Lithium-manganese dioxide cell

Details Lithium-manganese dioxide cell Lithium-manganese dioxide cell

1985-02-26

1986-04-29

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

2521821, 423605, H01M 450

Patent

active

045857180

ABSTRACT:
A lithium-manganese dioxide cell comprising a cathode composed of manganese dioxide, an anode composed of metal lithium and an electrolyte interposed therebetween. The manganese dioxide having an X-ray diffraction peak in the vicinity of a diffraction crystal lattice distance d=3.60 .ANG. analyzed after discharging in a cell.
The manganese dioxide may be prepared by the steps of adding nitric acid to electrolytic manganese (EMD), chemical manganese dioxide (CMD), a product obtained by heat-treatment of EMD or CMD, a product obtained by thermal decomposition of EMD or CMD, or a product by thermal decomposition of manganese nitrate, and heat-treating the resulting mixture.

REFERENCES:
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patent: 4133856 (1979-01-01), Ikeda et al.
patent: 4221853 (1980-09-01), Tye et al.
patent: 4277360 (1981-07-01), Mellors et al.
patent: 4297231 (1981-10-01), Kahara et al.
patent: 4312930 (1982-01-01), Hunter
patent: 4405699 (1983-09-01), Kruger

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