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Fe-V redox flow batteries

United States Patent

July 8, 2014
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A redox flow battery having a supporting solution that includes Cl.sup.- anions is characterized by an anolyte having V.sup.2+ and V.sup.3+ in the supporting solution, a catholyte having Fe.sup.2+ and Fe.sup.3+ in the supporting solution, and a membrane separating the anolyte and the catholyte. The anolyte and catholyte can have V cations and Fe cations, respectively, or the anolyte and catholyte can each contain both V and Fe cations in a mixture. Furthermore, the supporting solution can contain a mixture of SO.sub.4.sup.2- and Cl.sup.- anions.
Li; Liyu (Richland, WA), Kim; Soowhan (Richland, WA), Yang; Zhenguo (Richland, WA), Wang; Wei (Richland, WA), Zhang; Jianlu (Richland, WA), Chen; Baowei (Richland, WA), Nie; Zimin (Richland, WA), Xia; Guanguang (Pasco, WA)
Battelle Memorial Institute (Richland, WA)
12/ 892,698
September 28, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT 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.