SE548024C2 - Secondary cell - Google Patents

Secondary cell

Info

Publication number
SE548024C2
SE548024C2 SE2330598A SE2330598A SE548024C2 SE 548024 C2 SE548024 C2 SE 548024C2 SE 2330598 A SE2330598 A SE 2330598A SE 2330598 A SE2330598 A SE 2330598A SE 548024 C2 SE548024 C2 SE 548024C2
Authority
SE
Sweden
Prior art keywords
secondary cell
terminal
current collector
cell
terminal part
Prior art date
Application number
SE2330598A
Other languages
English (en)
Other versions
SE2330598A1 (en
Inventor
Michael Shaughnessy
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 SE2330598A priority Critical patent/SE548024C2/en
Priority to PCT/EP2024/087540 priority patent/WO2025132882A1/en
Publication of SE2330598A1 publication Critical patent/SE2330598A1/en
Publication of SE548024C2 publication Critical patent/SE548024C2/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
    • 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
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/152—Lids or covers characterised by their shape for cells 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/342—Non-re-sealable arrangements
    • H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
    • 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
    • H01M50/358—External gas exhaust passages located on the battery cover or case
    • 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
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • 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
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/578—Devices or arrangements for the interruption of current in response to pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Claims (14)

1. En sekundärcell (100) innefattande:
ett hölje (102);
en elektrodenhet (104) anordnad i höljet (102);
en strömuppsamlarplatta (106) direkt ansluten till en elektrod (105) i elektrodenheten;
en lockstruktur (108) innefattande en lockplatta (110) och en terminaldel (112), varvid en ytdel av terminaldelen är konfigurerad för anslutning till en extern last; kännetecknad av att:
terminaldelen (112) är försedd med åtminstone en brytbar del (124) utanför ytdelen konfigurerad för anslutning till den externa lasten; och
terminaldelen (112) är direkt ansluten till strömuppsamlarplattan (106).
2. Sekundärcellen (100) enligt krav 1, varvid den åtminstone en brytbara delen (124) är rotationssymmetrisk runt ytdelen.
3. Sekundärcellen (100) enligt något av kraven 1-2, varvid den åtminstone ena brytbara delen (124) är en skåra.
4. Sekundärcellen (100) enligt något av kraven 1-3, varvid den åtminstone ena brytbara delen (124) är ringformad eller cirkulär till formen.
5. Sekundärcellen enligt något av kraven 1-3, varvid ett flertal brytbara delar (124) är rotationssymmetriskt anordnade runt ytdelen.
6. Sekundärcellen (100) enligt något av kraven 1-5, varvid ytdelen av terminaldelen (112) är upphöjd i förhållande till lockplattan (110).
7. Sekundärcellen (100) enligt krav 6, varvid den brytbara delen (124) är belägen proximalt en upphöjd kant (126) hos terminaldelen (112).
8. Sekundärcellen (100) enligt något av kraven 6 eller 7, varvid den brytbara delen (124) är belägen mellan 65-95% av det radiella avståndet från mitten av terminaldelen (112) till den upphöjda kanten (126) hos terminaldelen (112).
9. Sekundärcellen (100) enligt något av kraven 1-8, varvid diametern av terminaldelen (112) är mellan 50-75% av diametern av lockplattan (110).
10. Sekundärcellen (100) enligt något av kraven 1-9, varvid strömuppsamlarplattan (106) innefattar ett utsprång (116) mot lockstrukturen (108), och terminaldelen (112) innefattar ett motsvarande urtag (114).
11. Sekundärcellen (100) enligt krav 10, varvid strömuppsamlarplattan (106) och terminaldelen (112) är elektriskt anslutna vid gränssnittet mellan urtaget (114) och utsprånget (116).
12. Sekundärcellen (100) enligt något av kraven 1-11, varvid höljet (102) är en cylindrisk burk.
I3. Ett energilagringssystem innefattande sekundärcellen enligt något av kraven 1-12.
14. Ett fordon innefattande sekundärcellen enligt något av kraven 1-12.
SE2330598A 2023-12-21 2023-12-21 Secondary cell SE548024C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE2330598A SE548024C2 (en) 2023-12-21 2023-12-21 Secondary cell
PCT/EP2024/087540 WO2025132882A1 (en) 2023-12-21 2024-12-19 Secondary cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2330598A SE548024C2 (en) 2023-12-21 2023-12-21 Secondary cell

Publications (2)

Publication Number Publication Date
SE2330598A1 SE2330598A1 (en) 2025-06-22
SE548024C2 true SE548024C2 (en) 2026-01-13

Family

ID=94238246

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2330598A SE548024C2 (en) 2023-12-21 2023-12-21 Secondary cell

Country Status (2)

Country Link
SE (1) SE548024C2 (sv)
WO (1) WO2025132882A1 (sv)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140038005A1 (en) * 2011-04-28 2014-02-06 Sanyo Electric Co., Ltd. Sealed cell and method for manufacturing same
WO2021106729A1 (ja) * 2019-11-29 2021-06-03 三洋電機株式会社 密閉電池
WO2023075523A1 (ko) * 2021-10-29 2023-05-04 주식회사 엘지에너지솔루션 원통형 배터리 셀, 이를 포함하는 배터리 및 자동차 및 집전판
SE2251009A1 (en) * 2022-08-31 2023-09-18 Northvolt Ab Cylindrical secondary cell lid comprising a vent feature
SE2250716A1 (en) * 2022-06-14 2023-12-15 Northvolt Ab A cylindrical secondary cell

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015146078A1 (ja) * 2014-03-28 2015-10-01 三洋電機株式会社 円筒形密閉電池及び電池パック
KR102601042B1 (ko) * 2021-09-10 2023-11-13 삼성에스디아이 주식회사 원통형 이차전지
ES3064353T3 (en) * 2021-09-30 2026-04-24 Contemporary Amperex Technology Hong Kong Ltd Battery cell and method and system for manufacturing same, and battery and electric device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140038005A1 (en) * 2011-04-28 2014-02-06 Sanyo Electric Co., Ltd. Sealed cell and method for manufacturing same
WO2021106729A1 (ja) * 2019-11-29 2021-06-03 三洋電機株式会社 密閉電池
WO2023075523A1 (ko) * 2021-10-29 2023-05-04 주식회사 엘지에너지솔루션 원통형 배터리 셀, 이를 포함하는 배터리 및 자동차 및 집전판
SE2250716A1 (en) * 2022-06-14 2023-12-15 Northvolt Ab A cylindrical secondary cell
SE2251009A1 (en) * 2022-08-31 2023-09-18 Northvolt Ab Cylindrical secondary cell lid comprising a vent feature

Also Published As

Publication number Publication date
SE2330598A1 (en) 2025-06-22
WO2025132882A1 (en) 2025-06-26

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