Metal treatment – Process of modifying or maintaining internal physical... – Treating loose metal powder – particle or flake
Patent
1997-10-15
1999-08-03
Wyszomierski, George
Metal treatment
Process of modifying or maintaining internal physical...
Treating loose metal powder, particle or flake
148253, 420900, 429 59, H01M 404
Patent
active
059320346
ABSTRACT:
A method of producing a hydrogen absorbing alloy powder, which comprises a step of treating a pulverized hydrogen absorbing alloy with a solution comprising a condensed phosphoric acid having 2 to 20 phosphorus atoms, phytic acid or a mixture thereof; and a negative electrode using a hydrogen absorbing alloy powder produced by the aforesaid method, which can ensure high initial activity and high initial capacity in the nickel-hydrogen secondary battery provided therewith.
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Ishii Masatoshi
Kitamura Hajime
Kuribayashi Yukihiro
Miyamoto Hiroyuki
Uchida Masanobu
Shin-Etsu Chemical Co. , Ltd.
Wyszomierski George
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