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HIGH PERFORMANCE REDOX FLOW BATTERY STACK

United States Patent Application

20170288243
A1
View the Complete Application at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A redox flow battery stack cell frame comprising a support frame and a monolithic bipolar plate integrated within the support frame is disclosed. The bipolar plate comprises a plurality of interdigitated flow channels on at least one surface. The support frame comprises an inlet manifold formed into a facing surface of the first side of the frame, the inlet manifold comprising fluid inlet distribution channels in a serpentine arrangement, each fluid inlet distribution channel aligned with a single inlet flow channel of the bipolar plate; and an outlet manifold formed into the facing surface of the opposing side of the frame, the outlet manifold comprising fluid outlet distribution channels in a serpentine arrangement, each fluid outlet distribution channel aligned with a single outlet flow channel of the bipolar plate. Redox flow battery stack cells and stacks comprising the stack cell frame are also disclosed.
Thomsen, Edwin C. (Pasco, WA), Reed, David M. (Richland, WA), Koeppel, Brian J. (Richland, WA), Recknagle, Kurtis P. (West Richland, WA), Viswanathan, Vilayanur V. (Richland, WA), Crawford, Alasdair J. (Richland, WA), Nie, Zimin (Richland, WA), Wang, Wei (Kennewick, WA), Sprenkle, Vincent L. (Richland, WA), Li, Bin (Richland, WA)
Battelle Memorial Institute
15/ 473,401
March 29, 2017
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT [0002] This invention was made with Government support under Contract DE-AC05-76RL01830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.