Composite for electrode active material and secondary...

Details Composite for electrode active material and secondary... Composite for electrode active material and secondary...

2010-05-04

2011-11-15

Kopec, Mark (Department: 1761)

Compositions

Electrically conductive or emissive compositions

Metal compound containing

C252S514000, C252S516000, C429S218100

Reexamination Certificate

active

08057710

ABSTRACT:
Disclosed are a composite which can be used as an electrode active material for a secondary battery, and the secondary battery comprising the same. The composite includes: a first material selected from the group consisting of metals and metalloids capable of being reversibly alloyed with lithium; a second material selected from the group consisting of metals incapable of being alloyed with lithium, compounds containing the metals, and compounds containing metals or metalloids capable of being irreversibly alloyed with lithium; and a third material which is at least one kind of metal having a higher electrical conductivity than the second material, wherein a content of the third material ranges from 10 to 10,000 ppm based on the total weight of the composite.

REFERENCES:
patent: 6824921 (2004-11-01), Sato et al.
patent: 7169328 (2007-01-01), Miller et al.
patent: 7378041 (2008-05-01), Asao et al.
patent: 7435509 (2008-10-01), Thackeray et al.
patent: 2005/0042128 (2005-02-01), Matsubara et al.
patent: 2009/0199779 (2009-08-01), Parks

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