両用バッテリのガス排出装置
DE19605481C1 (de) * 1996-02-14 1997-06-12 Siemens Ag Batteriemeßmodul für eine USV-Batterie
US6229285B1 (en) * 1997-10-03 2001-05-08 Georgia Tech Research Corporation Detector for rapid charging and method
US6171723B1 (en) * 1997-10-10 2001-01-09 3M Innovative Properties Company Batteries with porous components
DE102009018079A1 (de) * 2009-04-20 2010-10-21 Li-Tec Battery Gmbh Verfahren zum Betrieb einer Batterie

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013013764A3 (fr) * 2011-07-22 2013-05-02 Li-Tec Battery Gmbh Procédé et système de fabrication d'une cellule électrochimique et batterie pourvue d'un certain nombre desdites cellules électrochimiques

Also Published As

Publication number Publication date
CN103620858A (zh) 2014-03-05
KR20140045446A (ko) 2014-04-16
JP2014520373A (ja) 2014-08-21
DE102011105424A1 (de) 2012-12-27
EP2724412A2 (fr) 2014-04-30
WO2012175169A3 (fr) 2013-05-02

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