Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Reexamination Certificate
2006-01-24
2006-01-24
Silverman, Stanley S. (Department: 1754)
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
C429S231800
Reexamination Certificate
active
06989137
ABSTRACT:
The present invention relates to graphite powder and to a battery using it as a negative electrode material, the powder having a specific surface area of not more than 3 m2/g, an aspect ratio of not more than 6, and a tapping bulk density of not less than 0.8 g/cm3; or a tapping bulk density of not less than 0.8 g/cm3and an oxidation initiation temperature of not less than 600° C.; or a specific surface area of not more than 3 m2/g and a tapping bulk density of not less than 0.8 g/cm3, a specific electrical resistance of the powder not more than 0.06 Ωcm in the specified condition. The battery obtained thus has a large discharge capacity, good cycle property and high charge and discharge efficiency.
REFERENCES:
patent: 5344724 (1994-09-01), Ozaki et al.
patent: 5591545 (1997-01-01), Miyashita et al.
patent: 5591547 (1997-01-01), Yoneda et al.
patent: 5677082 (1997-10-01), Greinke et al.
patent: 5698341 (1997-12-01), Tamaki et al.
patent: 5910383 (1999-06-01), Hase et al.
patent: 0 527 054 (1993-02-01), None
patent: 0 573 266 (1993-12-01), None
patent: 0 848 440 (1998-06-01), None
patent: 6-295725 (1994-10-01), None
patent: 6-295725 (1994-10-01), None
patent: 8-31422 (1996-02-01), None
patent: 9-259886 (1997-10-01), None
patent: 9-306489 (1997-11-01), None
patent: 9-306495 (1997-11-01), None
patent: 10-188959 (1998-07-01), None
International Search Report.
Patent Abstracts of Japan abstract of JP 9-306489 (Nov. 28, 1997).
Patent Abstracts of Japan abstract of JP 10-188959 (Jul. 21, 1998).
Patent Abstracts of Japan abstract of JP 8-031422 (Feb. 2, 1996).
Patent Abstracts of Japan abstract of JP 9-306495 (Nov. 28, 1997).
European Search Report dated Mar. 2, 2005.
Nishimura Kunio
Sotowa Chiaki
Sudoh Akinori
Lish Peter J
Showa Denko K.K.
Silverman Stanley S.
LandOfFree
Carbonaceous material for cell and cell containing the... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Carbonaceous material for cell and cell containing the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Carbonaceous material for cell and cell containing the... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3576669