• 文献标题:   Surface decoration with MnO2 nanoplatelets on graphene/TiO2 (B) hybrids for rechargeable lithium-ion batteries
  • 文献类型:   Article
  • 作  者:   LI XL, ZHANG YL, ZHONG QN, LI TT, LI HY, HUANG JM
  • 作者关键词:   mno2 nanoplatelet, tio2 b, graphenebased hybrid, lithium ion batterie
  • 出版物名称:   APPLIED SURFACE SCIENCE
  • ISSN:   0169-4332 EI 1873-5584
  • 通讯作者地址:   Chongqing Univ
  • 被引频次:   18
  • DOI:   10.1016/j.apsusc.2014.06.096
  • 出版年:   2014

▎ 摘  要

Hierarchically ultrathin MnO2 nanoplatelets are decorated on the surface of graphene-based TiO2 (B) hybrids by a facile water-bath reaction to fabricate MnO2@graphene/TiO2 (B) composites. The multi-component composites show high specific surface area of 283.9 m(2) g(-1), facilitating the electrochemical reactions with solvented lithium ions in the enlarged interface area. The reversible capacity of the composites remains 243 mA hg(-1) after 150 cycles, with capacity retention of 83.5%. In comparison with graphene/TiO2 (B) hybrids, the MnO2@graphene/TiO2 (B) composites perform better rate capability, suggesting that surface decoration with MnO2 nanoplatelets can be a promising strategy to enhance the electrochemical performance of anode materials for lithium ion batteries. (C) 2014 Elsevier B.V. All rights reserved.