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Patent Searching and Data


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)
Application Number:
PCT/KR2018/013377
Publication Date:
May 16, 2019
Filing Date:
November 06, 2018
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/052; H01M10/0569; H01M10/44; H01M50/609
Foreign References:
JP2014127317A2014-07-07
JP2017152259A2017-08-31
KR20170089477A2017-08-04
JP2010129192A2010-06-10
JP2006294282A2006-10-26
KR20170147836A2017-11-08
KR20040014163A2004-02-14
KR20010082058A2001-08-29
KR20010082059A2001-08-29
KR20010082060A2001-08-29
Other References:
See also references of EP 3664194A4
Attorney, Agent or Firm:
KIM, Sung Ho et al. (KR)
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