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Lithium-titanium-oxide anodes for lithium batteries

United States Patent

April 24, 2001
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
Innovative lithium-titanium-oxide anodes improve battery safety and performance (IN-98-069)
A spinel-type structure with the general formula Li[Ti.sub.1.67 Li.sub.0.33-y M.sub.y ]O.sub.4, for 0<y.ltoreq.0.33, where M=Mg and/or Al. The structure is usefid as a negative electrode for a non-aqueous electrochemical cell and in a non-aqueous battery comprising an plurality of cells, electrically connected, each cell comprising a negative electrode, an electrolyte and a positive electrode, the negative electrode consisting of the spinel-type structure disclosed.
Vaughey; John T. (Elmhurst, IL), Thackeray; Michael M. (Naperville, IL), Kahaian; Arthur J. (Chicago, IL), Jansen; Andrew N. (Bolingbrook, IL), Chen; Chun-hua (Westmont, IL)
The University of Chicago (Chicago, IL)
09/ 349,819
July 8, 1999
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has rights in this invention pursuant to Contract No. W-31-109-ENG-38 between the U.S. Department of Energy (DOE) and The University of Chicago representing Argonne National Laboratory.