Positive electrode active material for alkaline storage battery

Details Positive electrode active material for alkaline storage battery Positive electrode active material for alkaline storage battery

1998-08-06

2000-12-05

Weiner, Laura

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429224, 423594, 423599, H01M 432, H01M 450

Patent

active

061564567

ABSTRACT:
A positive electrode active material, includes a .beta.-Ni(OH).sub.2 type nickel oxide (including hydroxide) containing Mn in the state of solid solution or coprecipitated state with an average valence of Mn being 3.3 valences or more and preferably with a ratio A2/A1 being 1.25 or less which is a ratio of integrated intensity A2 of a peak present at 2.theta.=18-21.degree. to integrated intensity A1 of a peak present at 2.theta.=37-40.degree. of powder X-ray diffraction using CuK.alpha. ray.

REFERENCES:
patent: 5348822 (1994-09-01), Ovshinsky et al.
Harivel et al. "Structure and Electrochemical Properties of Nickel Hydroxides" Power Source (1966), pp. 239-255.

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