EP2883264A1 - Procédé de formation d'une cellule électrochimique, cellule électrochimique et batterie - Google Patents

Procédé de formation d'une cellule électrochimique, cellule électrochimique et batterie

Info

Publication number
EP2883264A1
EP2883264A1 EP13741679.8A EP13741679A EP2883264A1 EP 2883264 A1 EP2883264 A1 EP 2883264A1 EP 13741679 A EP13741679 A EP 13741679A EP 2883264 A1 EP2883264 A1 EP 2883264A1
Authority
EP
European Patent Office
Prior art keywords
forming
contact element
contacting
contact
electrochemical cell
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.)
Withdrawn
Application number
EP13741679.8A
Other languages
German (de)
English (en)
Inventor
Magnus Mickel
Markus Wohnig
Iris Stiebert
Tim Schaefer
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.)
Li Tec Battery GmbH
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
Priority claimed from DE201210015575 external-priority patent/DE102012015575A1/de
Application filed by Li Tec Battery GmbH filed Critical Li Tec Battery GmbH
Publication of EP2883264A1 publication Critical patent/EP2883264A1/fr
Withdrawn legal-status Critical Current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
    • H01M10/04—Construction or manufacture in general
    • H01M10/049—Processes for forming or storing electrodes in the battery container
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • 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
    • H01M10/06—Lead-acid accumulators
    • H01M10/12—Construction or manufacture
    • H01M10/128—Processes for forming or storing electrodes in the battery container
    • 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
    • H01M10/24—Alkaline accumulators
    • H01M10/28—Construction or manufacture
    • H01M10/288—Processes for forming or storing electrodes in the battery container
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49004—Electrical device making including measuring or testing of device or component part
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making

