• 文献标题:   Metal free nitrogen doped hollow mesoporous graphene-analogous spheres as effective electrocatalyst for oxygen reduction reaction
  • 文献类型:   Article
  • 作  者:   YAN J, MENG H, XIE FY, YUAN XL, YU WD, LIN WR, OUYANG WP, YUAN DS
  • 作者关键词:   hollow mesoporous carbon sphere, nitrogendoped carbon, graphene, oxygen reduction reaction, fuel cell
  • 出版物名称:   JOURNAL OF POWER SOURCES
  • ISSN:   0378-7753 EI 1873-2755
  • 通讯作者地址:   Jinan Univ
  • 被引频次:   66
  • DOI:   10.1016/j.jpowsour.2013.07.003
  • 出版年:   2014

▎ 摘  要

Nitrogen-doped hollow mesoporous carbon spheres has been synthesized from mesoporous silica spheres using glycine as carbon and nitrogen precursor. The wall of the spheres is composed by broken graphene. The metal free nitrogen-doped hollow mesoporous carbon spheres are proven to be active electrocatalyst for the oxygen reduction reaction in alkaline solution. A unique advantage of the nitrogen-doped hollow mesoporous carbon sphere is its methanol-tolerant property because of the absence of active metal. The catalytic activity is ascribed to the pyridinic-nitrogen formed during pyrolysis and the graphene-like structure. To the best of our knowledge this is the first report on the nitrogen-doped hollow mesoporous carbon sphere as a metal-free electrocatalyst for the oxygen reduction reaction which is an important reaction in fuel cell. The prepared mesoporous carbon material can also be used as catalyst support and find application both in the anode and cathode of fuel cell. (C) 2013 Published by Elsevier B.V.