Uniform In Situ Grown ZIF-L Layer for Suppressing Hydrogen Evolution and Homogenizing Zn Deposition in Aqueous Zn-Ion Batteries

时间:2023-05-25作者:浏览量:10


Uniform In Situ Grown ZIF-L Layer for Suppressing Hydrogen Evolution and Homogenizing Zn Deposition in Aqueous Zn-Ion Batteries

作者:He, WX (He, Weixing) [1] , [2] ; Gu, TT (Gu, Tengteng) [1] , [2] ; Xu, XJ (Xu, Xijun) [1] , [2] ; Zuo, SY (Zuo, Shiyong) [1] , [2] ; Shen, JD (Shen, Jiadong) [1] , [2] ; Liu, J (Liu, Jun) [1] , [2] ; Zhu, M (Zhu, Min) [1] , [2]

 (由 Clarivate 提供) 

卷14

期35

页40031-40042

DOI10.1021/acsami.2c11313

出版时间SEP 7 2022

在线发表AUG 2022

已索引2022-10-02

文献类型Article

摘要

The hydrogen evolution and dendrite of Zn anode are the major troubles hindering the commercialization of aqueous Zn-ion batteries (AZIBs). ZIF-Ls, a typical metal-organic framework (MOF) with a highly ordered structure and abundant functional groups, seem to be the answer for the above bottlenecks. In this paper, a uniform ZIF-L layer was obtained on the Zn surface (Zn@ZIF-L) via an in situ synthesis method to moderate the solvation structure of solid-liquid interface electrolyte reducing the contact between water and Zn, thereby relieving the hydrogen evolution and corrosion. Furthermore, density functional theory (DFT) analysis reveals the binding energy of H (-4.01 eV) and Zn (-0.82 eV) for ZIF-L is superior to that of pure Zn (H (-1.49 eV) and Zn (-0.68 eV)). Due to the multifunctional ZIF-L layer, the Zn@ZIF-L can regulate Zn deposition to overcome the dendrite for obtaining a long-life Zn anode. Consequently, the modified Zn@ZIF-L anode can cycle for 800 h at 0.25 mA cm(-2) for 0.25 mAh cm(-2), while the bare Zn anode is only maintained for 422 h. Finally, a designed V2O5 grown on carbon cloth (V2O5@CC) was used as the cathode and coupled with the Zn@ZIF-L anode to assemble the full-cell. The Zn@ZIF-L//V2O5@CC full-cell possesses a capacity retention rate of 84.9% after 250 cycles at 0.5 C, prominently higher than Zn//V2O5@CC (40.7%).


关键词

作者关键词ZIP-L layerZn dendritelong-life Zn anodehydrogen evolutionanode aqueous zinc-ion batteries

Keywords PlusZEOLITIC IMIDAZOLATE FRAMEWORKMETAL-ORGANIC FRAMEWORKEFFICIENTANODEELECTRODEPOSITIONCHALLENGESCONVERSIONSTABILITYINSIGHTDESIGN

作者信息

通讯作者地址

Liu, Jun

(通讯作者)

South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Peoples R China

通讯作者地址

Liu, Jun

(通讯作者)

South China Univ Technol, Guangdong Prov Key Lab Adv Energy Storage Mat, Guangzhou 510641, Peoples R China

所属机构

South China University of Technology

地址

1 South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Peoples R China

2 South China Univ Technol, Guangdong Prov Key Lab Adv Energy Storage Mat, Guangzhou 510641, Peoples R China

电子邮件地址msjliu@scut.edu.cn

类别/分类

研究方向Science & Technology - Other TopicsMaterials Science

引文主题

2 Chemistry

2.62 Electrochemistry

2.62.52 Supercapacitor

Sustainable Development Goals

11 Sustainable Cities and Communities

Web of Science 类别Nanoscience & NanotechnologyMaterials Science, Multidisciplinary