Comparative investigation of nitrogen species in transition metals incorporated carbon catalysts for the oxygen reduction reaction
Chemical Physics Letters(2018)
摘要
•Non-PGM catalyst is prepared by en-TMs (Fe, Co, and Ni) complex and en only.•Nitrogen is effectively doped as transition metals are atomically dispersed.•The thickness of graphitic carbon shells for Fe@NC is thin.•All catalysts show the consistent pyridinic-N concentration.•The onset potential increases with the quaternary-N concentration.
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关键词
Oxygen reduction reaction,Transition metal,Non-platinum metal group electrocatalyst,Quaternary nitrogen,Onset potential
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