Relationship between the electron-transfer coefficients of the oxygen reduction reaction estimated from the Gibbs free energy of activation and the Butler

Relationship between the electron-transfer coefficients of the oxygen reduction reaction estimated from the Gibbs free energy of activation and the Butler–Volmer equation

Published:2023 Issue:1 Volume:25 Page:700-707
ISSN:1463-9076
Container-title:Physical Chemistry Chemical Physics
language:en
Short-container-title:Phys. Chem. Chem. Phys.

Author:

Maurya Rajan¹^ORCID,Das Rubul¹^ORCID,Tripathi Anand Kumar¹^ORCID,Neergat Manoj¹^ORCID

Affiliation:

1. Department of Energy Science and Engineering, Indian Institute of Technology Bombay (IITB), Powai, Mumbai-400076, India

Abstract

The electron-transfer coefficient (α) estimated from the Butler–Volmer equation (electrochemical kinetics) and that obtained from the potential-dependent Gibbs free energy of formation of the activated complex (ΔG#) for an electrocatalytic reaction are different.

Funder

National Centre for Photovoltaic Research and Education

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

http://pubs.rsc.org/en/content/articlepdf/2023/CP/D2CP04331A

Reference61 articles.

1. Oxygen electrocatalysis in alkaline electrolyte: Pt(hkl), Au(hkl) and the effect of Pd-modification

2. Just a Dream—or Future Reality?

3. Induced Adsorption of Chloride and Bromide by Submonolayer Amounts of Copper Underpotentially Deposited on Pt(111)