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Enhancing Electrochemical Performance of Aluminum-Ion Batteries with Fluorinated Graphene Cathode.
Lei, Haiping; Wei, Tianwei; Tu, Jiguo; Li, Suqin; Jiao, Shuqiang.
Afiliación
  • Lei H; School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 100083, Beijing, PR China.
  • Wei T; School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 100083, Beijing, PR China.
  • Tu J; State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, 100083, Beijing, PR China.
  • Li S; School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 100083, Beijing, PR China.
  • Jiao S; State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, 100083, Beijing, PR China.
ChemSusChem ; : e202400423, 2024 Apr 30.
Article en En | MEDLINE | ID: mdl-38687091
ABSTRACT
In pursuit of high-performance aluminum-ion batteries, the selection of a suitable positive electrode material assumes paramount importance, and fluorinated graphene (FG) nanostructures have emerged as an exceptional candidate. In the scope of this study, a flexible tantalum foil is coated with FG to serve as the positive electrode for aluminum-ion batteries. FG positive electrode demonstrates a remarkable discharge capacity of 109 mA h g-1 at a current density of 200 mA g-1, underscoring its tremendous potential for energy storage applications. Concurrently, the FG positive electrode exhibits a discharge capacity of 101 mA h g-1 while maintaining an impressive coulombic efficiency of 95 % over 300 cycles at a current density of 200 mA g-1, which benefiting from the significant structure of FG. The results of the in-situ Raman spectroscopy signified the presence of intercalation/de-intercalation processes of AlCl4 - behavior within the FG layers.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ChemSusChem Asunto de la revista: QUIMICA / TOXICOLOGIA Año: 2024 Tipo del documento: Article Pais de publicación: Alemania
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ChemSusChem Asunto de la revista: QUIMICA / TOXICOLOGIA Año: 2024 Tipo del documento: Article Pais de publicación: Alemania