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Patent Searching and Data


Title:
POUCH-TYPE BATTERY CASE AND POUCH-TYPE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/038545
Kind Code:
A1
Abstract:
A pouch-type battery case according to an embodiment of the present invention for solving the problem is a pouch-type battery case that accommodates therein an electrode assembly in which an electrode and a separator are stacked, and comprises: a first cup part and a second cup part, which are arranged side by side in a pouch film and recessed; and a bridge which is formed between the first cup part and the second cup part and has a constant width and height. The first cup part includes: a first outer wall formed facing away from the bridge; a second outer wall formed facing the bridge; and a first bottom portion connecting the first outer wall and the second outer wall. The second cup part includes: a third outer wall formed facing the bridge; a fourth outer wall formed facing away from the bridge; and a second bottom portion connecting the third outer wall and the fourth outer wall, wherein the fourth outer wall is higher than the first outer wall.

Inventors:
YUN NAN JI (KR)
NA HYUN JUNG (KR)
YANG SEUNG HEE (KR)
PARK JIN SEO (KR)
Application Number:
PCT/IB2020/059961
Publication Date:
March 04, 2021
Filing Date:
October 23, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M50/10
Foreign References:
KR20190093045A2019-08-08
KR101446150B12014-10-01
KR20170022156A2017-03-02
KR20190090153A2019-08-01
US20060269840A12006-11-30
KR20170088024A2017-08-01
Other References:
See also references of EP 3993143A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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