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US 11,892,513 B2Granted
Primary alkaline battery with integrated in-cell resistances
AssigneeDuracell U.S. Operations, Inc.
InventorsMichael Pozin, Brianna Rose Derooy, Nikolai N. Issaev
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Abstract
The invention is directed toward a primary AA alkaline battery. The primary AA alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode includes an electrochemically active anode material. The cathode includes an electrochemically active cathode material. The electrolyte includes potassium hydroxide. The primary AA alkaline battery has an integrated in-cell ionic resistance (Ri) at 22° C. of less than about 39 mΩ. The separator has a porosity of greater than 70%.
Claims17
A primary AA alkaline battery comprising:
- an anode, the anode comprising an electrochemically active anode material;
- a cathode, the cathode comprising an electrochemically active cathode material;
- an electrolyte, the electrolyte comprising a hydroxide;
- a separator between the anode and the cathode;
- and
- an integrated in-cell ionic resistance (Ri) at 22° C. of less than 39 mΩ;
- wherein the electrochemically active cathode material comprises electrolytic manganese dioxide, the electrolytic manganese dioxide having a specific cathode loading from about 2.9 g/cm3 to about 3.45 g/cm3.
4 more elements
Dependencies are inferred from the claim text.