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Title:
ELECTROLYTIC SOLUTION FOR SECONDARY BATTERY, AND SECONDARY BATTERY USING THE SAME
Document Type and Number:
Japanese Patent JP2005228631
Kind Code:
A
Abstract:

To provide a lithium secondary battery, having the properties of an outstanding energy density, electromotive force, and the like, as well as superior cycle life time and safety.

An electrolytic solution for secondary batteries is used in which a sulfonate compound is contained in an aprotic solvent. Alternatively, an electrolytic solution for secondary batteries is used, in which a sulfonate compound or a vinylene carbonate is further contained in the electrolytic solution.


Inventors:
KUSACHI TAKEKI
UTSUKI KOJI
HASEGAWA ETSUO
Application Number:
JP2004037003A
Publication Date:
August 25, 2005
Filing Date:
February 13, 2004
Export Citation:
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Assignee:
NEC CORP
International Classes:
H01M4/38; H01M4/587; H01M10/05; H01M10/052; H01M10/0525; H01M10/0567; H01M10/0568; H01M10/0569; (IPC1-7): H01M10/40; H01M4/02; H01M4/38; H01M4/58
Domestic Patent References:
JP2000133304A2000-05-12
JP2000077098A2000-03-14
JP2001043895A2001-02-16
JP2003308875A2003-10-31
JP2001160417A2001-06-12
JP2001313071A2001-11-09
JP2003217654A2003-07-31
JP2003331921A2003-11-21
JP2003331920A2003-11-21
JPH10189041A1998-07-21
JP2004022336A2004-01-22
JP2000003725A2000-01-07
JP2000235866A2000-08-29
Attorney, Agent or Firm:
Akio Miyazaki
Shinichi Iwata
Masaaki Ogata
Ishibashi Masayuki



 
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