Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2005-04-26
2005-04-26
Weiner, Laura (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S231400, C423S448000, C423S460000, C423S44500R
Reexamination Certificate
active
06884545
ABSTRACT:
An anode material for lithium secondary battery, which comprises graphite particles and a crystalline carbon coating layer formed thereon, wherein each graphite particle has a bent laminate structure inside, is produced by grinding a graphite of 5 mm or less in average particle diameter using an impact grinder to produce graphite particles of 100 μm or less in average particle diameter having a bent laminate structure inside each particle and then subjecting the graphite particles to chemical vapor deposition in a fluidized bed type reaction furnace to form a crystalline carbon coating layer on the graphite particles.
REFERENCES:
patent: 6432583 (2002-08-01), Fukuda et al.
patent: 0 742 295 (1996-11-01), None
patent: 5-121066 (1993-05-01), None
patent: 2000-106182 (2000-04-01), None
Fukuda Kenji
Hara Youichiro
Murayama Kohei
Tsunawaki Tadanori
Umeno Tatsuo
Mitsui Mining Co. Ltd.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Weiner Laura
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