Title:
SECONDARY CELL
Document Type and Number:
WIPO Patent Application WO/2002/069417
Kind Code:
A1
Abstract:
A non-aqueous electrolyte secondary cell having a mixture of lithium manganate and lithium nickelate as a positive electrode active material, characterized in that it contains at least one element selected from among Bi, Pb, Sb and Sn in the positive electrode thereof. The secondary cell not only has high capacity and is excellent in safety, but also is excellent in high temperature cycle characteristics.
Inventors:
WATANABE MIKIO (JP)
NUMATA TATSUJI (JP)
KUMEUCHI TOMOKAZU (JP)
NUMATA TATSUJI (JP)
KUMEUCHI TOMOKAZU (JP)
Application Number:
PCT/JP2002/001329
Publication Date:
September 06, 2002
Filing Date:
February 15, 2002
Export Citation:
Assignee:
NEC CORP (JP)
WATANABE MIKIO (JP)
NUMATA TATSUJI (JP)
KUMEUCHI TOMOKAZU (JP)
WATANABE MIKIO (JP)
NUMATA TATSUJI (JP)
KUMEUCHI TOMOKAZU (JP)
International Classes:
H01M4/131; H01M4/36; H01M4/505; H01M4/525; H01M4/48; H01M4/56; H01M4/62; H01M10/05; H01M10/0525; (IPC1-7): H01M4/02; H01M4/62; H01M4/58; H01M10/40
Foreign References:
| JPH11297362A | 1999-10-29 | |||
| JPH0845498A | 1996-02-16 | |||
| JPH0513107A | 1993-01-22 | |||
| JPH10302767A | 1998-11-13 | |||
| JPH10241670A | 1998-09-11 | |||
| JPH08279357A | 1996-10-22 | |||
| JPH1171115A | 1999-03-16 | |||
| JPH1116566A | 1999-01-22 | |||
| JPH07153495A | 1995-06-16 | |||
| JPH10125327A | 1998-05-15 | |||
| JPH10106541A | 1998-04-24 |
Other References:
See also references of EP 1383183A4
Attorney, Agent or Firm:
Inagaki, Kiyoshi c/o Fusoh, Patent Firm (Rindo Building 5F 37, kanda-Higashimatsushita-ch, Chiyoda-ku Tokyo, JP)
Download PDF:
Previous Patent: FUEL CELL PLATE WITH VARIABLE THICKNESS SEALING BEADS
Next Patent: CURING OF POSITIVE PLATES
Next Patent: CURING OF POSITIVE PLATES