期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 38, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202207580
关键词
Energy Storage; Ion-Exchange Membranes; Microporous Polymers; Redox Flow Batteries; Separation Membranes
资金
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [851272, 758370]
- Engineering and Physical Sciences Research Council (EPSRC, UK) [EP/V047078/1]
- EPSRC Centre for Advanced Materials for Integrated Energy Systems (CAM-IES) [EP/P007767/1]
- Energy SuperStore (UK Energy Storage Research Hub)
- Department of the Defense Threat Reduction Agency [HDTRA1-18-1-0054]
- China Scholarships Council/University of Edinburgh
- China Scholarship Council
- Department of Chemical Engineering at Imperial College
- Royal Society of Chemistry Researcher Mobility Grant
- EPSRC ICASE PhD studentship - EPSRC
- Shell
- Royal Society University Research Fellowship
- European Research Council (ERC) [851272] Funding Source: European Research Council (ERC)
Redox flow batteries (RFBs) based on aqueous organic electrolytes are a promising technology for large-scale electrical energy storage. Membrane separators are a key component in RFBs, and the molecular engineering of AO-PIM membranes can optimize membrane ion transport functions and enhance cycling stability when integrated with aqueous organic flow battery chemistries.
Redox flow batteries (RFBs) based on aqueous organic electrolytes are a promising technology for safe and cost-effective large-scale electrical energy storage. Membrane separators are a key component in RFBs, allowing fast conduction of charge-carrier ions but minimizing the cross-over of redox-active species. Here, we report the molecular engineering of amidoxime-functionalized Polymers of Intrinsic Microporosity (AO-PIMs) by tuning their polymer chain topology and pore architecture to optimize membrane ion transport functions. AO-PIM membranes are integrated with three emerging aqueous organic flow battery chemistries, and the synergetic integration of ion-selective membranes with molecular engineered organic molecules in neutral-pH electrolytes leads to significantly enhanced cycling stability.
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