Your browser doesn't support javascript.
loading
High-Capacity and Long-Life Zinc Electrodeposition Enabled by a Self-Healable and Desolvation Shield for Aqueous Zinc-Ion Batteries.
Du, Haoran; Zhao, Ruirui; Yang, Ying; Liu, Zhikang; Qie, Long; Huang, Yunhui.
Afiliación
  • Du H; Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China.
  • Zhao R; Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China.
  • Yang Y; Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China.
  • Liu Z; Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China.
  • Qie L; Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China.
  • Huang Y; State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China.
Angew Chem Int Ed Engl ; 61(10): e202114789, 2022 Mar 01.
Article en En | MEDLINE | ID: mdl-34939320
Artificial interfaces can alleviate the side reactions and the formation of the metallic (e.g., Li, Na, and Zn) dendrites. However, the traditional ones always breakdown during the repeated plating/stripping and fail to regulate the electrodeposition behaviors of the electrodes. Herein, a self-healable ion regulator (SIR) is designed as a desolvation shield to protect the Zn electrodes and guide the Zn electrodeposition. Benefiting from the intermolecular hydrogen bonds, SIR shows a superb capability to in situ repair the plating/stripping-induced cracks. Besides, the results of theoretical calculations and electrochemical characterizations show that the coating reduces water molecules in the solvated sheath of hydrated Zn2+ and restrains the random Zn2+ diffusion on the Zn surface. Even with a coating layer of only 360 nm, the SIR-modified Zn electrode exhibits excellent long-term stability for >3500 h at 2 mAh cm-2 and >950 h at an ultrahigh areal capacity of 20 mAh cm-2 .
Palabras clave

Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2022 Tipo del documento: Article País de afiliación: China

Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2022 Tipo del documento: Article País de afiliación: China