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Reversible Zn Metal Anodes Enabled by Trace Amounts of Underpotential Deposition Initiators.
Dai, Yuhang; Zhang, Chengyi; Zhang, Wei; Cui, Lianmeng; Ye, Chumei; Hong, Xufeng; Li, Jinghao; Chen, Ruwei; Zong, Wei; Gao, Xuan; Zhu, Jiexin; Jiang, Peie; An, Qinyou; Brett, Dan J L; Parkin, Ivan P; He, Guanjie; Mai, Liqiang.
Afiliação
  • Dai Y; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China.
  • Zhang C; Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK.
  • Zhang W; Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK.
  • Cui L; Institute of Technological Sciences, Wuhan University, Wuhan, 430072, P. R. China.
  • Ye C; Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK.
  • Hong X; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China.
  • Li J; Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, CB3 0FS, UK.
  • Chen R; Beijing Key Laboratory of Theory and Technology for Advanced Batteries Materials, School of Materials Science and Engineering, Peking University, Beijing, 100871, P. R. China.
  • Zong W; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China.
  • Gao X; Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK.
  • Zhu J; Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK.
  • Jiang P; Christopher Ingold Laboratory, Department of Chemistry, University College London, London, WC1H 0AJ, UK.
  • An Q; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China.
  • Brett DJL; Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK.
  • Parkin IP; Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK.
  • He G; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China.
  • Mai L; Electrochemical Innovation Lab, Department of Chemical Engineering, University College London, London, WC1E 7JE, UK.
Angew Chem Int Ed Engl ; 62(18): e202301192, 2023 Apr 24.
Article em En | MEDLINE | ID: mdl-36866940
ABSTRACT
Routine electrolyte additives are not effective enough for uniform zinc (Zn) deposition, because they are hard to proactively guide atomic-level Zn deposition. Here, based on underpotential deposition (UPD), we propose an "escort effect" of electrolyte additives for uniform Zn deposition at the atomic level. With nickel ion (Ni2+ ) additives, we found that metallic Ni deposits preferentially and triggers the UPD of Zn on Ni. This facilitates firm nucleation and uniform growth of Zn while suppressing side reactions. Besides, Ni dissolves back into the electrolyte after Zn stripping with no influence on interfacial charge transfer resistance. Consequently, the optimized cell operates for over 900 h at 1 mA cm-2 (more than 4 times longer than the blank one). Moreover, the universality of "escort effect" is identified by using Cr3+ and Co2+ additives. This work would inspire a wide range of atomic-level principles by controlling interfacial electrochemistry for various metal batteries.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article