articleJournal of the American Chemical SocietyDec 3, 2015Closed access

Highly Durable and Active PtFe Nanocatalyst for Electrochemical Oxygen Reduction Reaction

DYDong Young ChungSWSamuel Woojoo JunGYGabin YoonSGSoon Gu KwonDYDong Yun Shin

Institute for Basic Science · Chungbuk National University · +2 more institutions

PubMed
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Abstract

Demand on the practical synthetic approach to the high performance electrocatalyst is rapidly increasing for fuel cell commercialization. Here we present a synthesis of highly durable and active intermetallic ordered face-centered tetragonal (fct)-PtFe nanoparticles (NPs) coated with a "dual purpose" N-doped carbon shell. Ordered fct-PtFe NPs with the size of only a few nanometers are obtained by thermal annealing of polydopamine-coated PtFe NPs, and the N-doped carbon shell that is in situ formed from dopamine coating could effectively prevent the coalescence of NPs. This carbon shell also protects the NPs from detachment and agglomeration as well as dissolution throughout the harsh fuel cell operating…

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661
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14.75
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100%
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50
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Authors

18

Topics & keywords

Topics
Keywords
  • Electrocatalyst
  • Chemistry
  • Nanoparticle
  • Chemical engineering
  • Catalysis
  • Carbon fibers
  • Intermetallic
  • Electrochemistry
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