Non-aqueous electrolyte lithium secondary battery

Details Non-aqueous electrolyte lithium secondary battery Non-aqueous electrolyte lithium secondary battery

1996-05-22

1997-05-20

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 429223, 423594, H01M 452, H01M 1040

Patent

active

056311052

ABSTRACT:
A non-aqueous electrolyte secondary battery having a low manufacturing cost and a high energy density and being excellent in the high rate charge/discharge characteristic and in the characteristics in operation at high temperature provided by an improvement on its positive electrode active material is disclosed. The positive electrode active material comprises a specific compound wherein a part of nickel or lithium in LiNiO.sub.2 is substituted with another element in a specified range. The element for the substitution comprises Mg, Ca, Sr, Ba, Al Cr, B and Co which may be employed solely or in combination.

REFERENCES:
patent: 4770960 (1988-09-01), Nagaura et al.
patent: 5264201 (1993-11-01), Dahn et al.
patent: 5308720 (1994-05-01), Kurokawa et al.
patent: 5494762 (1996-02-01), Isoyama et al.

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