Electrode material for a lithium secondary battery, lithium...

Details Electrode material for a lithium secondary battery, lithium... Electrode material for a lithium secondary battery, lithium...

2008-12-12

2010-12-14

Weiner, Laura S (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S219000, C429S220000, C429S209000, C252S182100, C427S058000

Reexamination Certificate

active

07851086

ABSTRACT:
Disclosed is an electrode material for a lithium secondary battery, a lithium secondary battery comprising the same, and a method for preparing the electrode material for a lithium secondary battery. The electrode material for a lithium secondary battery includes Si as a principal component, wherein the interplanar spacing of an Si (111) surface is between 3.15 Åand 3.20 Å using X-ray diffraction. This is achieve by first alloying Si with an element selected from the group consisting of Al, B, P, Ge, Sn, Pb, Ni, Co, Mn, Mo, Cr, V, Cu, Fe, Ni, W, Ti, Zn, alkali metals, alkaline earth metals, and combinations thereof, and then eluting X from the resulting alloy.

REFERENCES:
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patent: 7141187 (2006-11-01), Kosuzu et al.
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Patent Abstract of Japan Publication No. 2002-216746, dated Aug. 2, 2002 in the named of Hashimoto Takuya, et al.

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