This study addresses the enhanced cycling stability of zinc-based flow batteries through a synergistic strategy integrating a vine-derived porous carbon framework(3D VPCF)with nicotinamide(NAM)in alkaline Zn-Fe hybrid...This study addresses the enhanced cycling stability of zinc-based flow batteries through a synergistic strategy integrating a vine-derived porous carbon framework(3D VPCF)with nicotinamide(NAM)in alkaline Zn-Fe hybrid liquid-solid flow batteries.By introducing 0.15 mol/L NAM to suppress zinc dendrite growth and regulate deposition behavior,combined with 0.05 mol/L ZnO additives for optimized nucleation and electrolyte conductivity,we achieved enhanced reversibility of zinc deposition/dissolution and interfacial stability.The system exhibits stable charge/discharge plateaus at 5 mA/cm^(2)(non-normalized to electrode area),demonstrating 99.9%capacity retention over 1000 cycles.This work provides an innovative pathway for developing stable zinc-based energy storage systems.展开更多
基金Project(22275074)supported by the National Natural Science Foundation of China。
文摘This study addresses the enhanced cycling stability of zinc-based flow batteries through a synergistic strategy integrating a vine-derived porous carbon framework(3D VPCF)with nicotinamide(NAM)in alkaline Zn-Fe hybrid liquid-solid flow batteries.By introducing 0.15 mol/L NAM to suppress zinc dendrite growth and regulate deposition behavior,combined with 0.05 mol/L ZnO additives for optimized nucleation and electrolyte conductivity,we achieved enhanced reversibility of zinc deposition/dissolution and interfacial stability.The system exhibits stable charge/discharge plateaus at 5 mA/cm^(2)(non-normalized to electrode area),demonstrating 99.9%capacity retention over 1000 cycles.This work provides an innovative pathway for developing stable zinc-based energy storage systems.
