High-performance oxygen reduction electrocatalysts based on cheap carbon black, nitrogen, and trace iron

Adv Mater. 2013 Dec 17;25(47):6879-83. doi: 10.1002/adma.201302786. Epub 2013 Sep 17.

Abstract

A real optimal Fe content: For N and Fe co-doped carbon electrocatalysts for oxygen reduction reactions (ORRs) it is found that there is a real optimal trace Fe content (Peak II), which has never been observed before. The real optimal electrocatalyst shows superior high activity for ORR and possesses the best price/performance ratio ever.

Keywords: carbon black; electrocatalysts; fuel cells; iron; oxygen reduction reaction.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Catalysis
  • Electrochemical Techniques
  • Electrodes
  • Iron / chemistry*
  • Nitrogen / chemistry*
  • Oxidation-Reduction
  • Oxygen / chemistry*
  • Soot / chemistry*

Substances

  • Soot
  • Iron
  • Nitrogen
  • Oxygen