ALKALINE ALUMINUM-AIR BATTERY

摘要

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 alcohols; and mixtures thereof. The battery provides enhanced power activity output over extended periods of time.