Divergent Synthesis of Bipolar Membranes Combining Strong Interfacial Adhesion and High-Rate Capability
Source abstract
Abstract
Bipolar membranes are emerging as attractive solid electrolytes for water electrolysis, electrochemical CO 2 reduction, and CO 2 capture by base from electrodialysis. The development of these technologies is currently hampered by the resistance of current commercial materials under reversed bias, as well as interfacial incompatibility between the layers that can lead to delamination. This letter reports a divergent route to a nonfluorinated TiO 2 -catalyzed bipolar membrane, where the interfacial compatibility is governed by constructing the cation/anion exchange layers from the same backbone chemistry. We show that this BPM design concept has the potential to drastically enhance the adhesion strength at the interfacial junction, without compromising rate capability under bipolar membrane water electrolysis conditions.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Fuel Cells and Related Materials · Membrane-based Ion Separation Techniques · Advanced battery technologies research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Energy Conversion and Storage, Technical University of Denmark, Elektrovej, Building 375, 2800 Lyngby, Denmark
Department of Chemistry and Biochemistry and the Oregon Center for Electrochemistry, University of Oregon, Eugene, Oregon 97403, United States
Department of Chemical & Biomolecular Engineering and Department of Chemistry, University of California, Berkeley, California 94720, United States
Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
Funding
Danmarks Frie Forskningsfond · Office of Naval Research Global
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