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Topochemical and phase transformation induced Co9S8/NC nanosheets for high-performance sodium-ion batteries.
Li, Yining; Wu, Shimei; Liu, Chilin; Liu, Zhiting; Yang, Wei; Zhang, Yufei; Fan, Haosen.
Afiliación
  • Li Y; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. yfzhang@gdut.edu.cn.
  • Wu S; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. yfzhang@gdut.edu.cn.
  • Liu C; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. yfzhang@gdut.edu.cn.
  • Liu Z; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. yfzhang@gdut.edu.cn.
  • Yang W; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. yfzhang@gdut.edu.cn.
  • Zhang Y; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. yfzhang@gdut.edu.cn.
  • Fan H; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China. yfzhang@gdut.edu.cn.
Dalton Trans ; 52(44): 16519-16524, 2023 Nov 14.
Article en En | MEDLINE | ID: mdl-37877818
In this paper, a cobalt-based sulfide nanosheet structure (Co9S8/NC) was successfully synthesized by topochemical and phase transformation processes from a dodecahedral cobalt-based imidazole skeleton (ZIF-67) as a self-template. The 2D sheet structure facilitates full contact of electrode materials with the electrolyte and shortens the diffusion distance for electrons and ions. In addition, the nitrogen-doped carbon framework derived from ZIF-67 promotes electron transfer and provides a reliable skeleton to buffer volume expansion during discharging and charging. Finally, Co9S8/NC exhibits excellent rate capability and stable cycling performance for the anode of a sodium ion battery, delivering a specific capacity remaining at 530 mA h g-1 after 130 cycles at a current density of 1 A g-1.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Dalton Trans Asunto de la revista: QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Dalton Trans Asunto de la revista: QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido