Cathode active materials, methods of making same and electrochem

Details Cathode active materials, methods of making same and electrochem Cathode active materials, methods of making same and electrochem

1988-07-11

1990-09-25

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

423 49, 4231795, 423605, 423641, H01M 450, C01G 4500, C01D 1500

Patent

active

049592823

ABSTRACT:
Cathode-active material for electrochemial cells is prepared by reacting gamma phase MnO.sub.2 with Li. The molar ratio of Li to MnO.sub.2 is about 0.33 to about 0.43.

REFERENCES:
patent: 4312930 (1982-01-01), Hunter
patent: 4379817 (1983-04-01), Kozawa
patent: 4399202 (1983-08-01), Ikeda et al.
patent: 4465747 (1984-08-01), Evans
Dampier, "The Cathodic Behavior of CuS, MoO.sub.3, and MnO.sub.2 in Lithium Cells", J. Electrochem. Soc., vol. 121, No. 5, pp. 656-660 (1974).
Acta Chemica Sinica, vol. 39, No. 8, pp. 711-716 (3/1988).
Kozawa, "On an Ion-Exchange Property of Manganese Dioxide", J. Electrochem Soc., vol. 106, pp. 552-556 (1959).

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