Title:
SECONDARY BATTERY HAVING IMPROVED LIFESPAN BY USING ELECTROLYTE STORAGE MEMBER
Document Type and Number:
WIPO Patent Application WO/2018/124616
Kind Code:
A1
Abstract:
A battery cell comprises: an electrode assembly comprising a cathode, an anode, and a separation membrane interposed between the cathode and the anode; and a battery case of a laminate sheet including a receiving part in which the electrode assembly is embedded, wherein the receiving part has a structure in which the laminate sheet is indented at a depth corresponding to the height of the electrode assembly, and at least one electrolyte storage part capable of additionally having an electrolyte embedded therein is formed, in a structure of communicating with the receiving part, on at least one side portion among side portions of the receiving part facing side surfaces of the electrode assembly.
Inventors:
JEONG YI-HEON (KR)
PARK CHAN-KI (KR)
PARK CHAN-KI (KR)
Application Number:
PCT/KR2017/015170
Publication Date:
July 05, 2018
Filing Date:
December 21, 2017
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/42; B32B38/12; H01M10/04; H01M10/0525; H01M50/673
Foreign References:
| KR20130134929A | 2013-12-10 | |||
| KR20080017264A | 2008-02-26 | |||
| KR20140019933A | 2014-02-18 | |||
| KR20160111614A | 2016-09-27 | |||
| KR20160133135A | 2016-11-22 |
Attorney, Agent or Firm:
IPUS PATENT & LAW FIRM (KR)
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