Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/074199
Kind Code:
A1
Abstract:
Various embodiments of the present invention relate to a secondary battery, wherein a technical problem to be solved is to provide a secondary battery capable of maintaining an electrical insulating state between a case (can) and a cap assembly even after a gasket is melted due to short-circuiting and heat generation. To this end, the present invention provides a secondary battery comprising: a cylindrical can; an electrode assembly received, along with an electrolyte, in the cylindrical can; a cap assembly for sealing the cylindrical can; and a gasket interposed between the cylindrical can and the cap assembly, wherein the gasket further includes an insulating member having a melting temperature higher than a melting temperature of the gasket.
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Inventors:
KIM SHIN JUNG (KR)
KIM DAE KYU (KR)
KIM DAE KYU (KR)
Application Number:
PCT/KR2018/008713
Publication Date:
April 18, 2019
Filing Date:
July 31, 2018
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
C25D11/04; H01M50/147; H01M50/186; H01M50/193
Foreign References:
| KR20080049547A | 2008-06-04 | |||
| KR20170012137A | 2017-02-02 | |||
| KR20150050154A | 2015-05-08 | |||
| JP2008204839A | 2008-09-04 | |||
| US20150221902A1 | 2015-08-06 |
Other References:
See also references of EP 3696873A4
Attorney, Agent or Firm:
SUNGAM SUH INTERNATIONAL PATENT & LAW FIRM (KR)
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