SE546573C2 - A current collecting plate and a cylindrical secondary cell - Google Patents

A current collecting plate and a cylindrical secondary cell

Info

Publication number
SE546573C2
SE546573C2 SE2250503A SE2250503A SE546573C2 SE 546573 C2 SE546573 C2 SE 546573C2 SE 2250503 A SE2250503 A SE 2250503A SE 2250503 A SE2250503 A SE 2250503A SE 546573 C2 SE546573 C2 SE 546573C2
Authority
SE
Sweden
Prior art keywords
collecting plate
current collecting
electrolyte flow
flow holes
claini
Prior art date
Application number
SE2250503A
Other languages
English (en)
Other versions
SE2250503A1 (en
Inventor
Kenya Shatani
Tetsuya Makino
Original Assignee
Northvolt 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 Northvolt Ab filed Critical Northvolt Ab
Priority to SE2250503A priority Critical patent/SE546573C2/en
Priority to PCT/EP2023/060769 priority patent/WO2023208906A1/en
Publication of SE2250503A1 publication Critical patent/SE2250503A1/en
Publication of SE546573C2 publication Critical patent/SE546573C2/en

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
    • H01M10/0422—Cells or battery with cylindrical casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • 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
    • H01M10/0431—Cells with wound or folded 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/545—Terminals formed by the casing of the 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • 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
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)

Claims (14)

1. En strömuppsamlingsplatta (1) för en cylindrisk sekundärcell (100) innefattande en extern terminal (1 10, 115) och en rullad elektrod (120) innefattande en ledande folie (125, 127), varvid strömuppsamlingsplattan (1) är konfigurerad att anordnas i direkt elektrisk kontakt med den ledande folien (125, 127) och innefattar - elektrolytflödeshål (2) för att tillåta en elektrolyt att flöda genom strömuppsamlingsplattan (1 ), varvid elektrolytflödeshålen (2) är långsträckta med sin respektive långsträckt axel (3) orienterad väsentligen mot strömuppsamlingsplattans centrum (1), varvid elektrolytflödeshålen (2) är anordnade i ett mönster på strömuppsamlingsplattan (1 ), vilket mönster tillåter svetsning av strömuppsamlingsplattan (1 ) till den ledande folien (125, 127) med ett flertal svetslinjer (50) ) anordnade mellan elektrolytflödeshålen (2), varvid svetslinjerna (50) är anordnade för att fästa strömuppsamlingsplattan (1 ) till den ledande folien (125, 127), den totala ytan av elektrolytflödeshålen (2) är 6 till 22 procent av ytan av strömuppsamlingsplattan (1 ), kännetecknad av att elektrolytflödeshålen (2) har den allmänna formen av en triangel eller en trapets.
2. Strömuppsamlingsplatta (1) enligt krav 1, kännetecknad av att svetslinjerna (50) är raka.
3. Strömuppsamlingsplatta (1) enligt krav 2, varvid mönstret tillåter anordnande av svetslinjerna (50) väsentligen mot strömuppsamlingsplattans centrum (1 ).
4. Strömuppsamlingsplatta (1) enligt krav 3, innefattande ett centralt elektrolytflödeshål (4) och elektrolytflödeshål (2) jämnt fördelade runt det centrala elektrolytflödeshålet (4)-
5. Strömuppsamlingsplatta (1) enligt något av föregående krav, varvid ytan av varje elektrolytflödeshål (2) är 2 till 6 procent av ytan av strömuppsamlingsplattan (1 ).
6. Strömuppsamlingsplatta (1) enligt något av föregående krav, varvid den totala ytan av elektrolytflödeshålen (2) år 15 till 20 procent av ytan av strömuppsamlingsplattan (1 ).
7. Strömuppsamlingsplatta (1) enligt något av föregående krav, innefattande åtminstone tre elektrolytflödeshål (2).
8. Strömuppsamlingsplatta (1) enligt något av föregående krav, innefattande åtminstone sex elektrolytflödeshål (2).
9. Strömuppsamlingsplatta (1) enligt något av föregående krav, innefattande sex elektrolytflödeshål (2), varvid den totala ytan av elektrolytflödeshålen år 15 till 22 procent av ytan av den strömuppsamlingsplattan (1 ).
10. Strömuppsamlingsplatta (1) enligt något av föregående krav, innefattande sex elektrolytflödeshål (2) och ett centralt elektrolytflödeshål (4).
11. Strömuppsamlingsplatta (1) enligt krav 10, varvid ytan av de sex elektrolytflödeshålen (2) och det centrala elektrolytflödeshålet (4) år 17 till 28 procent avytan av strömuppsamlingsplattan (1 ).
12. Cylindrisk sekundårcell (100) innefattande en cylindriskt inneslutning (130) innefattande en första ände (130a) och en andra ände (130b) av inneslutningen, - en rullad elektrod (120) innefattande en första och en andra ledande folie (125, 127) innefattande elektrodbelåggningar, varvid den rullade elektroden (120) år anordnad i den cylindriska inneslutningen (130), - en första extern terminal (1 10) anordnad på den första änden (130a) av inneslutningen och elektriskt ansluten till den första ledande folien (125), - en andra extern terminal (115) anordnad på den första höljesånden (130a) och elektriskt ansluten till den andra ledande folien (127) via den cylindriska inneslutningen (130), och - en strömuppsamlingsplatta (1) enligt något av föregående krav.
13. Cylindrisk sekundärcell (100) enligt krav 12, varvid den första externa terminalen (110) är en nit.
14. Cylindrisk sekundärcell (100) enligt krav 12 eller 13, varvid den andra externa terminalen (115) är bildad av den första änden (130a) av den cylindriska inneslutningen (130).
SE2250503A 2022-04-26 2022-04-26 A current collecting plate and a cylindrical secondary cell SE546573C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE2250503A SE546573C2 (en) 2022-04-26 2022-04-26 A current collecting plate and a cylindrical secondary cell
PCT/EP2023/060769 WO2023208906A1 (en) 2022-04-26 2023-04-25 A current collecting plate and a cylindrical secondary cell with such a current collecting plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2250503A SE546573C2 (en) 2022-04-26 2022-04-26 A current collecting plate and a cylindrical secondary cell

