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US 4,479,856 AGranted
Zinc dendrite inhibitor
AssigneeMeidensha Electric Mfg. Co., Ltd.
InventorYasuo Ando
Life of this patent
Estimating the term…
Abstract
A dendrite inhibitor includes a quaternary ammonium salt and at least two metal ions selected from the group consisting of lead, tin and cadmium ions, and the inhibitor is used by adding it to an electrolyte for subjecting zinc to electrolysis through an electrochemical reaction.
Claims5
A zinc dendrite inhibitor for addition to a zinc halide-containing electrolyte which deposits zinc on a negative electrode through an electrochemical reaction, said inhibitor comprising:
- a quaternary ammonium salt and at least two metal ions selected from the group consisting of from about 10.sup.-4 to about 10.sup.-3 mole/l of divalent lead ions, from about 10.sup.-4 to about 10.sup.-3 mole/l of divalent tin ions, and less than about 10.sup.-2 mole/l of divalent cadmium ions.
Dependencies are inferred from the claim text.