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Electrochemistry Laboratory (LEC)

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Electrocatalysis and Interfaces

Project Description

The Electrocatalysis and Interfaces Group was established in 2012 combining the electrocatalysis activites of the former Fuel Cell Group and the Interface analytical activities of the former Interface and Capacitor Group.
Electrocatalysis is the key topic for electrochemical energy conversion. In order to optimize rate, selectivity, energy and stability of a certain electrochemical reaction - such as oxygen reduction, oxygen evolution, hydrogen oxidation, and CO2 reduction - proper catalysts have to be developed and optimized. The respective surface and interface analytical tools are essential for the understanding of the catalyst and are utilized in the group.

Therefore the activities of the group cover two focal points - Electrocatalysis and Interface analysis including Electrochemical capacitors.

Electrocatalysis - opens new routes towards more efficient fuel cells and other electrochemical processes e.g. CO2 reduction. The group's main topics are investigations of the effect and utilization of oxides as support for O2 reduction catalysts and the optimization of CO2 reduction catalysts. Catalysts for electrolysis and reversible fuel cells are also studied in our group.

Interfaces - Surface analysis is essential for the understanding and optimization of catalytic and electrochemical interfaces and provides information about processes and electronic and molecular properties on a microscopic scale. The main topics at present are catalysis of nano particles and electrocatalysis. We also developed in situ UHV electrochemical cells for in situ studies of the electrolyte|electrode interface, in particular the ionic liquid | electrode interface.

In addition we provide support for customers within and outside PSI.

Research Team

  • Thomas J. Schmidt, head
  • Dino Aegerter
  • Casey Beall
  • Anthony Boucly (LEC+LUC)
  • Piyush Chauhan
  • Emiliana Fabbri
  • Meriem Fikry
  • Natasha Hales
  • Adrian Heinritz
  • Juan Herranz
  • Jinzhen Huang
  • Jiyun Kwen
  • Julia Linke
  • Seçil Ünsal Dayanık
  • Maximilian Winzely
  • Paul Leidinger
  • Juliana Bruneli Falqueto
Grouppicture LEC5423_11-2021

Recent Publications

For previous publications see the Publications Annual

 

