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BIFUNCTIONAL SEPARATORS FOR LITHIUM-SULFUR BATTERIES

United States Patent Application

20150318532
A1
View the Complete Application at the US Patent & Trademark Office
The present disclosure relates to a lithium-sulfur rechargeable battery containing a lithium-containing anode, a sulfur-containing cathode, and a bifunctional separator having a microporous, conductive layer facing the cathode of the battery. The bifunctional separator can inhibit polysulfide diffusion and improve sulfur cathode material reutilization to improve cell cycling stability and discharge capacity.
Manthiram, Arumugam (Austin, TX), Chung, Sheng-Heng (Austin, TX)
14/ 704,446
May 5, 2015
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was made with government support under Grant no. DE-SC0005397 awarded by the Department of Energy. The government has certain rights in the invention.