Electrode material for non-aqueous solvent-secondary cell,...

Details Electrode material for non-aqueous solvent-secondary cell,... Electrode material for non-aqueous solvent-secondary cell,...

2007-06-26

2007-06-26

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S232000, C429S218100, C429S220000, C429S221000, C429S223000, C429S219000, C429S225000, C429S231600, C252S182100

Reexamination Certificate

active

11378300

ABSTRACT:
An electrode material comprising a powdery mixture of a metal material (particularly, an intermetallic compound) and a capacitive carbon material each capable of doping and dedoping lithium, and an optionally added fine electroconductive additive, and containing the metal material and the capacitive carbon material in amounts of 5-60 wt. % and 40-95 wt. %, respectively, is used as an active substance for an electrode, particularly a negative electrode, of a non-aqueous solvent secondary cell. As a result, there is provided a non-aqueous solvent secondary cell which has large charge-discharge capacities, a small irreversible capacity determined as a difference between the doping capacity and the de-doping capacity, and also excellent cycle characteristics.

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