Composite particles for electrochemical device electrode,...

Compositions – Electrically conductive or emissive compositions

Reexamination Certificate

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C429S217000, C429S232000

Reexamination Certificate

active

07972535

ABSTRACT:
Composite particles for an electrochemical device electrode containing an electrode active material, a conductive material, and a binder, wherein primary particles of the composite particles have a volume average particle size of 1 to 500 μm and, when a relative particle amount of the primary particles having a particle size of a fine range near a mode radius R1of the primary particles in the particle size distribution of the primary particles of the composite particles found by the volume standard is ρ1and a relative particle amount of secondary particles having a particle size of the fine range in the particle size distribution of the secondary particles of the composite particles found by the volume standard in measurement at 23° C. is ρ2, ρ2/ρ1is 0.03 to 0.60.

REFERENCES:
patent: 2005/0064096 (2005-03-01), Kurihara et al.
patent: 2005/0158546 (2005-07-01), Shizuka
patent: 2008/0030924 (2008-02-01), Mori et al.
patent: 10-70048 (1998-03-01), None
patent: 10-070048 (1998-03-01), None
patent: 2005-78943 (2005-03-01), None
patent: WO-2005/117043 (2005-12-01), None
patent: WO-2005/124801 (2005-12-01), None

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