Alkaline battery

Details Alkaline battery Alkaline battery

2011-04-26

2011-04-26

Crepeau, Jonathan (Department: 1725)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

Reexamination Certificate

active

07931986

ABSTRACT:
An alkaline battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an alkaline electrolyte including potassium hydroxide. The positive electrode active material includes a manganese dioxide powder, and the negative electrode active material includes a zinc powder. In a powder X-ray diffraction pattern of the manganese dioxide powder using CuKα radiation, the diffraction peak attributed to the (110) plane is in the range of 20.5° to 21.7°, and the ratio of the peak intensity of the (130) plane to the peak intensity of the (021) plane: I(130)/I(021) is 0.1 or less.

REFERENCES:
patent: 5283139 (1994-02-01), Newman et al.
patent: 6620550 (2003-09-01), Christian et al.
patent: 2004-186127 (2004-07-01), None
Nagaishi, T. et al., “Electrolysis condition and various characteristics of electrolytic manganese dioxide suitable for high rate discharge performance”, The 44th Battery Symposium Abstract Volume, pp. 656-657, Japan, with English Translation, 2003.

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