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US 8,771,883 B2Granted
Alkaline battery
AssigneePanasonic Corporation
InventorsHarunari Shimamura, Koshi Takamura, Nobuharu Koshiba
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Abstract
An alkaline battery of this invention includes: a negative electrode including a negative electrode mixture that contains a zinc alloy as an active material, the zinc alloy containing at least aluminum; an alkaline electrolyte; and a positive electrode. The alkaline electrolyte includes an aqueous KOH solution and LiOH and an aluminum compound that are dissolved in the aqueous KOH solution. The alkaline battery has excellent high-rate discharge characteristics.
Claims2
An alkaline battery comprising:
- a negative electrode including a negative electrode mixture that contains a zinc alloy as an active material, said zinc alloy containing at least aluminum;
- an alkaline electrolyte;
- and
- a positive electrode, wherein said alkaline electrolyte comprises an aqueous KOH solution and LiOH and aluminum hydroxide that are dissolved in said aqueous KOH solution, wherein a portion of the alkaline electrolyte is contained in the negative electrode mixture,
- wherein the amounts of the LiOH and the aluminum hydroxide contained in the portion of the alkaline electrolyte in said negative electrode mixture are 0.1 to 2 wt % and 0.001 to 0.2 wt % of the negative electrode mixture, respectively;
- and
- wherein the positive electrode is an air electrode.
4 more elements
Dependencies are inferred from the claim text.