Synthesis of the ZnO@ZnS Nanorod for Lithium-Ion Batteries

Haipeng Li, Jiayi Wang, Yan Zhao and Taizhe Tan
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Haipeng Li: School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
Jiayi Wang: School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
Yan Zhao: School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
Taizhe Tan: Synergy Innovation Institute of Guangdong University of Technology, Heyuan 517000, China

Energies, 2018, vol. 11, issue 8, 1-8

Abstract: The ZnO@ZnS nanorod is synthesized by solvothermal method as an anode material for lithium ion batteries. ZnS is deposited on ZnO and assembles in nanorod geometry successfully. The nanosized rod structure supports ion diffusion by substantially reducing the ion channel. The close-linking of ZnS and ZnO improves the synergetic effect. ZnS is in the middle of the ZnO core and the external environment, which would greatly relieve the volume change of the ZnO core during the Li + intercalation/de-intercalation processes; therefore, the ZnO@ZnS nanorod is helpful in maintaining excellent cycle stability. The ZnO@ZnS nanorod shows a high discharge capacity of 513.4 mAh g −1 at a current density of 200 mA g −1 after 100 cycles, while a reversible capacity of 385.6 mAh g −1 is achieved at 1000 mA g −1 .

Keywords: lithium ion battery; anode; ZnO@ZnS nanorod; electrochemical performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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