Electrocatalysis

, Volume 9, Issue 3, pp 352–358 | Cite as

Excellent Performances of Modified RuOs Bimetallic Materials as Anode Catalysts for Polymer Electrolyte Membrane Fuel Cells

Original Research
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Abstract

Multicomponent catalysts such as RuOs/C binary electrocatalysts and Pt-modified RuOs/C (Pt-RuOs/C) ternary electrocatalysts were prepared using the sodium borohydride reduction method for use as anode materials in proton exchange membrane fuel cells (PEMFCs). The electrocatalyst particles, of size 3–4 nm, were uniformly dispersed on carbon supports and showed a similar performance to commercial Pt/C in single cell tests. In this study, we demonstrate the use of multicomponent materials with no Pt or a very low level of Pt as potential anode catalysts in an actual PEMFC device. The polarization test results showed that, when used in membrane-electrode assemblies (MEAs) within a PEMFC, the RuOs/C binary electrocatalysts exhibited a significantly enhanced electrochemical performance for hydrogen oxidation. In addition, Pt-RuOs/C revealed a similar performance to that of commercial Pt/C; the new electrocatalyst, in particular, showed excellent Pt mass activity. These results indicate that the RuOs/C catalyst is potentially an alternative anode electrocatalyst for PEMFCs.

Graphical Abstract

Keywords

RuOs electrocatalyst Polymer electrolyte membrane fuel cell Hydrogen oxidation reaction Membrane electrode assembly 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2017

Authors and Affiliations

  1. 1.Center for Nanoparticle ResearchInstitute for Basic Science (IBS)SeoulRepublic of Korea
  2. 2.School of Chemical and Biological EngineeringSeoul National UniversitySeoulRepublic of Korea
  3. 3.Department of ScienceRepublic of Korea Naval AcademyChangwonRepublic of Korea
  4. 4.Mineral Resources Research Division, Resources Utilization Research CenterKorea Institute of Geoscience and Mineral ResourcesDaejeonRepublic of Korea
  5. 5.Department of Chemical EngineeringKangwon National UniversitySamcheokRepublic of Korea

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