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Patent Searching and Data


Title:
LITHIUM SECONDARY BATTERY CASE FOR SUPPRESSING DEFORMATION OF ELECTRODE ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2021/080269
Kind Code:
A1
Abstract:
The present invention relates to a lithium secondary battery case composed of laminate sheet including an outer layer/barrier layer/inner layer structure, the case comprising: a first area which is an area in which gas discharge is easier or expansion is relatively better; and a second area which is the remaining area that excludes the first area, wherein the laminate sheet that forms the first area does not include a barrier layer or includes a barrier layer having a slit.

Inventors:
YU SUNG HOON (KR)
Application Number:
PCT/KR2020/014247
Publication Date:
April 29, 2021
Filing Date:
October 19, 2020
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M50/30; B32B15/085; B32B15/20; H01M10/04; H01M10/058; H01M50/10
Foreign References:
KR20190055594A2019-05-23
KR20160084133A2016-07-13
KR20180072934A2018-07-02
KR20140017908A2014-02-12
KR20060103696A2006-10-04
KR20190132219A2019-11-27
Other References:
See also references of EP 3886242A4
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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