journal article·2024-08Open access

A Universal Coulombic Efficiency Compensation Strategy for Zinc‐Based Flow Batteries (Adv. Mater. 33/2024)

Shiqiang Huang, Mengxiao Li, Yuxi Song, Shibo Xi, Chao Wu, Zhi Wei Javier Ang, Qing Wang

Advanced Materials· Volume 36· Issue 33

Abstract

Zinc-Based Flow Batteries In article number 2406366, Qing Wang and co-workers propose a general strategy using oxygen evolution reaction (OER) to compensate the coulombic efficiency loss caused by hydrogen evolution reaction (HER) of zinc-based flow batteries. The OER process can be implemented either directly on the electrode through electrochemical reaction or in an external catalytic reactor column via a redox-mediated process. Such a process effectively mitigates the gradual accumulation of unresponsive redox species by consuming the extra OH− during continuous cycling process and enhances cycling stability.
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Research context

OpenAlex topics: Advanced battery technologies research · Nanomaterials for catalytic reactions · Copper-based nanomaterials and applications

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Affiliations

Department of Materials Science and Engineering National University of Singapore Singapore 117576 Singapore

Institute of Sustainability for Chemicals Energy and Environment (ISCE2) Singapore 627833 Singapore

Centre for Hydrogen Innovations National University of Singapore Singapore 117580 Singapore

National University of Singapore (Suzhou) Research Institute Suzhou Jiangsu 215123 P. R. China

References

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