Edge-selectively sulfurized graphene nanoplatelets as efficient metal-free electrocatalysts for oxygen reduction reaction: the electron spin effect

Adv Mater. 2013 Nov 13;25(42):6138-45. doi: 10.1002/adma.201302753. Epub 2013 Aug 23.


To replace precious platinum (Pt)-based electrocatalysts for cathodic oxygen reduction reaction (ORR), edge-selectively sulfurized graphene nanoplatelets (SGnP) are synthesized as efficient metal-free electrocatalysts simply by ball-milling pristine graphite in the presence of sulfur (S8 ). The resultant SGnPs exhibit remarkable electrocatalytic activity toward ORR with better tolerance to methanol crossover/CO poisoning effects and longer-term stability than those of pristine graphite and commercial Pt/C electrocatalysts. Edge-Selectively Sulfurized Graphene Nanoplatelets as Efficient Metal-Free Electrocatalysts for Oxygen Reduction Reaction: The Electron Spin Effect.

Keywords: ball-milling; electrocatalysts; graphene nanoplatelets; oxygen reduction reaction; sulfurization.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Catalysis
  • Electrochemical Techniques
  • Electrons
  • Graphite / chemistry*
  • Metals / chemistry
  • Nanostructures / chemistry*
  • Oxidation-Reduction
  • Oxygen / chemistry*
  • Quantum Theory
  • Sulfur / chemistry*


  • Metals
  • Sulfur
  • Graphite
  • Oxygen