Title:
LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/091453
Kind Code:
A1
Abstract:
The present invention relates to a lithium secondary battery comprising a positive electrode, a negative electrode, and an electrolyte, wherein: the negative electrode includes a first protective layer formed on a negative electrode current collector, a second protective layer formed on the first protective layer, and third protective layers formed inside the second protective layer and on one surface thereof; and lithium ions are moved from the positive electrode by means of charging to form a lithium metal between a negative electrode current collector and the first protective layer inside the negative electrode.
Inventors:
PARK EUNKYUNG (KR)
JANG MINCHUL (KR)
JUNG BORA (KR)
SON BYOUNGKUK (KR)
JANG MINCHUL (KR)
JUNG BORA (KR)
SON BYOUNGKUK (KR)
Application Number:
PCT/KR2019/014582
Publication Date:
May 07, 2020
Filing Date:
October 31, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/13; H01M4/04; H01M4/66; H01M10/052; H01M10/44
Domestic Patent References:
| WO2018191025A1 | 2018-10-18 |
Foreign References:
| KR20180007798A | 2018-01-24 | |||
| KR20180010423A | 2018-01-31 | |||
| KR20050041661A | 2005-05-04 | |||
| KR20140082074A | 2014-07-02 | |||
| KR20180131662A | 2018-12-11 | |||
| KR20190137138A | 2019-12-10 | |||
| KR20160052323A | 2016-05-12 |
Other References:
See also references of EP 3761405A4
Attorney, Agent or Firm:
KIM, Sung Ho (KR)
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