Zinc electrode for alkaline storage battery
First Claim
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1. A negative zinc electrode for an alkaline storage battery, comprising an electrode using zinc as an active material and a polymer layer coated on said electrode, said polymer layer comprising a polymer having an oxygen permeability constant of not less than 1×
- 10-10 cm3 (STP) cm-1 s-1 cmHg-1.
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Abstract
A negative zinc electrode for an alkaline storage battery capable of suppressing the occurrence of dendrite and shape change is provided. The negative zinc electrode comprises an electrode using zinc as an active material and a polymer layer formed substantially in direct contact with the electrode, the polymer layer comprising a polymer having an oxygen permeability constant of not less than 1×10-10 cm3 (STP) cm-1 s-1 cmHg-1.
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Citations
8 Claims
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1. A negative zinc electrode for an alkaline storage battery, comprising an electrode using zinc as an active material and a polymer layer coated on said electrode, said polymer layer comprising a polymer having an oxygen permeability constant of not less than 1×
- 10-10 cm3 (STP) cm-1 s-1 cmHg-1.
- View Dependent Claims (2, 3, 4, 5, 6, 8)
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7. A method for making a negative zinc electrode for an alkaline storage battery, comprising the steps of forming on a zinc electrode a coating containing at least a polymer precursor which is in the state of a sol and then causing gelation of the polymer precursor sol to form a polymer layer coated on the zinc electrode, said polymer layer having an oxygen permeability constant of not less than 1×
- 10-10 cm3 (STP) cm-1 s-1 cmHg-1.
Specification