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Electrode materials and lithium battery systems

United States Patent

7,968,231
June 28, 2011
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A material comprising a lithium titanate comprising a plurality of primary particles and secondary particles, wherein the average primary particle size is about 1 nm to about 500 nm and the average secondary particle size is about 1 .mu.m to about 4 .mu.m. In some embodiments the lithium titanate is carbon-coated. Also provided are methods of preparing lithium titanates, and devices using such materials.
Amine; Khalil (Downers Grove, IL), Belharouak; Ilias (Westmont, IL), Liu; Jun (Naperville, IL)
U Chicago Argonne, LLC (Chicago, IL)
11/ 444,219
20070148545
May 31, 2006
GOVERNMENT INTERESTS This invention was made with Government support under Contract No. W-31-109-ENG-38 awarded by the Department of Energy. The Government has certain rights in this invention.