Publications (2)

Publication Number Publication Date
SE2250503A1 SE2250503A1 (en) 2023-09-18
SE546573C2 true SE546573C2 (en) 2024-12-03

Family

ID=86331725

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2250503A SE546573C2 (en) 2022-04-26 2022-04-26 A current collecting plate and a cylindrical secondary cell

Country Status (2)

Country Link
SE (1) SE546573C2 (sv)
WO (1) WO2023208906A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE2430136A1 (en) * 2024-03-20 2025-09-21 Northvolt Ab An annular current collecting part for a cylindrical secondary cell

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002298906A (ja) * 2001-03-29 2002-10-11 Toshiba Battery Co Ltd ニッケル水素二次電池
US20050238951A1 (en) * 2004-04-27 2005-10-27 Seok-Yoon Yoo Secondary battery
KR20060130529A (ko) * 2006-10-30 2006-12-19 삼성에스디아이 주식회사 이차 전지
US20070298317A1 (en) * 2006-05-09 2007-12-27 Ralph Brodd Secondary electrochemical cell with increased current collecting efficiency
EP2061106A1 (en) * 2007-11-13 2009-05-20 Hitachi Vehicle Energy, Ltd. Lithium ion secondary battery
WO2014068870A1 (ja) * 2012-10-30 2014-05-08 三洋電機株式会社 円筒形蓄電池及び蓄電池モジュール

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2905525B1 (fr) * 2006-09-05 2008-10-31 Accumulateurs Fixes Dispositif de raccordement electrique pour borne de sortie d'un accumulateur de courant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002298906A (ja) * 2001-03-29 2002-10-11 Toshiba Battery Co Ltd ニッケル水素二次電池
US20050238951A1 (en) * 2004-04-27 2005-10-27 Seok-Yoon Yoo Secondary battery
US20070298317A1 (en) * 2006-05-09 2007-12-27 Ralph Brodd Secondary electrochemical cell with increased current collecting efficiency
KR20060130529A (ko) * 2006-10-30 2006-12-19 삼성에스디아이 주식회사 이차 전지
EP2061106A1 (en) * 2007-11-13 2009-05-20 Hitachi Vehicle Energy, Ltd. Lithium ion secondary battery
WO2014068870A1 (ja) * 2012-10-30 2014-05-08 三洋電機株式会社 円筒形蓄電池及び蓄電池モジュール

Also Published As

Publication number Publication date
WO2023208906A1 (en) 2023-11-02
SE2250503A1 (en) 2023-09-18

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