EP0871982A1 - Method of providing an internal electrical connection in a sealed battery cell - Google Patents

Method of providing an internal electrical connection in a sealed battery cell

Info

Publication number
EP0871982A1
EP0871982A1 EP96939405A EP96939405A EP0871982A1 EP 0871982 A1 EP0871982 A1 EP 0871982A1 EP 96939405 A EP96939405 A EP 96939405A EP 96939405 A EP96939405 A EP 96939405A EP 0871982 A1 EP0871982 A1 EP 0871982A1
Authority
EP
European Patent Office
Prior art keywords
battery
electrode
battery cell
welding
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Withdrawn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
EP96939405A
Other languages
German (de)
English (en)
French (fr)
Inventor
Nils-Erik BÄRRING
Per- Ke Ohlsson
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.)
Ni-Me Hydrid AB
Original Assignee
Ni-Me Hydrid AB
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 Ni-Me Hydrid AB filed Critical Ni-Me Hydrid AB
Publication of EP0871982A1 publication Critical patent/EP0871982A1/en
Withdrawn legal-status Critical Current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
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Primary Cells (AREA)
EP96939405A 1995-11-14 1996-11-12 Method of providing an internal electrical connection in a sealed battery cell Withdrawn EP0871982A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9504022A SE9504022L (sv) 1995-11-14 1995-11-14 Sätt att hos en sluten battericell åstadkomma inre elektrisk anslutning
SE9504022 1995-11-14
PCT/SE1996/001453 WO1997018594A1 (en) 1995-11-14 1996-11-12 Method of providing an internal electrical connection in a sealed battery cell

Publications (1)

Publication Number Publication Date
EP0871982A1 true EP0871982A1 (en) 1998-10-21

Family

ID=20400191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96939405A Withdrawn EP0871982A1 (en) 1995-11-14 1996-11-12 Method of providing an internal electrical connection in a sealed battery cell

Country Status (4)

Country Link
EP (1) EP0871982A1 (sv)
AU (1) AU7659596A (sv)
SE (1) SE9504022L (sv)
WO (1) WO1997018594A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6214490B1 (en) * 1998-12-17 2001-04-10 Eveready Battery Company, Inc. Foam collector for electrochemical cells
JP4592845B2 (ja) 1999-09-21 2010-12-08 パナソニック株式会社 電池
US6746494B2 (en) 1999-12-14 2004-06-08 Matsushita Electric Industrial Co., Ltd. Battery manufacturing method and apparatus
JP5132269B2 (ja) 2007-11-13 2013-01-30 日立ビークルエナジー株式会社 リチウムイオン二次電池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH600584A5 (sv) * 1975-10-17 1978-06-30 Accumulateurs Fixes
US4902589A (en) * 1988-06-08 1990-02-20 Moli Energy Limited Electrochemical cells, electrodes and methods of manufacture
US5106707A (en) * 1989-07-20 1992-04-21 Gates Energy Products, Inc. Rechargeable nickel electrode containing electrochemical cell

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9718594A1 *

Also Published As

Publication number Publication date
SE9504022L (sv) 1997-05-15
SE9504022D0 (sv) 1995-11-14
WO1997018594A1 (en) 1997-05-22
AU7659596A (en) 1997-06-05

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19980612

AK Designated contracting states

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Designated state(s): DE ES FR GB IT NL

17Q First examination report despatched

Effective date: 19991103

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20000314