Descriptions (Cathode/Electrolyte/Anode): Manganese- or Vanadium-based/aqueous Zinc sulphate/Metal zinc
Main Features: Low cost, safe, non-toxic material. SE higher than Lead-acid battery
Challenge/Problems: Cathode Structural collapse during charge-discharge cycle (Jahn-Teller effect) , short cycle life; Zinc dendrite
Applications：Securities, low speed vehicle, replacement of Lead-acid batteries
