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Patent Searching and Data


Title:
SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND PRESSING BLOCK FOR MANUFACTURING SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/045447
Kind Code:
A1
Abstract:
The present invention relates to a secondary battery, a manufacturing method therefor, and a pressing block for manufacturing a secondary battery. A secondary battery manufacturing method according to the present invention comprises: a forming step of forming a pouch sheet having a reception part formed therein to receive an electrode assembly; a folding step of receiving the electrode assembly in the reception part and folding the pouch sheet with reference to a folding part such that the reception part is isolated from the outside, thereby forming a battery case; and an anti-wrinkle step of forming an anti-wrinkle bending part on the outer peripheral part of the folded pouch sheet in order to prevent a wrinkle from appearing on the outer peripheral part.

Inventors:
PARK SUNG CHUL (KR)
KIM SANG WOOK (KR)
LEE DAE WON (KR)
PARK DONG HYEUK (KR)
Application Number:
PCT/KR2018/009988
Publication Date:
March 07, 2019
Filing Date:
August 29, 2018
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M2/02; B29C53/06; B29D99/00; H01M10/04
Foreign References:
KR20150096325A2015-08-24
JP2016009677A2016-01-18
KR101192619B12012-10-18
KR20160032906A2016-03-25
KR20140013266A2014-02-05
Other References:
See also references of EP 3537497A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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