Hydrogen-absorbing alloy electrode, alkaline storage...

Details Hydrogen-absorbing alloy electrode, alkaline storage... Hydrogen-absorbing alloy electrode, alkaline storage...

2006-09-26

2011-11-08

Conley, Helen O (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218200, C429S218100

Reexamination Certificate

active

08053114

ABSTRACT:
Low temperature discharge capability and high rate discharge capability are improved in an alkaline storage battery that uses as its negative electrode a hydrogen-absorbing alloy electrode employing hydrogen-absorbing alloy particles containing at least nickel and a rare-earth element. An alkaline storage battery uses as the negative electrode a hydrogen-absorbing alloy electrode employing hydrogen-absorbing alloy particles containing at least nickel and a rare-earth element. The hydrogen-absorbing alloy particles have a surface layer and an interior portion, the surface layer having a nickel content greater than that of the interior portion, and nickel particles having a particle size within a range of from 10 nm to 50 nm are present in the surface layer.

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Office Action dated Jan. 8, 2010, in Chinese Patent Application No. 2006101523327 and an English translation thereof.

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