Battery Case For Secondary Battery And Method For Manufacturing Gas Discharge Part

A battery case for a secondary battery according to an embodiment of the present invention for achieving the object can include a cup part provided with an accommodation space configured to accommodate an electrode assembly formed by stacking an electrode and a separator; a sealing part extending ou...

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Bibliographic Details
Main Authors Choi, Yong Su, Kim, NaYoon, Hwang, Soo Ji, Kim, Sang Hun, Yu, Hyung Kyun
Format Patent
LanguageEnglish
Published 26.09.2024
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A battery case for a secondary battery according to an embodiment of the present invention for achieving the object can include a cup part provided with an accommodation space configured to accommodate an electrode assembly formed by stacking an electrode and a separator; a sealing part extending outward from the cup part; and a gas discharge part which is attached from the inside to a hole formed by perforating at least one of the cup part or the sealing part and through which a gas passes. The gas discharge part can include a gas discharge layer through which the gas passes; and an outer functional layer which is formed on an outer surface of the gas discharge layer and has hydrophobicity.
Bibliography:Application Number: US202418678601