• 文献标题:   Binder-free combination of graphene nanosheets with TiO2 nanotube arrays for lithium ion battery anode
  • 文献类型:   Article
  • 作  者:   MENG RJ, HOU HY, LIU XX, DUAN JX, LIU S
  • 作者关键词:   graphene nanosheet, oriented tio2 nanotube array, onestep electrodeposition, anode active material, lithium ion battery
  • 出版物名称:   JOURNAL OF POROUS MATERIALS
  • ISSN:   1380-2224 EI 1573-4854
  • 通讯作者地址:   Kunming Univ Sci Technol
  • 被引频次:   12
  • DOI:   10.1007/s10934-015-0111-x
  • 出版年:   2016

▎ 摘  要

Binder-free combination of graphene nanosheets with oriented TiO2 nanotube arrays was designed and achieved via one-step facile electrodeposition. The structure and morphology of as-prepared composite graphene nanosheets/TiO2 nanotube arrays were studied in terms of SEM, FESEM, EDX, TEM, Raman and FTIR. Furthermore, the corresponding electrochemical performances were evaluated in terms of galvanostatic charge/discharge, cycle stability and AC impedance. As expected, the composite graphene nanosheets/TiO2 nanotube arrays displayed higher discharge capacity, cycle stability and Li+ diffusion coefficient than bare TiO2 nanotube arrays. High Li-storage activity, superior conductivity and large surface area of graphene nanosheets should be responsible for improved electrochemical performances.