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Title:
NONAQUEOUS ELECTROLYTE RECHARGEABLE BATTERY AND NONAQUEOUS ELECTROLYTE
Document Type and Number:
Japanese Patent JP2004139963
Kind Code:
A
Abstract:

To provide a nonaqueous electrolyte rechargeable battery with high capacity excelling in discharging property after continuous charging, load property and cycling property and with a small quantity of generated gas and nonaqueous electrolyte used in it.

In the nonaqueous electrolyte rechargeable battery provided with a negative electrode and a positive electrode absorbing and storing or discharging lithium and the electrolyte consisting of nonaqueous solvent and lithium salt, the nonaqueous solvent contains cyclic carbonate ester with carbon-carbon unsaturated bond in its molecule and aromatic compound containing fluoride with ≤9 carbon atoms.


Inventors:
KOTADO MINORU
KONNO ISAO
KINOSHITA SHINICHI
SHIGEMATSU YASUYUKI
Application Number:
JP2003194426A
Publication Date:
May 13, 2004
Filing Date:
July 09, 2003
Export Citation:
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Assignee:
MITSUBISHI CHEM CORP
International Classes:
H01M10/05; H01M4/13; H01M10/052; H01M10/0567; H01M10/0568; H01M10/0569; (IPC1-7): H01M10/40; H01M4/02
Domestic Patent References:
JP2004055253A2004-02-19
JP2002175802A2002-06-21
JPH11242954A1999-09-07
JP2001338684A2001-12-07
JP2001167797A2001-06-22
JP2002033120A2002-01-31
JPH1140193A1999-02-12
JP2002190316A2002-07-05
JPH10112335A1998-04-28
JP2000188128A2000-07-04
JP2001185213A2001-07-06
JP2003163032A2003-06-06
JP2002083629A2002-03-22
JP2002198089A2002-07-12
Foreign References:
WO2001022519A12001-03-29
Attorney, Agent or Firm:
Hasegawa Soji



 
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