Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1984-12-28
1986-06-03
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
420513, H01M 442
Patent
active
045929742
ABSTRACT:
Novel active materials for negative poles in alkaline dry cells, and method of preparing the same are disclosed. Said materials and method do not employ harmful Hg. In place of Hg, an alloy containing at least three elements selected from Bi, Pb, In, Cd, and Ga is used to have a zinc dust alloyed at its outer surfaces with said alloy elements which are afforded with a high hydrogen overvoltage effective to retard the generation of hydrogen due to self erosion of the zinc dust in an alkaline solution of the dry cells.
REFERENCES:
patent: 4084047 (1978-04-01), Himy et al.
patent: 4224391 (1980-09-01), Eisenberg
patent: 4327157 (1982-04-01), Himy et al.
patent: 4328297 (1982-05-01), Bilhorn
patent: 4473625 (1984-09-01), Watakabe et al.
Himy, Substitutes for Mercury in Alkaline Zinc Batteries II, Proceedings-Power Sources Symposium, vol. 28, 1978.
Ishibashi Yukio
Ooyama Shigeru
Takeda Ryuzo
Dowa Mining Co. Ltd.
Skapars Anthony
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