• 文献标题:   A one-pot method to synthesize high performance multielement co-doped reduced graphene oxide catalysts for oxygen reduction
  • 文献类型:   Article
  • 作  者:   QIAO XC, YOU CH, SHU T, FU ZY, ZHENG RP, ZENG XY, LI XH, LIAO SJ
  • 作者关键词:   multielement codoping, graphene, carbon catalyst, fuel cell, oxygen reduction reaction
  • 出版物名称:   ELECTROCHEMISTRY COMMUNICATIONS
  • ISSN:   1388-2481 EI 1873-1902
  • 通讯作者地址:   S China Univ Technol
  • 被引频次:   18
  • DOI:   10.1016/j.elecom.2014.07.024
  • 出版年:   2014

▎ 摘  要

A Fe, N and S multielement co-doped reduced graphene oxide (Fe-N-S/rGO) was successfully prepared using a one-pot method by directly pyrolyzing a mixture of graphene oxide (GO), FeCl3, melamine and sulfur in N-2 flow, during which deoxidization of GO and multielement co-doping are realized simultaneously. This catalyst shows excellent oxygen reduction activity in an alkaline medium, with an onset potential of 0.95 V (vs. RHE) and a kinetic-limiting current density of 4.78 mA cm(-2) at 0.68 V (vs. RHE), which is superior to that of commercial Pt/C. Furthermore, it exhibits long-term stability, excellent methanol tolerance and high selectivity for the four-electron reduction pathway. (C) 2014 Elsevier B.V. All rights reserved.