A research team led by Professor Yi-Chun Lu, Associate Professor, Department of Mechanical and Automation Engineering, Faculty of Engineering at The Chinese University of Hong Kong (CUHK) has successfully developed a novel charge-reinforced ion-selective (CRIS) membrane for sulphur-based redox flow batteries, with 15 consecutive hours of runtime and over 2,000 hours cycling without obvious capacity decay. The new battery has taken a significant step forward in the practical application of redox flow batteries in grid-scale storage for renewable energy, and in its commercialisation, by resolving the problems posed by its poor lifetime and low cost-effectiveness. The breakthrough has been recently published in the world-leading scientific journal Nature Energy.

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