Title:
POUCH-TYPE SECONDARY BATTERY COMPRISING ELECTRODE TAB CUTTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/027147
Kind Code:
A1
Abstract:
The present invention relates to a pouch-type secondary battery comprising an electrode tab cutting device, wherein an electrode assembly of a structure, in which a positive electrode, a separation film, and a negative electrode are laminated, is housed within a pouch case, wherein an electrode tab or an electrode lead within the pouch case of the electrode assembly is cut by means of an elastic member which is positioned within the pouch case and is triggered by an increase in the internal pressure of the pouch.
Inventors:
HAN HYUN GYU (KR)
CHOI DAE SIK (KR)
CHOI DAE SIK (KR)
Application Number:
PCT/KR2018/007578
Publication Date:
February 07, 2019
Filing Date:
July 04, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/052; H01M50/105; H01M50/211; H01M50/531
Foreign References:
| KR20140053656A | 2014-05-08 | |||
| JP2011210390A | 2011-10-20 | |||
| KR101500229B1 | 2015-03-06 | |||
| KR101704127B1 | 2017-02-07 | |||
| KR20170018667A | 2017-02-20 | |||
| KR20170097685A | 2017-08-28 | |||
| JP2011210390A | 2011-10-20 | |||
| KR20130089327A | 2013-08-12 | |||
| JP2013145717A | 2013-07-25 |
Other References:
See also references of EP 3570348A4
Attorney, Agent or Firm:
JANG, Nak Yong et al. (KR)
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