Positive electrode active material, non-aqueous electrolyte...

Details Positive electrode active material, non-aqueous electrolyte... Positive electrode active material, non-aqueous electrolyte...

2007-05-15

2007-05-15

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231300, C429S221000, C429S223000, C429S224000, C252S182100, C423S594200, C423S594400, C423S594600, C423S599000

Reexamination Certificate

active

11400942

ABSTRACT:
A non-aqueous electrolyte secondary battery employing a positive electrode active material containing a compound represented by the general formula LixMyPO4, where 0<x≦2 and 0.8≦y≦1.2, with M containing a 3d transition metal, where LixMyPO4encompasses that with the grain size not larger than 10 μm. The non-aqueous electrolyte secondary battery has superior cyclic characteristics and a high capacity.

REFERENCES:
patent: 6085015 (2000-07-01), Armand et al.
patent: 6528033 (2003-03-01), Barker et al.
patent: 6632566 (2003-10-01), Yamada et al.

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