Positive electrode material for use in non-aqueous electrolyte b

Details Positive electrode material for use in non-aqueous electrolyte b Positive electrode material for use in non-aqueous electrolyte b

1998-04-14

2000-03-21

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429223, 429224, 429323, 429324, H01M 448, H01M 450, H01M 452

Patent

active

060400900

ABSTRACT:
A non-aqueous electrolyte battery according to the invention includes a positive electrode using a lithium-metal compound oxide as a positive electrode material, a negative electrode and a non-aqueous electrolyte solution, the battery employing a positive electrode material composed of the lithium-metal compound oxide which contains at least Ni, Co and Mn, and has a peak with a full width at half maximum of not greater than 0.22.degree. in a range of 2.theta.=18.71.+-.0.25.degree. as measured by the powder X-ray diffraction analysis using a Cu-K.alpha. X-ray source or employing a positive electrode material composed of a lithium-metal compound oxide which contains at least Ni, Co and Mn, and a non-aqueous electrolyte solution which includes a solvent containing ethylene carbonate and a solute containing at least one type of fluorine-containing compound.

REFERENCES:
patent: 5264201 (1993-11-01), Dahn et al.
patent: 5474752 (1995-12-01), Yamamoto
patent: 5620812 (1997-04-01), Tahara et al.
Patent Abstracts of Japan, vol. 096, No. 006, Jun. 28, 1996 & JP 08-031408, Feb. 2, 1996.

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