Rechargeable galvanic cell and electrolyte therefor-II
AssigneeUnion Carbide Corporation
InventorTien Shuey Lee
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Abstract
A rechargeable galvanic cell having a zinc anode and a zinc-containing electrolyte which comprises an aqueous alkaline or aqueous acidic medium containing dissolved zinc ions and a quaternary ammonium compound for suppressing zinc dendrite formation during the charging cycle.
Claims13
A rechargeable galvanic cell including a zinc anode, a cathode, and an electrolyte, wherein the electrolyte comprises an aqueous solution containing soluble zinc and a quaternary ammonium compound in an amount sufficient to suppress formation of dendrites on said zinc anode during charging of the cell, said amount being a concentration of said quaternary ammonium compound in said electrolyte within the range of from about 5 .times. 10.sup.-.sup.4 molar to about 5 .times. 10.sup.-.sup.1 molar.
A galvanic cell comprising an anode, a cathode, and an electrolyte wherein the electrolyte comprises an aqueous solution containing soluble zinc and a quaternary ammonium compound, said concentration of the quaternary ammonium compound in said electrolyte being within the range of from about 5 .times. 10.sup.-.sup.4 molar to about 5 .times. 10.sup.-.sup.1 molar.
Dependencies are inferred from the claim text.