Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 9, Issue 7, Pages 2319-2325Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ee01371f
Keywords
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Funding
- China Natural Science Foundation [21476224, 51361135701]
- Outstanding Young Scientist Foundation
- Chinese Academy of Sciences (CAS)
- Science and Technology Service Network Initiative [KFJ-EW-STS-108]
- National Youth Top-notch Talent Program
- KU Leuven [OT/11/061, IDO 12/006]
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A simple and effective solvent treatment method was developed to prepare porous membranes with a tunable morphology for vanadium flow battery applications. The solvent treatment method can effectively create poly(ether sulfone) (PES) membranes with a well-controllable pore size and pore size distribution. An impressive vanadium flow battery (VFB) performance with a coulombic efficiency of over 99% and an energy efficiency of over 90% was obtained, which are the highest values ever reported for porous uncharged membranes. The concept provides an entirely novel, simple and cost-effective way to fabricate high-performance porous membranes for VFB applications.
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