Synergistic“Anchor‑Capture”Enabled by Amino and Carboxyl for Constructing Robust Interface of Zn Anode

作     者：Zhen Luo Yufan Xia Shuang Chen Xingxing Wu Ran Zeng Xuan Zhang Hongge Pan Mi Yan Tingting Shi Kai Tao Ben Bin Xu Yinzhu Jiang Zhen Luo;Yufan Xia;Shuang Chen;Xingxing Wu;Ran Zeng;Xuan Zhang;Hongge Pan;Mi Yan;Tingting Shi;Kai Tao;Ben Bin Xu;Yinzhu Jiang

作者机构：School of Materials Science and EngineeringZhejiang UniversityHangzhou 310027People’s Republic of China ZJU‑Hangzhou Global Scientific and Technological Innovation CenterZhejiang UniversityHangzhou 311215People’s Republic of China State Key Laboratory of Fluid Power and Mechatronic SystemsKey Laboratory of Advanced Manufacturing Technology of Zhejiang ProvinceSchool of Mechanical EngineeringZhejiang UniversityHangzhou 310027People’s Republic of China Institute of Science and Technology for New EnergyXi’an Technological UniversityXi’an 710021People’s Republic of China State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive UtilizationBaotou Research Institute of Rare EarthsBaotou 014030People’s Republic of China Guangdong Provincial Engineering Technology Research Center of Vacuum Coating Technologies and New Energy MaterialsDepartment of PhysicsJinan UniversityGuangzhou 510632GuangdongPeople’s Republic of China Zhejiang-Israel Joint Laboratory of Self-Assembling Functional MaterialsHangzhou 311200People’s Republic of China Mechanical and Construction EngineeringFaculty of Engineering and EnvironmentNorthumbria UniversityNewcastle upon Tyne NE18STUK 

出 版 物：《Nano-Micro Letters》 (纳微快报（英文版）)

年 卷 期：2023年第15卷第11期

页      面：265-280页

核心收录：

学科分类：0808[工学-电气工程] 08[工学] 

基　　金：supported by National Key R&D Program(2022YFB2502000) Zhejiang Provincial Natural Science Foundation of China(LZ23B030003) the Fundamental Research Funds for the Central Universities(2021FZZX001-09) the National Natural Science Foundation of China(52175551) 

主　　题：Zn anode–electrolyte interface Polar groups Synergistic“anchor-capture”effect Side reactions Dendrite growth 

摘      要：While the rechargeable aqueous zinc-ion batteries(AZIBs)have been recognized as one of the most viable batteries for scale-up application,the instability on Zn anode–electrolyte interface bottleneck the further development ***,we utilize the amino acid glycine(Gly)as an electrolyte additive to stabilize the Zn anode–electrolyte *** unique interfacial chemistry is facilitated by the synergistic“anchor-captureeffect of polar groups in Gly molecule,manifested by simultaneously coupling the amino to anchor on the surface of Zn anode and the carboxyl to capture Zn^(2+)in the local *** such,this robust anode–electrolyte interface inhibits the disordered migration of Zn^(2+),and effectively suppresses both side reactions and dendrite *** reversibility of Zn anode achieves a significant improvement with an average Coulombic efficiency of 99.22%at 1 mA cm^(−2)and 0.5 mAh cm^(−2)over 500 *** at a high Zn utilization rate(depth of discharge,DODZn)of 68%,a steady cycle life up to 200 h is obtained for ultrathin Zn foils(20μm).The superior rate capability and long-term cycle stability of Zn–MnO_(2)full cells further prove the effectiveness of Gly in stabilizing Zn *** work sheds light on additive designing from the specific roles of polar groups for AZIBs.