Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 114, Issue 10, Pages 4473-4478Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp9087805
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Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
- New Energy and Industrial Technology Development Organization (NEDO)
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A first-principles elucidation is provided for a reason Why platinum shows excellent catalysis concerning the oxygen reduction reaction (ORR). The present research is based oil ail intensive simulation of the ORR pathways performed Under realistic electric double layer conditions and oil a multidimensional thermodynamic analysis that directly takes into account the multistep character of ORR. The ORR oil four noble metals (Pt, Pd, Ru, and Au) can be characterized by three processes, O-2 reduction to OOH, bond breakage between O atoms, and avoidance of OH and O poisons. We show that thermodynamic analysis of these processes yields a Sabatier volcano plot.
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