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Electrodes for lithium batteries

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A positive electrode for an electrochemical cell including a lithium transition-metal-oxide or lithium-transition metal-oxyfluoride having deposited thereon at least one oxide, oxyhydroxide or hydroxide of zirconium, aluminum, titanium, yttrium, silicon or mixtures thereof, the particles being less than 25 nm in longest dimension, but preferably less than 4 nm. A complete cell as well as a battery incorporating the positive electrode is disclosed as is a method of making the positive electrode, cell and battery.
Johnson, Christopher S. (Naperville, IL), Thackeray, Michael M. (Naperville, IL), Kim, Jeom-Soo (Naperville, IL), Anderson, Marc A. (Madison, WI), Zeltner, Walter A. (Oregon, WI)
The University of Chicago (Chicago IL)
10/ 746,211
December 23, 2003
[0002] 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.