Realizing an anolyte utilization rate of 99% in low-cost zinc-based flow batteries by rejuvenating dead zinc
Shengnan Wang, Tianyu Li, Chenguang Yuan, Jiaxiong Zhu, Pei Li, Shaoce Zhang, Zhiquan Wei, Yiqiao Wang, Xianfeng Li, Chunyi Zhi
Abstract
The electrochemical oxidation of dead zinc by Bi 2 O 3 effectively converts the exfoliated zinc into Zn(OH) 4 2− back to the anolyte, thereby extending the cycle life of alkaline zinc–iron flow batteries with anolyte utilization rate up to 99%.
Topics & Concepts
ZincElectrochemistryVolumetric flow rateChemistryMetallurgyElectrodeMaterials sciencePhysicsQuantum mechanicsPhysical chemistryAdvanced battery technologies researchElectrocatalysts for Energy ConversionAdvanced Battery Materials and Technologies