Materials for use as cathodes in lithium electrochemical cells

Details Materials for use as cathodes in lithium electrochemical cells Materials for use as cathodes in lithium electrochemical cells

1993-07-09

1994-12-06

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

423596, 423599, H01M 450

Patent

active

053709497

ABSTRACT:
The invention disclosed relates to a novel compound of molecular formula Li.sub.2 Cr.sub.x Mn.sub.2-x O.sub.4, wherein 0<X<2. This compound may be used as the active cathode material in secondary lithium ion cells. Secondary lithium ion cells including such cathodes are also described.

REFERENCES:
patent: 4125687 (1978-11-01), DiSalvo et al.
patent: 4567031 (1986-01-01), Riley
patent: 5084366 (1992-01-01), Toyoguchi
Hewston et al., "A Survey of First Row Ternary Oxides LiMO.sub.2 (M=Su-Cu)" J. Phys. Chem. Solids vol. 48, No. 2, pp. 97-108 (1987) (Month Unavailable).
Murphy et al., "Ternary LixTiO.sub.2 Phases From Insertion Reactions" Solid State Ionics 9 and 10, 1983, pp. 413-418 (Month Unavailable).
Rossen et al., "Structure and Electrochemistry of LixMnyNi(1-y)O.sub.2 " Solid State Ionics 57 (1992) pp. 311-318 (Month Unavailable).
Remers et al., "Structure and Electrochemistry of Li.sub.x FeyNi(1-y)O.sub.2 " Solid State Ionics 61 (1993) pp. 335-344 (Month Unavailable).
Tarascon et al., "Li Metal-Free Batteries Based on Li.sub.(1+x) M.sub.2 O.sub.4 Cathodes and Carbon Anodes" Journal of the Electrochemical Society, vol. 138, No. 10, Oct. 1991, pp. 2864-2868.
Rossen et al., "Synthesis and Electrochemistry of Spinel LT-LiCoO.sub.2 " Solid State Ionics 62 (1993) pp. 53-60 (Month Unavailable).

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