Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2005/057715
Kind Code:
A1
Abstract:
The present invention aims to provide a lithium secondary battery with excellent characteristics such as energy density and electromotive force, which is also excellent in cycle life and shelf life stability. Disclosed is a secondary battery comprising at least a positive electrode, a negative electrode and an electrolyte solution wherein the negative electrode contains a metal, metalloid or oxide, which adsorbs/desorbs an alkali metal or alkaline earth metal, and a carbon material as the negative electrode active material, and the electrolyte solution contains a non-protic solvent wherein at least an electrolyte is dissolved and a chain disulfone compound.
Inventors:
MIYACHI MARIKO (JP)
UTSUGI KOJI (JP)
KUSACHI YUKI (JP)
YAMAMOTO HIRONORI (JP)
UTSUGI KOJI (JP)
KUSACHI YUKI (JP)
YAMAMOTO HIRONORI (JP)
Application Number:
PCT/JP2004/018715
Publication Date:
June 23, 2005
Filing Date:
December 15, 2004
Export Citation:
Assignee:
NEC CORP (JP)
MIYACHI MARIKO (JP)
UTSUGI KOJI (JP)
KUSACHI YUKI (JP)
YAMAMOTO HIRONORI (JP)
MIYACHI MARIKO (JP)
UTSUGI KOJI (JP)
KUSACHI YUKI (JP)
YAMAMOTO HIRONORI (JP)
International Classes:
H01M4/13; H01M4/131; H01M4/133; H01M4/134; H01M4/1391; H01M4/1393; H01M4/1395; H01M4/38; H01M4/485; H01M4/587; H01M10/05; H01M10/052; H01M10/054; H01M10/0567; H01M10/0568; H01M10/0569; (IPC1-7): H01M10/40; H01M4/02; H01M4/38; H01M4/48; H01M4/58
Foreign References:
| JP2003217654A | 2003-07-31 | |||
| JP2002170564A | 2002-06-14 | |||
| JP2001313071A | 2001-11-09 | |||
| JP2000133304A | 2000-05-12 | |||
| JPH07263378A | 1995-10-13 |
Attorney, Agent or Firm:
Miyazaki, Teruo (16th Kowa Bldg. 9-20, Akasaka 1-chome, Minato-k, Tokyo 52, JP)
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