Definitions

  • the invention relates to a method for forming an electrochemical cell for a preferably designed for use in motor vehicles battery and correspondingly formed electrochemical cells and a
  • electrochemical cells It is known in the manufacture of electrochemical cells to improve the intrinsic shadow, to subject the cells of a formation.
  • the formation comprises, preferably multiple charging and discharging of the electrochemical cells.
  • Various methods for the formation of electrochemical cells and correspondingly formed electrochemical cells and batteries with these electrochemical cells are known from the prior art. Especially for applications in motor vehicles, improved methods for forming electrochemical cells are desired.
  • the dependent claims relate to advantageous developments of the invention.
  • This object is achieved in a method for forming a first cell having a first Abieiter and a second Abieiter electrochemical cell for a preferably designed for use in motor vehicles battery by means of a first contact element and a second contact element having forming unit, wherein the first Abieiter a first, detachably formed Form ists. mecanicsabterrorism and the second conductor has a second detachably formed forming contacting portion, characterized in that the method comprises the steps of: a step of pressing the first contact element of the forming unit onto the first forming contacting section of the first conductor, a step of pressing the second contact element of the forming unit to the second forming contacting portion of the second discharger, a step of performing a forming treatment, a step of separating ns of the first forming-contacting portion of the first absorber and a step of
  • An advantage of this embodiment is that the contacting of the forming unit with the electrochemical cell and, consequently, their formation can be improved. Another advantage of this embodiment is that the formation can be carried out accelerated, since - without adversely affecting the final state of the first Abieiters and the final state of the second Abieiters - when forming the Form ists- contacting sections can be optionally more heavily loaded.
  • An electrochemical cell is understood to mean an electrochemical energy store for the present invention, 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 Memories are galvanic cells or fuel cells.
  • the electrochemical cell has at least a first and a second device for storing electrically different charges, which are configured as an electrode arrangement, as well as a means for establishing an electrically operative connection of both said devices, wherein charge carriers can be displaced between these two devices.
  • an electrolyte which acts as an ion conductor.
  • the step of pressing the first contact member is performed such that surface layers of the first formation contacting portion are pierced.
  • the step of pressing the second contact element is performed such that surface layers of the second
  • the first contact element of the forming unit preferably has at least one tip. Further preferred in the
  • the first contact element is preferably designed as a first number of first contact pins, with the first contact element particularly preferably having three first contact pins. According to a further preferred embodiment, only a first contact pin is formed in the first contact element. Further preferred in the method is the second
  • Contact element formed as a second number of second contact pins, wherein more preferably, the second contact element has three second contact pins. According to a further preferred embodiment, only a second contact pin is formed in the second contact element.
  • the first contact pins are preferably mounted individually. Further preferably, in the method, the second contact pins are mounted individually.
  • the first contact element preferably has at its contact end at least one crown having contact points, with the first contact element particularly preferably having three crowns with preferably four contact prongs.
  • the second contact element has on its contacting end at least one contact prongs crown, wherein particularly preferably the second contact element has three crowns with preferably four contact prongs.
  • the method further comprises the following steps: a step of acquiring first parameter data of the first contact of the first contact element of the forming unit with the first forming contact section of the first conductor, a step of supplying the detected first parameter data to a controller and a step of performing a first contacting change in response to the detected first parameter data when the detected first parameter data has a predetermined first threshold.
  • the method further comprises the following steps: a step of acquiring second parameter data of the second contacting of the second contact element of the forming unit with the second one
  • Parameter data of the contacting at least one of the following steps: a step of detecting a first transition resistance of the first contact of the first contact element of the forming unit with the first Form istsAuthtechniksabrough the first Abieiters and / or a step of detecting a first temperature of the first contact of the first contact element of the forming unit with the first forming-contacting portion of the first Abieiters.
  • the step of acquiring second parameter data comprises
  • the step of performing a first contacting change comprises the step of: increasing a first pressure with which the first contact element contacts the first one
  • the step of performing a second contacting change comprises the step of: increasing a second pressure with which the second contact element is pressed against the second forming contacting portion of the second conductor.
  • the step of performing a second contacting change comprises the step of: increasing a second pressure with which the second contact element is pressed against the second forming contacting portion of the second conductor.
  • Forming process comprising the steps of: a step of performing a first forming of the electrochemical cell in a range of 25 to 40% of the rated capacity, a step of performing a second forming of the electrochemical cell in a range of 75 to 90% of the rated capacity and a step of Performing a third forming of the electrochemical cell at 100% of the rated capacity.
  • the first formation-contacting portion is disposed at an outer end of the first Abieiters.
  • the second FormsammlungsAuthtechnik istsabterrorism is disposed at an outer end of the second Abieiters.
  • this object is achieved in a battery with an electrochemical cell, characterized in that the electrochemical cells of the battery has been formed with a method described above.
  • FIG. 2a is a first detail view of the flowchart shown in FIG. 1 with regard to the acquisition of first parameter data
  • FIG. 2b shows a second detailed representation of the flow chart shown in FIG. 1 with regard to the acquisition of second parameter data
  • Fig. 3 is a third detail view of the flowchart shown in Fig. 1 with respect to the execution of a forming treatment according to a preferred embodiment.
  • Fig. 1 shows a flow chart of a method for forming an electrochemical cell according to an embodiment of the present invention.
  • the electrochemical cell has a first conductor having a first forming contacting section and a second conductor having a second forming contacting section.
  • the forming unit has a first contact element for the first Form michs gleich ists- section of the first Abieiters and a second contact element for the second Form ists gleich istsabrough of the second Abieiters.
  • a step S1 a the first contact element of the forming unit is pressed against the first forming contacting section of the first conductor.
  • a step S1 b the second contact element of the forming unit is pressed onto the second Form istsKey istsabterrorism the second Abieiters, wherein the steps S1a and S1 b can be performed simultaneously or in an arbitrary order to each other.
  • first parameter data of the first contacting of the first contact element of the forming unit with the first forming contacting section of the first conductor is detected in a step S2a.
  • the step S2a of acquiring the first parameter data may comprise a step 2a 'of detecting a first transition Resistance of the first contacting of the first contact element of the forming unit with the first Form michsAuthtechniksabterrorism the first Abieiters and / or a step 2a "of detecting a first temperature of the first contact of the first contact element of the forming unit with the first Form michsAuthtechniksabterrorism the first Abieiters.
  • second parameter data of the second contacting of the second contact element of the forming unit with the second forming contacting section of the second conductor can be detected in a step 2b, wherein steps S2a and S2b can be performed simultaneously or in an arbitrary order.
  • the step S2b of acquiring the second parameter data may comprise a step 2b 'of detecting a second transition resistance of the second contacting of the second contact element of the forming unit with the second forming contacting section of the second conductor and / or one step 2b "of detecting a second temperature of the second contacting of the second contact element of the forming unit with the second Form istsAuth istsabrough of the second Abieiters.
  • the detected first parameter data can be fed to a controller in a step S3a and the detected second parameter data can be fed to a controller in a step S3b, the steps S3a and S3b simultaneously or in a freely selectable order can be performed.
  • a change in the first contact can be carried out as a function of the detected first parameter data if the acquired first parameter data is a have the first threshold.
  • a change in the second contact can be carried out as a function of the detected second parameter data if the detected second parameter data have a predetermined second threshold value, wherein the steps S4a and S4b can be performed simultaneously or in an arbitrary order.
  • the step S4a of performing a change of the first contacting a step S4a 'of increasing a first pressure, with the first contact element is pressed onto the first Form istsKey istsabterrorism the first Abieiters have.
  • the step S4b of performing a change of the second contacting may include a step S4b 'of increasing a second pressure with which the second contact member is pressed onto the second forming contacting portion of the second conductor.
  • Fig. 1 shows that in the method of the present invention, a forming treatment of the electrochemical cell is performed in a step S5, and Fig. 3 shows a flow chart of a preferred embodiment for carrying out the forming treatment of electrochemical cells.
  • a step S5a a first formation of the electrochemical cell, preferably in a range of 25 to 40% of the rated capacity is performed, and in a step S5b, a second forming of the electrochemical cell, preferably in a range of 75 to 90% of the rated capacity is performed, and in a step S5c, a third forming of the precursor of the electrochemical cell, preferably to 100% of the rated capacity is performed.
  • the first forming contacting portion is separated in a step S6a, and the second forming contacting portion is formed in a step S6b separated, wherein the steps S6a and S6b can be performed simultaneously or in an arbitrary order arbitrary order.
  • Abieiters Supplying the acquired first parameter data to a controller supplying the acquired second parameter data to a controller

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)
  • Battery Electrode And Active Subsutance (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un procédé de formation d'une cellule électrochimique présentant un premier conducteur de décharge et un second conducteur de décharge pour une batterie destinée de préférence à être utilisée dans des véhicules automobiles, au moyen d'une unité de formation présentant un premier élément de contact et un deuxième élément de contact, le premier conducteur de décharge présentant un premier segment de contact déconnectable et le second conducteur de décharge présentant un second segment de contact déconnectable; le procédé comprenant les étapes suivantes : (S1a) application d'une pression du premier élément de contact de l'unité de formation sur le premier segment de contact du premier conducteur de décharge, (S1b) application d'une pression du deuxième élément de contact de l'unité de formation sur le second segment de contact du second conducteur de décharge, (S5) exécution d'un traitement de formation, (S6a) déconnexion du premier segment de contact de formation du premier conducteur de décharge et (S6b) déconnexion du deuxième segment de contact de formation du deuxième conducteur de décharge.
EP13741679.8A 2012-08-07 2013-07-25 Procédé de formation d'une cellule électrochimique, cellule électrochimique et batterie Withdrawn EP2883264A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261680315P 2012-08-07 2012-08-07
DE201210015575 DE102012015575A1 (de) 2012-08-07 2012-08-07 Verfahren zur Formierung einer elektrochemischen Zelle, elektrochemische Zelle und Batterie
DE102012017829 2012-09-10
PCT/EP2013/002216 WO2014023396A1 (fr) 2012-08-07 2013-07-25 Procédé de formation d'une cellule électrochimique, cellule électrochimique et batterie

Publications (1)

Publication Number Publication Date
EP2883264A1 true EP2883264A1 (fr) 2015-06-17

Family

ID=50067622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13741679.8A Withdrawn EP2883264A1 (fr) 2012-08-07 2013-07-25 Procédé de formation d'une cellule électrochimique, cellule électrochimique et batterie

Country Status (4)

Country Link
US (2) US20150228999A1 (fr)
EP (1) EP2883264A1 (fr)
JP (1) JP2015528626A (fr)
WO (1) WO2014023396A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015205228A1 (de) 2015-03-23 2016-09-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum bestimmen eines referenzenergieprofils und vorrichtung zum formieren einer batterie

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3951070B2 (ja) * 1996-12-26 2007-08-01 ソニー株式会社 バッテリーの充放電検査方法及び充放電用接触ピン装置
JP2000058135A (ja) * 1998-08-10 2000-02-25 Toshiba Battery Co Ltd 薄型二次電池用充放電装置
DE19837449C1 (de) * 1998-08-18 2000-01-05 Cmw Automation Gmbh Vorrichtung zum Formatieren einer Mehrzahl von zu einer Gruppe zusammengefaßten Akkumulatoren
JP2003223934A (ja) * 2002-01-30 2003-08-08 Daikin Ind Ltd 充電方法、蓄電池システム、空気調和システム
JP2009225493A (ja) * 2008-03-13 2009-10-01 Yamaha Motor Electronics Co Ltd バッテリの充電方法及びこれに用いる充電器
US8168319B2 (en) * 2008-10-13 2012-05-01 Apple Inc. Portable computer battery structures
US20100164437A1 (en) * 2008-10-24 2010-07-01 Mckinley Joseph P Battery formation and charging system and method
DE102009005124A1 (de) * 2009-01-19 2010-07-29 Li-Tec Battery Gmbh Elektrochemische Energiespeichervorrichtung
DE102009035466A1 (de) * 2009-07-31 2011-02-03 Daimler Ag Formierung von Einzelzellen

Also Published As

Publication number Publication date
US20140045030A1 (en) 2014-02-13
US20150228999A1 (en) 2015-08-13
WO2014023396A1 (fr) 2014-02-13
JP2015528626A (ja) 2015-09-28

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