Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2006-12-12
2006-12-12
Weiner, Laura (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S231400, C429S218100, C429S220000, C429S221000, C429S223000, C429S232000, C252S182100
Reexamination Certificate
active
07147970
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.
REFERENCES:
patent: 6030726 (2000-02-01), Takeuchi et al.
patent: 1186353 (1998-07-01), None
patent: 10-308207 (1998-11-01), None
patent: 11-054155 (1999-02-01), None
patent: 2000-090926 (2000-03-01), None
Hoshi Akio
Ishikawa Minoru
Morinishi Shuji
Shimizu Kazuhiko
Sonobe Naohiro
Kureha Corporation
Weiner Laura
Wenderoth , Lind & Ponack, L.L.P.
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