Alkali metal battery

Details Alkali metal battery Alkali metal battery

2007-08-22

2009-10-27

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218100, C429S231950, C429S232000, C252S182100

Reexamination Certificate

active

07608361

ABSTRACT:
A storage battery is provided comprising appositive 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.

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patent: 5641388 (1997-06-01), Kim et al.
International Application No. PCT/US2008/073990Written Opinion of the International Searching Authority and International Search Report mailed Jan. 31, 2009.

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