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The Role of Bridge-Bonded Adsorbed Formate in the Electrocatalytic Oxidation of Formic Acid on Platinum†

  1. Prof. Dr. Masatoshi Osawa1,*,
  2. Kei-ichi Komatsu1,
  3. Dr. Gabor Samjeské1,
  4. Dr. Taro Uchida1,
  5. Prof. Dr. Tamio Ikeshoji2,
  6. Dr. Angel Cuesta3,
  7. Prof. Dr. Claudio Gutiérrez3

Article first published online: 27 DEC 2010

DOI: 10.1002/anie.201004782

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 50, Issue 5, pages 1159–1163, February 1, 2011

Additional Information

How to Cite

Osawa, M., Komatsu, K.-i., Samjeské, G., Uchida, T., Ikeshoji, T., Cuesta, A. and Gutiérrez, C. (2011), The Role of Bridge-Bonded Adsorbed Formate in the Electrocatalytic Oxidation of Formic Acid on Platinum. Angewandte Chemie International Edition, 50: 1159–1163. doi: 10.1002/anie.201004782

Author Information

  1. 1

    Catalysis Research Center, Hokkaido University, Sapporo 001-0021 (Japan), Fax: (+81) 11-706-9124

  2. 2

    New Industry Creation Hatchery Center, Tohoku University, Sendai 980-8579 (Japan)

  3. 3

    Instituto de Química Física “Rocasolano”, CSIC, C. Serrano, 119, 28006 Madrid (Spain)

*Catalysis Research Center, Hokkaido University, Sapporo 001-0021 (Japan), Fax: (+81) 11-706-9124

  1. †

    This work was supported by the Ministry of Education, Culture, Sports, Science, and Technology of Japan (Grant-in-Aid for Basic Research No. 18350038 and a Grant-in-Aid for Scientific Research on the Priority Area “Strong Photon-Molecule Coupling Fields (No. 470)”), and also by The Iwatani Naoji Foundation.

Publication History

  1. Issue published online: 26 JAN 2011
  2. Article first published online: 27 DEC 2010
  3. Manuscript Received: 2 AUG 2010

Funded by

  • Ministry of Education, Culture, Sports, Science, and Technology of Japan. Grant Number: 18350038
  • Grant-in-Aid for Scientific Research
  • Iwatani Naoji Foundation

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Keywords:

  • electrochemistry;
  • formic acid;
  • heterogeneous catalysis;
  • platinum;
  • surface chemistry

Graphical Abstract

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A bridge too far: Time-resolved surface-enhanced infrared spectroscopy (SEIRAS) coupled with chronoamperometry shows that formic acid is oxidized via bridge-bonded adsorbed formate, and that formate decomposition is the rate-determining step in the electrooxidation of formic acid to CO2 on Pt. The contribution of direct oxidation of formic acid via weakly adsorbed HCOOH is negligible at best.

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