Title:
NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2013/168882
Kind Code:
A1
Abstract:
Provided are a non-aqueous electrolyte for a lithium secondary battery that contains an organic solvent, lithium salt that can be ionized, a dinitrile compound that has an ether bond and is expressed by the following formula 1, and an aliphatic dinitrile compound expressed by the following formula 2, and a lithium secondary battery containing same. The secondary battery having the non-aqueous electrolyte is capable of effectively suppressing a bubbling phenomenon which could occur during high-temperature storage and high-temperature charging and discharging, and of increasing charging and discharging life cycles.
Inventors:
SHIM YOU JIN (KR)
OH JAE SEUNG (KR)
HONG YEON SUK (KR)
LEE BYOUNG BAE (KR)
LEE HYO JIN (KR)
OH JAE SEUNG (KR)
HONG YEON SUK (KR)
LEE BYOUNG BAE (KR)
LEE HYO JIN (KR)
Application Number:
PCT/KR2013/000726
Publication Date:
November 14, 2013
Filing Date:
January 30, 2013
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M10/0567; H01M4/505; H01M4/62; H01M10/052
Foreign References:
| KR20090039211A | 2009-04-22 | |||
| KR20120016019A | 2012-02-22 | |||
| US20090047582A1 | 2009-02-19 | |||
| US20110052980A1 | 2011-03-03 | |||
| JP2005267857A | 2005-09-29 |
Other References:
See also references of EP 2683015A4
None
None
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
특허법인 태평양 (KR)
특허법인 태평양 (KR)
Download PDF: