The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2015
Filed:
Oct. 27, 2011
Applicants:
Michael Gilles, Geel, BE;
Kris Driesen, Hasselt, BE;
Stijn Put, Olmen, BE;
Inventors:
Assignee:
Umicore, Brussels, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/06 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 4/583 (2010.01); B22F 1/00 (2006.01); B22F 9/04 (2006.01); C22C 13/00 (2006.01); C22C 19/00 (2006.01); C22C 19/07 (2006.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/583 (2013.01); H01B 1/06 (2013.01); B22F 1/0011 (2013.01); B22F 9/04 (2013.01); C22C 13/00 (2013.01); C22C 19/00 (2013.01); C22C 19/07 (2013.01); H01M 4/134 (2013.01); H01M 4/38 (2013.01); H01M 10/0525 (2013.01); Y02E 60/122 (2013.01);
Abstract
A negative electrode active material for a lithium ion battery having the composition formula SiSnNiTiMC, wherein a, b, c, y, m and z represent atomic % values, wherein M is either one of more of Fe, Cr and Co, and wherein a>0, b>0, z>0, y≧0, 0≦m≦1, c>5, z+0.5*b>a and c+y>0.75*b. The process for preparing the active material comprises the steps of:—providing a mixture of elemental and/or alloyed powders of the elements in the composition SiSnNiTiMC, and—high energy milling under non-oxidizing conditions of the powder mixture.