  • Interplay between Surface-Adsorbed CO and Bulk Pd Hydride at CO2-Electroreduction Conditions J.S. Diercks, J. Herranz, M. Georgi, N. Diklić, P. Chauhan, K. Ebner, A.H. Clark, M. Nachtegaal, A. Eychmüller and T.J. SchmidtACS Catalysis, 12(17), 10727-10741 (2022)DOI: 10.1021/acscatal.2c02660
  • CO2 Electroreduction on Unsupported PdPt Aerogels: Effects of Alloying and Surface Composition on Product Selectivity J.S. Diercks, M. Georgi, J. Herranz, N. Diklic, P. Chauham, A.H. Clark, R. Hübner, A. Faisnel, Q. Chen, M. Nachtegaal, A. Eychmüller, and T.J. SchmidtACS Applied Energy Materials, 5(7), 8460-8471 (2022)DOI: 10.1021/acsaem.2c00987
  • Potential Pitfalls in the Operando XAS study of Oxygen Evolution Electrocatalysis N. Diklic, A.H. Clark, J. Herranz, J.S. Diercks, D. Aegerter, M. Nachtegaal, A. Beard,  and T.J. SchmidtACS Energy Letters, 7(5), 1735-1740 (2022)DOI: 10.1021/acsenergylett.2c00727
  • Time-resolved Potential-Induced Changes in Fe/N/C-Catalysts Studies by In-Situ Modulation Excitation X-Ray Absorption Spectroscopyy K. Ebner, A.H. Clark, V.A. Saveleva, G. Smolentsev, J. Chen, L. Ni, A. Zitolo, F. Jaouen, G.I.Kramm, T.J. Schmidt, and J. HerranzAdvanced Energy Materials, 12(14), 2103699 (2022)DOI: 10.1002/aenm.202103699
  • Influence of low-temperature electrolyser design on economic and environmental potential of co and hcooh production: a techno-economic assessment B. Pribyl-Kranewitter, A. Beard, C.L. Gijiu, D. Dinculescu, T.J. SchmidtRenewable and Sustainable Energy Reviews, 154, 111807 (2022)DOI: 10.1016/j.rser.2021.111807
  • Enlightening the Journey of Metal Organic Framework (derived) Catalysts during the Oxygen Evolution Reaction in Alkaline Media via Operando X-ray Absorption Spectroscopy J. Linke, T. Rohrbach, M. Ranocchiari, T.J. Schmidt, Emiliana Fabbri T.J. SchmidtCurrent Opinion in Electrochemistry, 30, 100845 (2021)DOI: 10.1016/j.coelec.2021.100845
  • Asymmetric Butler-Volmer kinetics of the Electrochemical Ce (III)/(IV) Redox Couple on Polycrystalline Au Electrodes in Sulfuric Acid and the Dissociation field effect A. Heinritz, T. Binninger, A. Patru, T.J. SchmidtACS Catalysis, 11, 8140-8154 (2021)DOI: 10.1021/acscatal.0c04587
  • An Online GAS Chromatography Cell Setup for Accurate CO2-Electroreduction Product Quantification J.S. Diercks, B. Pribyl-Kranewitter, P. Chauhan, J. Herranz, , T.J. SchmidtJ. Electrochem. Soc. 168(6), 064804 (2021)DOI: 10.1149/ 1945-7111/ac0363
  • Potential-Induced Spin Changes in Fe/N/C Electrocatalysts Assessed by In Situ X-ray Emission Spectrocopy V.A. Saveleva, K. Ebner, L. Ni, G. Smolentsev, D. Klose, A. Zitolo, E. Marelli, J. Li, M. Medarde, O.V. Safonova, M. Nachtegaal, F. Jaouen, U.I. Kramm, T.J. Schmidt, J. HerranzAngewandte Chemie  133(21), 11813-11818 (2021)DOI: 10.1002/ange.202016951
  • Investigation and Optimization of Operating Conditions for Low-Temperature CO2 Reduction to CO in a Forward-Bias Bipolar-Membrane Electrolyzer B. Pribyl-Kranewitter, A. Patru, T. Schuler, N. Diklic, T.J. SchmidtJ. Electrochem. Soc. 168(4), 043506 (2021)DOI: 10.1149/1945-7111/abf063
  • Perovskite Oxide Based Electrodes for the Oxygen Reduction and Evolution Reactions: The Underlying Mechanism C.E. Beall, E. Fabbri, T.J. SchmidtACS Catalysis, 11(5), 3094-3114 (2021)DOI: 10.1021/acscatal.0c04473
  • 57 Fe-Enrichment effect on the composition and performance of Fe-based O 2-reduction electrocatalysts K.Ebner, L. Ni, V.A. Saveleva, B.P. Le Monnier, A.H. Clark, F. Krumeich, M. Nachtegaal, J.S. Luterbacher, U.I. Kramm, T.J. Schmidt, J. HerranzPhys. Chem. Chem. Phys., 23(15), 9147-9157 (2021)DOI:  10.1039/D1CP00707F
  • Oxygen evolution reaction activist and underlying mechanism of perovskite electrocatalysts at different pH B.J. Kim, E. Fabbri, M. Borlaf, D.F. Abbott, I.E. Castelli, M. Nachtegaal, T. Graule, T.J. SchmidtMater. Adv. 2, 445-455 (2021)DOI: 10.1039/D0MA00661K
  • Effect of Cobalt Speciation and the Graphitization of the Carbon Matrix on the CO2 Electroreduction Activity of Co/N-Doped Carbon Materials K. Iwase, K. Ebner, J.S. Diercks, V.A. Saveleva, S. Ünsal, F. Krumeich, T. Harada, I. Honma, S. Nakanishi, K. Kamiya, T.J. Schmidt, J. HerranzACS Applied Materials / Interfaces  13(13), 15122-15131 (2021)DOI: 10.1021/acsami.0c21920
  • Tuning the Co Oxidation State in Ba0.5Sr0.5Co0.8Fe0.2O3-d by Flame Spray Synthesis Towards High Oxygen Evolution Reaction Activity D. Aegerter, M. Borlaf, E. Fabbri, A.H. Clark, M. Nachtegaal, T. Graule, T.J. SchmidtCatalysts  10, 984 (2020)DOI: 10.3390/catal10090984
  • Co-Electrolysis of CO2 and H2O: from Electrode Reactions to Cell Level Developement J. Herranz, A. Patru, E. Fabbri, T.J. SchmidtCurrent Opinion in Electrochemistry  23, 89-95 (2020)DOI: 10.1016/j.coelec.2020.05.004

