Chemistry: electrical current producing apparatus – product – and – Fluid active material or two-fluid electrolyte combination... – Active material in molten state
Patent
1977-03-22
1978-04-11
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Fluid active material or two-fluid electrolyte combination...
Active material in molten state
429191, 429218, 429245, H01M 1036
Patent
active
040840425
ABSTRACT:
An improved secondary battery or cell of the type having: (A) one or more anodic reaction zones; (B) one or more cathodic reaction zones (C) a cation-permeable barrier to mass liquid transfer interposed between and in contact with said anodic and cathodic reaction zones; and (D) an electrode which is disposed within said cathodic reaction zone. The improvement comprises employing an electrode, at least a portion of which consists essentially of a porous metal substrate which (i) is coated, at least in part, with an oxide of a metal selected from the group consisting of: (a) metals of Groups I, II and III of the Periodic Table of elements, (b) Transition Series metals, and (c) tin, lead, antimony and bismuth to a thickness which is greater than about 500 angstroms, but which results in said electrode portion having a resistivity of less than about 4 ohm-cm.sup.2, (ii) does not fill the entire volume of said cathodic reaction zone, and (iii) is, at least in part, adjacent to and contiguous with said cation-permeable barrier.
REFERENCES:
patent: 3811943 (1974-05-01), Minck et al.
patent: 3841912 (1974-10-01), Kagawa et al.
patent: 3980496 (1976-09-01), Ludwig et al.
patent: 4024320 (1977-05-01), Gibson et al.
Ford Motor Company
May Roger L.
Skapars Anthony
Zerschling Keith L.
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