Building Ion Selective Channels through Bulky Camphorsulfonic Acid Side Chains in Sulfonated Polybenzimidazole Membranes for Vanadium Redox Flow Batteries

Key Points

• This research aims to design functional side chains for improved ion selective channels in membranes used in vanadium redox flow batteries.
• Chemical structure design of side chains
• Synthesis of sulfonated polybenzimidazole membranes
• Evaluation of ionic conductivity in developed membranes
• Demonstrated enhanced ion selectivity in membranes
• Improved ionic conductivity in optimized designs
• Increased efficiency of vanadium redox flow batteries
• Potential for better performance in energy storage applications