CompEL: Computational Electrochemistry to Resolve Electrocatalytic Oxygen Reduction

Overview of the CompEL project from methods and theory to understanding and catalyst design. (PC)ET stands for (proton-coupled) electron transfer, KIE for kinetic isotope effects, and ORR for the oxygen reduction reaction.

Table of contents

Project duration
Core fields of research
Basic natural phenomena and mathematical thinking
Research areas
Sustainable society
Chemical Nanoscience
Circular Economy
Department
Department of Chemistry
Faculty
Faculty of Mathematics and Science
Funding
Research Council of Finland

Project description

Electrocatalysis is the most promising chemical approach to achieve sustainable and decentralized energy storage conversion/storage, de-carbonized chemical industries, and hydrogen economy. Realizing these approaches requires the development of active materials and electrocatalysts capable of driving the needed (electro)chemical reactions. One of the most important reactions is the the oxygen reduction reaction (ORR) which is a central electrocatalytic reaction in fuel cells and metal-air batteries, and synthesis of e.g. hydrogen peroxide. However, the prospects of ORR-based technologies are limited by the lack active, selective, and abundant electrocatalysts, and further catalyst development is required to realize large-scale ORR.

CompEL addresses this need by developing a holistic, detailed multiscale computational framework to address electrocatalytic reactions to disentangle the factors controlling ORR electrocatalysis. By 1) developing new theoretical and atomic-scale simulation methods to study ORR at the atomic level, and  2) combining these methods with experiments and multiscale models at different time- and length-scales we will 3) explain the performance of current ORR catalysts and predict new ones. More generally, CompEL will advance the theory and simulation of electrochemical reactions, and provide means to explain and design electrocatalytic systems.
 

Publications

Publication
2023
Available through Open Access

ACS Catalysis
López-Estrada, Omar
Mammen, Nisha
Laverdure, Laura
Melander, Marko M.
Häkkinen, Hannu
Honkala, Karoliina
Publication
2023
Available through Open Access

Electrochimica Acta
Melander, Marko M.
Publication
2023
Available through Open Access

Current Opinion in Electrochemistry
Wu, Tongwei
Melander, Marko M.
Honkala, Karoliina
Publication
2022
Available through Open Access

Journal of Physical Chemistry Letters
Korpelin, Ville
Kiljunen, Toni
Melander, Marko M.
Caro, Miguel A.
Kristoffersen, Henrik H.
Mammen, Nisha
Apaja, Vesa
Honkala, Karoliina
Publication
2022
Available through Open Access

ACS Catalysis
Wu, Tongwei
Melander, Marko M.
Honkala, Karoliina
Publication
2022
Available through Open Access

Current Opinion in Electrochemistry
Domínguez-Flores, Fabiola
Melander, Marko M.

Project team