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

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

2006-12-12

2006-12-12

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S231950, C429S218100, C252S182100, C252S518100

Reexamination Certificate

active

07147969

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:
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patent: 6165642 (2000-12-01), Kawakami et al.
patent: 6528033 (2003-03-01), Barker et al.
patent: 6632566 (2003-10-01), Yamada et al.
patent: 6645452 (2003-11-01), Barker et al.
patent: 9-171827 (1997-06-01), None
Padhi et al., “Phospho-Olivines as Positive-Electrode Materials for Rechargeable Lithium Batteries,” J. Electrochemical Society, 1997, pp. 1188-1194, vol. 144.

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