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High-Energy-Density, Nonaqueous, Redox Flow Batteries Having Iodine-based Species

United States Patent Application

20150349369
A1
View the Complete Application at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Nonaqueous redox flow batteries (RFBs) can utilize a metal and a cation of the metal (M.sup.n+) as an active redox couple for a first electrode and electrolyte, respectively, in a first half-cell. The RFBs can also utilize a second electrolyte having I-based species. The I-based species can be selected from the group consisting of I.sup.- anions, I.sub.2, anions of I.sub.x (x.gtoreq.3), or combinations thereof. Two different ones of the I-based species compose a second redox active couple in the second half cell.
Li, Bin (Richland, WA), Wei, Xiaoliang (Richland, WA), Nie, Zimin (Richland, WA), Wang, Wei (Kennewick, WA), Liu, Jun (Richland, WA), Sprenkle, Vincent L. (Richland, WA)
BATTELLE MEMORIAL INSTITUTE (Richland WA)
14/ 294,391
June 3, 2014
STATEMENT REGARDING FDERALLY SONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with Government support under Contract DE-AC0576RL01830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.