Chemistry: electrical current producing apparatus – product – and – Sealed cell having gas prevention or elimation means – Prevention or elimination means is one of the cell...
Patent
1994-03-25
1995-11-14
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Sealed cell having gas prevention or elimation means
Prevention or elimination means is one of the cell...
429101, 420900, 427420, 427427, 296235, H01M 404
Patent
active
054665442
ABSTRACT:
A method for manufacturing a hydrogen-occlusion-alloy electrode is provided, wherein a hydrogen-occlusion-alloy ingot is mechanically crushed, the obtained powder is washed in water to remove dust-size particles from the surface thereof, the washed powder is used in a moisten state after said washing as it is to prepare a slurry of a specified composition, and the slurry is supported on to a current collector. Incorporating this hydrogen-occlusion-alloy electrode in a nickel-hydrogen storage battery as the negative electrode leads to reduced internal pressure of the battery, an extended charge and discharge cycle life, and an improved rapid discharge characteristic.
REFERENCES:
patent: 4636445 (1987-01-01), Yamano et al.
patent: 4719127 (1988-01-01), Greenberg
patent: 4837119 (1989-06-01), Ikoma
Furukawa Denchi Kabushiki Kaisha
Kalafut Stephen
Nuzzolillo M.
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