Cerium Mediated Recovery of MnO₂ for Enhanced Zinc-Manganese Redox Flow Battery Stability

Puntos clave

• The research aims to enhance the stability and performance of zinc-manganese redox flow batteries by addressing the challenges of MnO₂ reversibility.
• Utilized cerium as a mediator to suppress the Mn3+ disproportionation during manganese redox reactions.
• Implemented Fe catalyst in a dual membrane system to prevent cross-contamination.
• Evaluated the coulomb efficiency and cycle stability of cerium-enhanced batteries.
• Achieved over 95% coulomb efficiency in cerium-added zinc-manganese redox flow batteries.
• Demonstrated excellent cycle stability with over 380 cycles.
• Showed significant improvements in MnO₂ reversibility.

Resumen