Spinel compounds as cathodes for lithium materials

Details Spinel compounds as cathodes for lithium materials Spinel compounds as cathodes for lithium materials

1997-08-26

2000-06-06

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

42923195, H01M 404, H01M 408, H01M 412

Patent

active

060716460

ABSTRACT:
The invention relates to a method of preparing spinel structure lithium manganese oxides as cathode for lithium batteries. The spinel compounds are obtained by the reacting of MnO.sub.2 with a particle size of less 10 .mu.m and Li.sub.2 CO.sub.3. The cell containing above cathode material provides improved capacity and good rechargeability. The method described in the present invention is much closer to industrial scale produce.

REFERENCES:
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patent: 5700442 (1997-12-01), Bloch et al.
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patent: 5770018 (1998-06-01), Saidi
patent: 5792442 (1998-08-01), Manev et al.
patent: 5807646 (1998-09-01), Iwata et al.
Thackeray et al., J. Electrochem. Soc., 139, 1992, 363-366, Feb. 15, 1992.

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