Encyclopedia of Applied Electrochemistry

2014 Edition
| Editors: Gerhard Kreysa, Ken-ichiro Ota, Robert F. Savinell

Formic Acid Oxidation

  • Yijin Kang
  • Christopher B. Murray
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6996-5_402

Introduction

Electrocatalysis of formic acid (FA) oxidation reactions has been intensively studied for two main reasons: (1) FA is an attractive chemical fuel for fuel cell applications due to its high energy density (1,740 Wh/kg, 2,086 Wh/L) and easy storage [1], and (2) FA is the smallest molecule that has four most common chemical bonds in organic compounds (C−H, C=O, C−O, O−H), making FA an ideal model molecule for studying electrooxidation reactions.

Three possible reaction pathways of FA oxidation have been proposed [ 2, 3, 4]:
  1. (i)

    \( \mathrm{ HCOOH}^*\ \to\ \mathrm{ C}\mathrm{ OOH}^* +\ {{\mathrm{ H}}^{+}}+{e^{-}}\ \to\ \mathrm{ C}{{\mathrm{ O}}_2} +\ 2{{\mathrm{ H}}^{+}} + 2{e^{-}} \)

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.University of PennsylvaniaPhiladelphiaUSA