Non-aqueous electrolyte secondary battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode

Reexamination Certificate

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C429S231200, C429S324000

Reexamination Certificate

active

07374842

ABSTRACT:
A non-aqueous electrolyte secondary battery, comprises positive and negative electrode plates, each comprising a current collector and a material mixture layer carried on each face thereof. A total thickness of the positive electrode material mixture layers on both faces of the current collector is 40 μm to 100 μm. The positive electrode plate has an electrode area of 520 cm2to 800 cm2per battery capacity of 1 Ah. The negative electrode material mixture layer comprises a graphitizable carbon material. A wide-range X-ray diffraction pattern of the graphitizable carbon material has a peak PX (101) attributed to a (101) crystal face at about 2θ=44 degrees, and a peak PX (100) attributed to a (100) crystal face at about 2θ=42 degrees. A ratio of an intensity IX (101) of PX (101) to an intensity IX (100) of PX(100) satisfies: 0<IX (101)/IX (100)<1.

REFERENCES:
patent: 2003/0054254 (2003-03-01), Kubo et al.
patent: 6-275321 (1994-09-01), None
patent: 06-275321 (1994-09-01), None
patent: 9-171814 (1997-06-01), None
patent: P2000-200624 (2000-07-01), None
patent: P2000-260479 (2000-09-01), None
patent: P2000-260480 (2000-09-01), None

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