Positive electrode active substance for lithium cell

Details Positive electrode active substance for lithium cell Positive electrode active substance for lithium cell

2005-06-20

2011-10-04

Apicella, Karie O'Neill (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

Reexamination Certificate

active

08029929

ABSTRACT:
A positive electrode active material for a lithium battery is provided which offers high-temperature storage property and battery properties and comprises manganese dioxide having a crystal structure that exhibits an X-ray diffraction pattern in which peaks having a peak intensity ratio of not less than 0.05 with respect to the peak at 2θ=37.3°±0.5° are present at positions of 2θ=18.2°±0.5°, 19.5°±0.5°, 28.6°±0.5°, 56.6°±0.5°, 59.1°±0.5°, and 65.1°±0.5°, or further at 2θ=22.0°±1.0°, the X-ray diffraction pattern being obtained using a powder X-ray diffraction device (XRD) that uses CuKα1 rays.

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Thackeray, M.M, “Understanding MnO2for Lithium Batteries,”Battery Technology Unit(1991).

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