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Title:
アルカリ蓄電池用ニッケル電極活物質、アルカリ蓄電池用ニッケル電極およびアルカリ蓄電池
Document Type and Number:
Japanese Patent JP4432285
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve high rate discharge characteristics of an alkaline storage battery and charge efficiency thereof in the high temperature condition, and to achieve high capacity, miniaturizing the alkaline storage battery. SOLUTION: The nickel electrode active material for an alkaline storage battery contains nickel hydroxide, a cobalt compound having bivalent or more number of oxidization of cobalt, at least one element selected among an element group formed of ytterbium, erbium, ruthenium and thulium, and a rare earth group element compound having a diffraction peak at points satisfying each formula d=0.885±0.008 nm, d=0.838±0.01 nm, and d=0.759±0.007 nm in an X-ray diffraction diagram by Ka beam of cobalt.

Inventors:
First generation Kaori
Mitsuhiro Kodama
Furukawa Kengo
Black Katsuragi Minoru Hara
Shoji Watada
Masahiko Oshiya
Application Number:
JP2001197909A
Publication Date:
March 17, 2010
Filing Date:
June 29, 2001
Export Citation:
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Assignee:
GS Yuasa Corporation
International Classes:
C01G51/00; H01M4/32; H01M4/52; H01M10/30
Domestic Patent References:
JP2001093526A
Attorney, Agent or Firm:
Tsunehiko Ichikawa



 
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