Hollow mesoporous carbon cubes with high activity towards the electrocatalytic reduction of oxygen

  • Lisong Chen
  • , Xiangzhi Cui
  • , Lingxia Zhang
  • , Yongxia Wang
  • , Min Wang
  • , Fangming Cui
  • , Chenyang Wei
  • , Jingwei Feng
  • , Tongguang Ge
  • , Wenchao Ren
  • , Jianlin Shi*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Hollow-structured mesoporous carbon cubes (HMCCs) have been successfully synthesized from carbon dioxide by a facile approach based on thermal reduction of magnesium. The approach is economical and applicable to large-scale synthesis. Notably, pyrrole-type nitrogen species are doped into the HMCCs during the synthesis in situ, that is, without introducing a nitrogen-containing precursor. A formation mechanism of the HMCCs is proposed, and formation of the structure is attributed to MgO templates generated in situ. Furthermore, the HMCCs are demonstrated to be a promising alternative to commercial Pt/C fuel-cell catalysts for the electrochemical oxygen reduction reaction.

Original languageEnglish
Pages (from-to)623-627
Number of pages5
JournalChemSusChem
Volume8
Issue number4
DOIs
StatePublished - Feb 2015
Externally publishedYes

Keywords

  • Carbon
  • Doping
  • Electrochemistry
  • Fuel cells
  • Reduction

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