#OPCAT - Operando Characterization of Electrocatalytic Interfaces

Description of topical focus

Electrochemical processes play a pivotal role in renewable energy conversion and storage and provide an avenue to produce fuels and chemical feedstocks sustainably.

The search for new catalysts with improved efficiency, stability and selectivity for these processes relies on gaining fundamental understanding of reaction mechanisms at polarized interfaces.

Consequently, operando or in situ characterization of complex interfaces with increased spatiotemporal resolution is key to advancing knowledge-guided catalyst design. This symposium invites contributions on the latest developments in operando investigation of electrocatalytic reactions, including but not limited to water electrolysis, fuel cells, carbon dioxide reduction, nitrogen reduction and alcohol oxidation.

Electrocatalytic reactions near room temperature in aqueous, non-aqueous and ionic liquids are of interest on materials ranging from single crystals to gas diffusion electrodes. The sessions will include research performed using and/or developing optical, X-ray, and vibrational spectroscopy, surface diffraction, mass spectrometry and microscopy techniques, as well as latest advances in theoretical and modeling approaches to interpret experimental data and consequently understand complex mechanisms at electrochemical interfaces.

List of conference topics
  • In situ and operando spectroscopy (optical, vibrational, X-ray) and diffraction of reactive interfaces
  • In situ and operando microscopy and surface imaging
  • On-line mass spectrometry of gases and liquid products
  • Theory guided interpretation of operando data
  • Instrumental advances and developments of new methods for operando characterization
Symposium organizers
Reshma Rao

Imperial College London, Department of Chemistry

 Marcel Risch

Helmholtz-Zentrum Berlin für Materialien und Energie GmbH

Kelsey Stoerzinger

Oregon State University

Invited Speakers
Chris Baeumer

Universitry of Twente

Serhiy Cherevko

Forschungszentrum Jülich GmbH

Ethan Crumlin

Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, USA

Alexis Grimaud


Gary Harlow

Malmö University / MAX IV

Yu Katayama

Osaka University, SANKEN (Institute of Scientific and Industrial Research)

Magalí Lingenfelder

Swiss Federal Institute of Technology Lausanne (EPFL), Institute of Physics

Olaf Magnussen

Institute for Experimental and Applied Physics, Kiel University

Vasiliki Tileli

Ecole Polytechnique Federale de Lausanne

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