Case for Secondary Battery, and Secondary Battery, Module, and Device Comprising Same

Provided is a case for a secondary battery accommodating an electrode assembly, including a lower member, an upper member disposed above the lower member, and a sealing part to which the lower member and the upper member are fused to seal the case. The sealing part includes a first sealing part in w...

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Bibliographic Details
Main Authors Kim, Kyu Beom, Yun, Jeong Hyeon, Ryou, Chae Rin, Lee, Ji Hyeon, Im, Jong Chan, Yun, Hyea Won
Format Patent
LanguageEnglish
Published 10.08.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:Provided is a case for a secondary battery accommodating an electrode assembly, including a lower member, an upper member disposed above the lower member, and a sealing part to which the lower member and the upper member are fused to seal the case. The sealing part includes a first sealing part in which an electrode terminal connected to the electrode assembly exists and a second sealing part which is a remaining area except for the first sealing part. The case includes a polymer resin layer formed on an edge of the first sealing part and a reinforcing layer surrounding the polymer resin layer. The case for a secondary battery has improved water resistance, insulation and mechanical properties. Also provided is a secondary battery, a module, and a device including the same.
Bibliography:Application Number: US202218086153