Method of manufacturing lead acid cell paste having tin compound

Details Method of manufacturing lead acid cell paste having tin compound Method of manufacturing lead acid cell paste having tin compound

1996-09-20

1998-10-13

Maples, John S.

Metal working

Method of mechanical manufacture

Electrical device making

296232, 429228, H01M 614

Patent

active

058206396

ABSTRACT:
An active paste for an lead-acid electrochemical cell which in a preferred embodiment includes tin; a method of manufacturing the same; and an electrochemical cell utilizing the same. The tin may be a tin sulfate, tin oxide, or metallic tin. The active paste sandwiches a primarily lead film which may, but need not, also include tin, to form a positive electrode. One or more positive electrodes are interleafed with a number of negative electrodes, separated by a separator material. The assembly is placed in a container and electrolyte is introduced. In alternate embodiments, the paste may include some combination of antimony, arsenic, germanium, indium, selenium, gallium, tellurium or other semiconductor materials with or without tin compounds.

REFERENCES:
patent: 3050577 (1962-08-01), Harris et al.
patent: 4625395 (1986-12-01), Rowlette
Wei, Guo-Lin and Wang, Jai-Rong, Electrochemical behavior of SnSO.sub.4 in sulfuric acid solution, 25 May 1994, pp. 81-85, Journal of Power Sources.

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