Title:
METHOD FOR IMPROVING LIFESPAN OF LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2019/093735
Kind Code:
A1
Abstract:
The present invention relates to a method for improving the lifespan of a lithium secondary battery, comprising the steps of: manufacturing a battery by injecting an electrolyte into a battery in which an electrode assembly is embedded; and charging and discharging the manufactured battery, and additionally injecting the electrolyte before a time point of a cycle that is 1/2 the frequency of a charging/discharging cycle, which becomes a discharging capacity of 80% with respect to an initial capacity thereof.
Inventors:
PARK GI SU (KR)
LEE SEONG HO (KR)
JUNG BYOUNGHYO (KR)
LEE HYUNSOO (KR)
YANG DOO KYUNG (KR)
LEE SEONG HO (KR)
JUNG BYOUNGHYO (KR)
LEE HYUNSOO (KR)
YANG DOO KYUNG (KR)
Application Number:
PCT/KR2018/013377
Publication Date:
May 16, 2019
Filing Date:
November 06, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/052; H01M10/0569; H01M10/44; H01M50/609
Foreign References:
JP2014127317A | 2014-07-07 | |||
JP2017152259A | 2017-08-31 | |||
KR20170089477A | 2017-08-04 | |||
JP2010129192A | 2010-06-10 | |||
JP2006294282A | 2006-10-26 | |||
KR20170147836A | 2017-11-08 | |||
KR20040014163A | 2004-02-14 | |||
KR20010082058A | 2001-08-29 | |||
KR20010082059A | 2001-08-29 | |||
KR20010082060A | 2001-08-29 |
Other References:
See also references of EP 3664194A4
Attorney, Agent or Firm:
KIM, Sung Ho et al. (KR)
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