Sealed nickel-cadmium battery

Details Sealed nickel-cadmium battery Sealed nickel-cadmium battery

H - Electricity

01

M

319/90

H01M 4/04 (2006.01) H01M 4/24 (2006.01) H01M 4/38 (2006.01) H01M 10/02 (2006.01) H01M 10/34 (2006.01) H01M 10/52 (2006.01) H01M 10/36 (2006.01)

Patent

CA 1258486

Abstract of the Disclosure Overcharge protection, and especially the chargeability of a sealed Ni/Cd battery with high currents (up to 1 CA) is improved by rolling a carbon-containing powdered material into the surface of the negative electrode, which material catalyzes the reduction of oxygen. Wetting of the electrode with a "Tylose" dispersion prior to application of the powder (by powdering, vibration or in an agitator) improves the adhesion of the powder. The cadmium electrode thus prepared combines in itself the functions of a negative principal electrode and of an auxiliary oxygen electrode.

490565

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