Tailoring crystallization zinc hydroxide sulfates growth towards stable zinc deposition chemistry  

作　　者：Kaixin Huang Xianguang Zeng Dan Zhang Yujie Wang Mu Lan Chengyan Wen Yi Guo 

机构地区：[1]College of Materials Science and Engineering,Sichuan University of Science and Engineering,Zigong 643000,China [2]Department of Chemistry,College of Resource and Environment,Baoshan University,Baoshan 678000,China [3]College of Optoelectronic Engineering,Chengdu University of Information Technology,Chengdu 610225,China

出　　处：《Nano Research》2024年第6期5243-5250,共8页纳米研究（英文版）

基　　金：the Material Corrosion and Protection Key Laboratory of Sichuan Province Support Program(No.2023CL02);the Yunnan Fundamental Research Projects(No.202201AU070151);the Innovation Fund of Postgraduate,Sichuan University of Science&Engineering(No.Y2022010).

摘　　要：The unstable zinc anode/electrolyte interface induced by corrosion,interfacial water splitting reaction,and dendrite growth seriously degrades the performances of metal Zn anode in aqueous electrolyte.Herein,the nucleation and growth of zinc hydroxide sulfate(ZHS),an interfacial by-product,has been tailored by Tween 80 in the electrolyte,which thereby assists in in-situ forming a dense solid electrolyte interphase(SEI)with small-sized ZHS and evenly distributed Tween 80.This SEI has high corrosion resistance and uniform distribution of zinc ions,which not only contributes to blocking the interfacial side reactions but also induces stable and calm zinc plating/stripping.Consequently,the modified electrolyte can confer the assembled Zn||Zn symmetric cell with a stable operation life over 1500 h at 1 mA·cm^(−2)and 1 mAh·cm^(−2)as well as the practical Zn||NH4V4O10 full battery with a high-rate capacity of 120 mAh·g^(−1)at the current density of 5 A·g^(−1).This work provides a way for regulating and reusing interfacial by-products,and a new sight on stabilization electrodes/electrolyte interfaces.

关 键 词：zinc hydroxide sulfides tailoring crystallization in-situ solid electrolyte interphase electrolyte engineering strategy aqueous zinc-ion battery 

分 类 号：TM912[电气工程—电力电子与电力传动]