Title:
NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2007/126068
Kind Code:
A1
Abstract:
Disclosed is a nonaqueous electrolyte secondary battery using a negative electrode
active material containing at least one atom selected from Si, Sn and Pb. The
nonaqueous electrolyte secondary battery has high charge capacity and excellent
characteristics, especially excellent discharge capacity retention rate
over a long time. In the nonaqueous electrolyte secondary battery, a nonaqueous
electrolyte solution contains a carbonate containing an unsaturated bond and/or
a halogen atom, and at least one compound selected from compounds (A), (B), (C),
(D) and (E) specified in the description.
Inventors:
FUJII TAKASHI (JP)
SHIMA NORIKO (JP)
OHASHI YOUICHI (JP)
KINOSHITA SHINICHI (JP)
SHIMA NORIKO (JP)
OHASHI YOUICHI (JP)
KINOSHITA SHINICHI (JP)
Application Number:
PCT/JP2007/059207
Publication Date:
November 08, 2007
Filing Date:
April 27, 2007
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
FUJII TAKASHI (JP)
SHIMA NORIKO (JP)
OHASHI YOUICHI (JP)
KINOSHITA SHINICHI (JP)
FUJII TAKASHI (JP)
SHIMA NORIKO (JP)
OHASHI YOUICHI (JP)
KINOSHITA SHINICHI (JP)
International Classes:
H01M4/134; H01M4/40; H01M4/58; H01M10/0568
Foreign References:
| JP2003173819A | 2003-06-20 | |||
| JPH11135148A | 1999-05-21 | |||
| JP2002270230A | 2002-09-20 | |||
| JP2004221085A | 2004-08-05 | |||
| JPH10223257A | 1998-08-21 | |||
| JPH02244565A | 1990-09-28 | |||
| JP2005347240A | 2005-12-15 | |||
| JP2006108100A | 2006-04-20 | |||
| JPH11176470A | 1999-07-02 | |||
| JP2004087284A | 2004-03-18 | |||
| JP2005228565A | 2005-08-25 |
Other References:
See also references of EP 2012386A4
Attorney, Agent or Firm:
SANADA, Tamotsu (10-31 Kichijoji-honcho 1-chom, Musashino-shi Tokyo 04, JP)
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