Stable covalent cross-linked polyfluoro sulfonated polyimide membranes with high proton conductance and vanadium resistance for application in vanadium redox flow batteries
Jinchao Li, Wenjie Xu, Wenheng Huang, Jun Long, Jun Liu, Huan Luo, Yaping Zhang, Liang‐Yin Chu
Abstract
Novel covalent cross-linked polyfluoro sulfonated polyimide membranes are developed by designing and synthesizing polyfluoro non-sulfonated diamine and adopting hydrophilic polyacrylic acid as the cross-linking agent for application in VRFBs.
Topics & Concepts
PolyimideVanadiumCovalent bondMembraneDiaminePolymer chemistryChemistryRedoxChemical engineeringOrganic chemistryLayer (electronics)BiochemistryEngineeringAdvanced battery technologies researchAdvanced Battery Technologies ResearchSupercapacitor Materials and Fabrication