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
1992-02-06
1993-02-09
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, H01M 1034
Patent
active
051852217
ABSTRACT:
A metal hydride negative electrode plate for use in an alkaline electrochemical cell is disclosed including a conductive substrate carrier, a layer of electrochemically active hydrogen storage alloy material capable of reversibly storing hydrogen attached to the carrier, and the presence of a layer of carbon particles affixed to the outer surface of the active material layer. The carbon particle layer is present as a uniform distribution on the surface of the active material layer and prevents substantial oxidation of the active hydrogen storage alloy material during charge and overcharge of an alkaline cell incorporating the carbon coated metal hydride negative electrode of the invention.
REFERENCES:
patent: 4888256 (1989-12-01), Zuckerbrod
patent: 5043234 (1991-08-01), Tomantschger et al.
patent: 5053292 (1991-10-01), Haseby et al.
Austin S. G.
Castleman, Jr. C. H.
Gates Energy Products, Inc.
Isaas J. L.
Kalafut Stephen
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