Title:
FLEXIBLE SECONDARY BATTERY PACKAGING, AND FLEXIBLE SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/080919
Kind Code:
A1
Abstract:
The purpose of the present invention is to improve the moisture barrier properties and flexibility of a flexible secondary battery, and provided are a flexible secondary battery packaging for encompassing the outer surface of an electrode assembly for the flexible secondary battery, and a flexible secondary battery comprising same, the flexible secondary battery packaging packaging having a pipe shape for encompassing the outer surface of an electrode assembly, and comprising: a moisture barrier film comprising a reduced graphene oxide (rGO) layer, which comprises a plurality of rGO sheets, and a sealant layer located on one side and/or the other side of the rGO; and a polymer heat shrinking tube for encompassing the outermost part of the moisture barrier film, wherein electrostatic interactions occur between adjacent rGO sheets from among the plurality of rGO sheets of the rGO layer.
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Inventors:
KWON YO-HAN (KR)
LIM JOON-WON (KR)
UHM IN-SUNG (KR)
LEE JAE-HYUN (KR)
LIM JOON-WON (KR)
UHM IN-SUNG (KR)
LEE JAE-HYUN (KR)
Application Number:
PCT/KR2019/013847
Publication Date:
April 23, 2020
Filing Date:
October 21, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B32B7/12; B32B27/30; B32B27/32; B32B33/00; H01M10/04; H01M10/058; H01M50/10; H01M50/107; H01M50/141
Foreign References:
| KR20170028111A | 2017-03-13 | |||
| KR101667205B1 | 2016-10-18 | |||
| KR20110115539A | 2011-10-21 | |||
| KR101190219B1 | 2012-10-16 | |||
| KR20180057360A | 2018-05-30 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
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