• 文献标题:   Carbon layer encapsulated Fe3O4@Reduced graphene oxide lithium battery anodes with long cycle performance
  • 文献类型:   Article
  • 作  者:   WU QC, JIANG RL, LIU HW
  • 作者关键词:   fe3o4, reduced graphene oxide, carbon, lithium ion battery
  • 出版物名称:   CERAMICS INTERNATIONAL
  • ISSN:   0272-8842 EI 1873-3956
  • 通讯作者地址:   China Univ Min Technol
  • 被引频次:   4
  • DOI:   10.1016/j.ceramint.2020.02.041
  • 出版年:   2020

▎ 摘  要

In this work, Fe3O4 was intercalated into reduced graphene oxide (rGO) and conducive carbon layers to form a three-dimensional (3D) sandwich-like C/Fe3O4/rGO composite material. The morphology was created via an efficient and simple solvothermal method. The double carbon layer not only suppresses the volume expansion of Fe(3)O(4 )during battery cycling, but also provides anelectron transport network for high rate applications. The C/ Fe3O4/rGO composite exhibits excellent electrochemical performance (844 mAh g(-1) at 0.2 A g(-1) even after 300 cycles) and high-rate cyclic performance (363 mAh g(-1) at 4 A g(-1) after 300 cycles). Meanwhile, the C/Fe3O4/ rGO composite shows obvious pseudocapacitance property (pseudocapacitance is 77% of the total capacity when scan rate is 5 mV s(-1)). These findings suggest that the C/Fe3O4/rGO composite may be used as a suitable anode material for lithium ion batteries (LIBs).