Pouch film, Pouch cell and Battery System

KR103031200B1Active Publication Date: 2026-10-13SK ON CO LTD
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Patent Information

Application Number
KR1020220044519
Authority / Receiving Office
KR · KR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-04-11
Publication Date
2026-10-13
Estimated Expiration
2042-04-11

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Abstract

A pouch film according to one embodiment of the present invention may include an outer layer comprising an intermediate layer formed of metal, an upper layer laminated on top of the intermediate layer, and a lower layer laminated on bottom of the intermediate layer, and a gas permeable layer laminated at the bottom of the outer layer, wherein a void of a predetermined size is formed inside so that only gas can selectively pass through. Through this configuration, gas generated from an electrode assembly can pass through the gas permeable layer of the pouch film.
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Citation Information

Patent Citations

  • Electrical device

    JP2015219984A

  • Secondary battery module

    KR1020170025700A

  • Secondary battery and manufacturing method thereof

    KR1020190022196A

  • Pouch for secondary battery

    KR1020220033945A