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Lithium battery electrodes with ultra-thin alumina coatings

United States Patent

November 24, 2015
View the Complete Patent at the US Patent & Trademark Office
Electrodes for lithium batteries are coated via an atomic layer deposition process. The coatings can be applied to the assembled electrodes, or in some cases to particles of electrode material prior to assembling the particles into an electrode. The coatings can be as thin as 2 .ANG.ngstroms thick. The coating provides for a stable electrode. Batteries containing the electrodes tend to exhibit high cycling capacities.
Se-Hee; Lee (Louisville, CO), George; Steven M. (Boulder, CO), Cavanagh; Andrew S. (Boulder, CO), Yoon Seok; Jung (Seoul, KR), Dillon; Anne C. (Boulder, CO)
13/ 159,352
June 13, 2011
STATEMENT OF GOVERNMENT INTEREST This invention was made with government support under DE-FG02-08ER86337, awarded by the U.S. Department of Energy. The government has certain rights in the invention.