ArticleACS applied materials & interfaces2025
Polybenzimidazole Membranes Doped with Sulfonic Acid-Containing Covalent Organic Frameworks and Polymers for Enhanced Performance in Vanadium Redox Flow Batteries.
Article in ACS applied materials & interfaces, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Enhanced Fuel Cell Performance with Robust Pyridinium-Derivative-Functionalized SBS Triblock Copolymer Anion-Exchange Membranes.ACS applied materials & interfaces · 2026Article
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Authors and funding
6 authors.
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Abstract
Polybenzimidazole (PBI)-based membranes in vanadium redox flow batteries (VRFBs) achieve high Coulombic efficiency due to their excellent ion selectivity; however, their energy efficiency remains relatively low due to restricted proton transport. Covalent organic framework (COF) and polymer (COP)-based proton-selective membranes have been developed to address the trade-off between proton permeability and selectivity, significantly improving the redox flow battery performance, including all-vanadium systems. These membranes achieve precise proton and vanadium ion separation with an optimized pore size, reducing vanadium ion crossover while maintaining low area resistance through their microporous structure and imine group functionalities. Single electrochemical cells with these membranes demonstrate high Coulombic efficiencies (94.18-99.19%) and energy efficiencies (75.37-88.50%) at current densities of 40-100 mA cm
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