Title:
POSITIVE ELECTRODE FOR ALKALINE STORAGE BATTERY AND ALKALINE STORAGE BATTERY USING SAME
Document Type and Number:
WIPO Patent Application WO/2013/132818
Kind Code:
A1
Abstract:
Provided is a positive electrode for an alkaline storage battery that has a high charging efficiency in a wide temperature range including high temperature. The positive electrode comprises a positive electrode mixture that includes nickel oxide as a positive electrode active material, a first additive, and a second additive that is different from the first additive. The amount of sulfate ion SO4
2- remaining in the nickel oxide is 0.45 wt% or less. The first additive is a compound containing at least one selected from a group consisting of ytterbium, indium, calcium, barium, beryllium, antimony, erbium, thulium, and lutetium. The second additive is a compound containing at least one selected from a group consisting of titanium, vanadium, scandium, niobium, zirconium, and zinc.
Inventors:
HAYASHI KIYOSHI
Application Number:
PCT/JP2013/001305
Publication Date:
September 12, 2013
Filing Date:
March 04, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
H01M4/32; H01M4/62; H01M10/30
Domestic Patent References:
| WO1999043035A1 | 1999-08-26 |
Foreign References:
| JP2003092106A | 2003-03-28 | |||
| JPH11238509A | 1999-08-31 | |||
| JP2002358957A | 2002-12-13 | |||
| JP2003229131A | 2003-08-15 | |||
| JPH10106556A | 1998-04-24 | |||
| JPH10106552A | 1998-04-24 |
Attorney, Agent or Firm:
KAWASAKI, Shinichi et al. (JP)
Shin-ichi Kawasaki (JP)
Shin-ichi Kawasaki (JP)
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