Promoted C-C bond cleavage over intermetallic TaPt3 catalyst toward low-temperature energy extraction from ethanol

Rajesh Kodiyath, Gubbala V. Ramesh, Eva Koudelkova, Toyokazu Tanabe, Mikio Ito, Maidhily Manikandan, Shigenori Ueda, Takeshi Fujita, Naoto Umezawa, Hidenori Noguchi, Katsuhiko Ariga, Hideki Abe

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)


Novel intermetallic TaPt3 nanoparticles (NPs) are materialized, which exhibit much higher catalytic performance than state-of-the-art Pt3Sn NPs for electrooxidation of ethanol. In situ infrared-reflection-absorption spectroscopy (IRRAS) elucidates that the TaPt3 NPs cleave the C-C bond in ethanol at lower potentials than Pt NPs, efficiently promoting complete conversion of ethanol to CO2. Single-cell tests demonstrate the feasibility of the TaPt3 NPs as a practical energy-extraction catalyst for ethanol fuels, with more than two times higher output currents than Pt-based cells at high discharge currents.

Original languageEnglish
Pages (from-to)1685-1689
Number of pages5
JournalEnergy and Environmental Science
Issue number6
Publication statusPublished - 2015 Jun 1

ASJC Scopus subject areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution


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