Process for producing beta manganese dioxide

Details Process for producing beta manganese dioxide Process for producing beta manganese dioxide

1988-06-24

1990-05-01

Kalafut, Stephen J.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

429224, C01G 4502, H01M 450

Patent

active

049216899

ABSTRACT:
The present invention relates to an improved process for producing beta manganese dioxide and for producing cathodes from said manganese dioxide. The process comprises heating gamma manganese dioxide at at least 450.degree. C. for up to one hour in order to convert a majority of the gamma manganese dioxide to the beta phase without forming detrimental amounts of lower oxides.

REFERENCES:
patent: 3301634 (1967-01-01), Fuller
patent: 4133856 (1979-01-01), Ikeda et al.
patent: 4405699 (1983-09-01), Kruger
patent: 4662065 (1987-05-01), Marincic et al.

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