Alkali metal battery

Details Alkali metal battery Alkali metal battery

H - Electricity

01

M

H01M 10/22 (2006.01)

Patent

CA 2695352

A storage battery is provided comprising a positive electrode of lead, a negative electrode of mercury, and an electrolyte consisting of an aqueous solution of a salt of an alkali metal. Upon charging the battery, lead is converted to lead dioxide and the alkali metal forms the amalgam with the mercury. During discharge, the lead dioxide is reduced to the plumbous state and the alkali metal is oxidized to the positive ion and goes into solution. The mercury is immobilized in one of several alternative ways.

L'invention concerne une batterie de stockage comprenant une électrode positive en plomb, une électrode négative en mercure et un électrolyte consistant en une solution aqueuse d'un sel de métal alcalin. Lors de la charge de la batterie, le plomb est converti en dioxyde de plomb et le métal alcalin forme l'amalgame avec le mercure. Pendant la décharge, le dioxyde de plomb est réduit à l'état de plomb et le métal alcalin est oxydé en ions positifs et entre en solution. Le mercure est immobilisé de l'une des différentes manières alternatives.

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