Cylindrical battery and method for manufacturing cylindrical battery

CN114730975BActive Publication Date: 2025-04-25LG ENERGY SOLUTION LTD
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Patent Information

Application Number
CN202080080781.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2019-12-17
Filing Date
2020-11-19
Publication Date
2025-04-25
Estimated Expiration
2040-11-19

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Abstract

The present invention relates to a cylindrical battery, which includes: two or more positive electrode tabs; and an insulating member formed at a welding portion of the positive electrode tabs. The insulating member includes a heat shrink member and a heat resistant member, and the heat resistant member is formed on at least one surface of the heat shrink member.
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Citation Information

Patent Citations

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    CN1753204A

  • Secondary battery comprising tab protection film

    KR1020130114022A

  • Substrate of electrochemical device with improved gas-out property, manufacturing method thereof and electrochemical device including the same

    KR1020140070936A