      Former Group Members

      Nataša Diklić 2018-2022 Novamem
      Justus Sebastian Diercks 2018-2022 Freudenberg
      Bernhard Pribyl-Kranewitter 2017-2021 Kearney
      Alexandra Patru 2013-2020 Sensirion
      Kathrin Ebner 2017-2020 Bauhaus Luftfahrt
      Viktoriia Saveleva 2018-2020 ESRF - European Synchrotron
      Mauro Povia 2015 - 2019 Ecxelsus Structural Solutions
      Daniel Abbott 2015 - 2019 ETH Zurich
      Baejung (Joseph) Kim 2015 - 2019 Hyundai Mobis
      Daniele Perego 2017 - 2019  
      Anastasia A. Permyakova 2014 - 2018 ABB
      Xi Cheng 2014 - 2017 PSI - Thin films and interfaces
      Susan Taylor 2014 - 2017 RD Graphene
      Tobias Binninger 2012 - 2017 NCCR Marvel
      Simon Tschupp 2013 - 2017 Axetris 
      Sandra Temmel 2012 - 2016 Elring Klinger
      Yohan Paratcha 2014 - 2016  
      Annett Rabis 2011 - 2015  
      Julien Durst 2014 - 2015 Air Liquide
      Kay Waltar 2013 - 2015 ETH Zürich
      Anja Habereder 2013 - 2014  
      Mehtap Özaslan 2012 - 2014 Carl von Ossietzky Universität Oldenburg
      Rüdiger Kötz 1989 - 2014 Elsevier
      Moritz Hantel 2010 - 2013 SABIC
      Daniel Weingarth 2010 - 2013 INM Leibniz Institute for New Materials
      Jorge Ferreira de Araújo 2012 - 2013 Technische Universität Berlin
      Annette Foelske-Schmitz 2004 - 2013 Technische Universität Wien
      Paramaconi Rodriguez 2011 - 2012 University of Birmingham
      Yuri Sasaki 2010 - 2011 Toyota Central R&D Laboratories, Inc.
      Anastasia Peitz 2008 - 2011 ABB Schweiz AG, Micafil, Klingnau
      Dario Cericola 2008 - 2011 TIMCAL Ltd, Bodio
      Patrick Ruch 2005 - 2009 IBM Research Lab. Zürich
      Jörg Wambach 2007 - 2009 LBK (PSI)
      François Loviat 2007 - 2008 Sulzer Ltd
      Jean-Claude Sauter 2001 - 2007 RUAG Aerospace
      Matthias Hahn 1999 - 2007 EL-Cell GmbH
      Olivier Barbieri 2003 - 2006 Spare Parts Operations Manager at Cartier
      Flavio Campana 2001 - 2005 Cendres+Métaux SA
      Carolin Stoessel-Sittig 2002 - 2004  
      Bernhard Schnyder 1991 - 2004 Micro Crystal, Div. of ETA SA
      Martin Baertschi 1999 - 2001  
      Martin Baertsch 1995 - 2001 Swissmedic
      Dario Aliatta 1997 - 2000 Rudolph Technologies
      Artur Braun 1996 - 1999 EMPA
      Pascal Haering 1994 - 1998 Renata SA
      Melanie Sullivan 1992 - 1996  
      Rainer Michaelis 1993 - 1995 Praxis für Musik-/Klangtherapie
      Cesar Barbero 1989 - 1994 Universidad Nacional de Rio Cuarto
      Maria C. Miras 1989 - 1994 Universidad Nacional de Rio Cuarto

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      Group Head
      Prof. Thomas J. Schmidt
      Paul Scherrer Institut
      CH-5232 Villigen PSI
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      Phone: +41 56 310 57 65
      Fax: +41 56 310 44 15
      E-mail: thomasjustus.schmidt@psi.ch


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      Cordelia Gloor
      Phone: +41 56 310 29 19
      E-mail: cordelia.gloor@psi.ch
       
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