Aqueous Zinc Battery Electrolyte Additive

Suppresses HER and Dendrites

Trace ammonium hydroxide additive stabilizes the zinc anode and dramatically improves the reversibility of aqueous zinc-ion batteries.

Chen, Ruwei · Wei, Zhang · Huang, Quanbo · Guan, Chaohong · Zong, Wei · Dai, Yuhang · Zijuan, Du · Zhang, Zhenyu · Li, Jianwei · Guo, Fei · Xuan, Gao · Dong, Haobo · Zhu, Jiexin · Wang, Xiaohui · He, Guanjie

Nano-Micro Letters 2023

Advantages

Electrolyte pH shifts from 4.1 to 5.2, lowering HER potential

In situ formation of uniform ZHS-based solid electrolyte interphase

Improved electrochemical performance in Zn//MnO2 full cells