Nonaqueous secondary battery

Details Nonaqueous secondary battery Nonaqueous secondary battery

1997-03-03

1998-08-11

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 429223, H01M 402, H01M 1040

Patent

active

057925747

ABSTRACT:
A nonaqueous secondary battery is provided, which comprises a positive electrode, a negative electrode and a nonaqueous ion conductor, the negative electrode containing a lithium-containing substance or a lithium insertable and releasable substance as a positive electrode active material, the positive electrode containing a lithium nickelate compound as a positive electrode substance, wherein the lithium nickelate compound has a layered rocksalt crystalline structure belonging to Space Group R-3m and the ratio of a 3a- and 3b-site occupation rate of lithium atoms to a 3a- and 3b-site occupation rate of nickel atoms in the crystal lattice thereof is 0.85 to 1.15.

REFERENCES:
patent: 5427875 (1995-06-01), Yamamoto et al.
patent: 5429890 (1995-07-01), Pynenburg et al.
patent: 5486346 (1996-01-01), Fey
patent: 5490320 (1996-02-01), Hasugawa et al.

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