Sealed, alkaline-zinc storage battery

Details Sealed, alkaline-zinc storage battery Sealed, alkaline-zinc storage battery

H - Electricity

01

M

H01M 10/30 (2006.01) H01M 4/32 (2006.01) H01M 4/42 (2006.01) H01M 6/04 (2006.01) H01M 6/08 (2006.01)

Patent

CA 2274285

A sealed alkaline-zinc storage battery is disclosed which includes a battery can, a hollow positive electrode disposed within the battery can for electrical contact therewith and containing nickel hydroxide as a positive active material, a negative electrode disposed inwardly of the positive electrode and containing zinc as a negative active material, a separator disposed between the positive and negative electrodes, a negative current collector disposed for insertion into the negative electrode, and an alkaline electrolyte filled in the battery can for impregnation into the positive electrode, negative electrode and separator. The positive electrode, negative electrode, separator, negative current collector and electrolyte account for at least 75 % of an internal volume of the battery can. The alkaline electrolyte is in the 30 - 45 mass % concentration range and has a total water content in the range of 0.5 - 0.9 g for each theoretical capacity of the negative electrode.

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