Alkaline aluminum-air battery

Details Alkaline aluminum-air battery Alkaline aluminum-air battery

H - Electricity

01

M

H01M 12/06 (2006.01) H01M 12/02 (2006.01) H01M 6/04 (2006.01)

Patent

CA 2344607

An improved aluminum-air diffusion cathode battery having an aluminum or aluminum/alloy anode; an air diffusion cathode; an aqueous electrolyte containing metal cations selected from the group consisting of alkali metal cations; the improvement wherein said electrolyte comprises 15 - 25% W/W sodium hydroxide and an organic dehydrative additive selected from the group consisting of: 1 - 15% w/w of a monosaccharide; 1 - 15% w/w of starch; 0.5 - 5% w/w of polyacrylamide; 1 - 10% w/w C1 - C4 alcohol and mixtures thereof. The battery provides enhanced power activity output over extended periods of time.

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