▎ 摘　　要

NOVELTY - Electrolyte additive comprises water-soluble compound containing phosphate. USE - The electrolyte additive used for improving the stability of neutral aqueous rechargeable zinc-manganese battery, large scale energy storage field and subdivision market field. ADVANTAGE - The electrolyte additive: is environmentally friendly, economical and pollution-free; improves the cycle stability of the neutral aqueous rechargeable zinc-manganese battery under the condition of not changing the charge and discharge behavior; can stabilize the electrode structure of the anode which is continuously deposited and dissolved in the charging and discharging process; can induce stable nucleation deposition of basic zinc sulfate (ZSH) and deposition product zinc-manganese dioxide (ZnxMnO2). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for electrolyte for improving stability of neutral water system rechargeable zinc-manganese battery.