Non-aqueous electrolyte lithium secondary cell

Details Non-aqueous electrolyte lithium secondary cell Non-aqueous electrolyte lithium secondary cell

1995-02-09

1996-02-27

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 614, H01M 1040

Patent

active

054947626

ABSTRACT:
In order to improve the charge-discharge energy density of a lithium secondary cell with a nonaqueous electrolyte having such a construction that a metallic compound capable of occluding or releasing lithium is used as an electrode active material, lithium or a lithium alloy is used as a negative electrode material and a solution of a lithium salt is used as an electrolyte, the microstructure of the metallic compound is rendered acicular. Further, a lithium-containing metallic compound grown into such a columnar form that has the angle .THETA. to the normal of the surface of the substrate of 0.degree..ltoreq..THETA.<90.degree. is used as the electrode active material.

REFERENCES:
patent: 4056885 (1977-11-01), Rao
patent: 5154990 (1992-10-01), Plichta et al.
patent: 5284721 (1994-02-01), Beard
patent: 5352548 (1994-10-01), Fujimoto et al.
Thackeray, et al: "Lithium Insertion into Manganese Spinels", Mat. Res., vol. 18, pp. 461-472, 1983 Pergamon Press Ltd. (Month not available).

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