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Issue 7, 2016
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High-performance porous uncharged membranes for vanadium flow battery applications created by tuning cohesive and swelling forces

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Abstract

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.

Graphical abstract: High-performance porous uncharged membranes for vanadium flow battery applications created by tuning cohesive and swelling forces

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Article information


Submitted
12 May 2016
Accepted
17 Jun 2016
First published
17 Jun 2016

Energy Environ. Sci., 2016,9, 2319-2325
Article type
Communication

High-performance porous uncharged membranes for vanadium flow battery applications created by tuning cohesive and swelling forces

W. Lu, Z. Yuan, Y. Zhao, X. Li, H. Zhang and I. F. J. Vankelecom, Energy Environ. Sci., 2016, 9, 2319
DOI: 10.1039/C6EE01371F

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