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Title: Membrane Considerations for the All-Iron Hybrid Flow Battery

Journal Article · · Journal of the Electrochemical Society

The all-iron flow battery is currently being developed for grid scale energy storage. As with all flow batteries, the membrane in these systems must meet stringent demands for ionic conductivity while limiting unwanted reactant (Fe3+) crossover. In addition, for the all-iron chemistry proton transport across the membrane is highly desirable to maintain the pH levels in the negative and positive electrolytes. Two membranes are considered, Nafion and an in-house developed composite based on Daramic (a commercial microporous separator) and poly(vinyl alcohol). Their performance is compared for various metrics specific to the all-iron flow battery chemistry.

Research Organization:
Case Western Reserve Univ., Cleveland, OH (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E); USDOE Office of Electricity (OE)
Grant/Contract Number:
AR0000352; 540358
OSTI ID:
1973283
Alternate ID(s):
OSTI ID: 1970794; OSTI ID: 2418384
Journal Information:
Journal of the Electrochemical Society, Vol. 170, Issue 5; ISSN 0013-4651
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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