Optimization of ion-regulated polybenzimidazole membrane structure for iron–chromium redox flow battery application

Key Points

• Improving polybenzimidazole membrane structure enhances performance in redox flow batteries.
• Membrane optimization led to a notable increase in efficiency, achieving 30% improvement.
• Analysis focused on the interplay of ion regulation and membrane composition.
• These findings highlight the potential to optimize materials for renewable energy storage solutions.