Electrode material

Details Electrode material Electrode material

1983-05-31

1985-02-05

Sebastian, Leland A.

Compositions

Compositions containing a single chemical reactant or plural...

429191, 429194, 429218, 429220, H01M 488

Patent

active

044977263

ABSTRACT:
A cathode active material, which is especially useful as the cathode in a lithium high energy density nonaqueous cell operating on the principle of intercalation, has the general formula Li.sub.x M.sub.y M'.sub.z O.sub.2-n F.sub.n where M is selected from the group consisting of metallic ions having a valence of +1 other than lithium and metallic radicals having a valence of +1; M' is selected from the group consisting of Fe, Co and Ni; x is 0.01 to 0.99 and y is 0.99 to 0.01, respectively; z is 0.8 to 1.2; and n is zero to 0.1.

REFERENCES:
patent: 4206276 (1980-06-01), Basu et al.
patent: 4357215 (1982-11-01), Goodenough
patent: 4430315 (1984-02-01), Caldwell
C. Fouassier et al., "On the New Oxygenated Bronzes of the Formula Na.sub.x CoO.sub.2 (x.ltoreq.) . . . Sodium System", J. Solid State Chem., 6, pp. 532, et seq., (1973).
C. Delmas et al., "The Bronzes of Cobalt K.sub.x CoO.sub.2 (x<). The Oxide KCoO.sub.2 ", J. Solid State Chem., 13, pp. 165 et seq., (1975).
C. Fouassier et al., "Structural Evolution and Physical Properties of the Phases A.sub.x MO.sub.2 (A.dbd.Na,K; M.dbd.Cr, Mn, Co)x.ltoreq.1", Mat. Res. Bull., vol. 10, pp. 443 et seq., (1975).
C. Delmas et al., "The Relative Stability of Octahedric . . . of the Form A.sub.x MO.sub.2 ", Mat. Res. Bull., vol. 11, pp. 1483-1488, (1976).
K. Mizushima et al., "Li.sub.x CoO.sub.2 (O<x.ltoreq.1): A New Cathode Material for Batteries of High Energy Density", Mat. Res. Bull., vol. 15, pp. 783-789, (1980).
J. J. Braconnier et al., "Electrochemical Behavior of the Phases of Na.sub.x CoO.sub.2 ", Mat. Res. Bull., vol. 15, pp. 1797-1804, (1980).

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