EcatalytiX

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L'électrocatalyse est la pierre angulaire du développement des technologies capables de convertir l'énergie électrique provenant de sources renouvelables intermittentes en produits chimiques de base et en carburants et, réciproquement, de transformer des carburants verts en énergies renouvelables. Dans cette optique, les réactions électrocatalytiques, telles que l'oxydation et la réduction électrochimique de l'eau, l'oxydation de l'hydrogène ou la réduction du dioxyde de carbone et de l'oxygène, sont toutes d'une importance cruciale.

Le symposium EcatalytiX vise à faire un état des lieux des techniques actuelles et à venir, basées sur les faisceaux de rayons-X ou d'électrons, permettant d’observer ces réactions dans des conditions aussi proches que possible de leur fonctionnement. Réunissant des scientifiques de toute l'Europe, ce symposium ambitionne de définir les lignes directrices qui permettront de répondre aux questions suivantes :

Comment les approches couplant spectroscopie et/ou microscopie électronique et électrochimie vont-elles évoluer, et quelles sont les principales limites et verrous auxquelles elles sont aujourd’hui confrontées (e.g., résolution temporelle, effet du faisceau, analyse multiéchelle)
Que peut-on apprendre des systèmes modèles étudiés par des méthodes operando qui puissent être appliqués aux systèmes électrocatalytiques à grande échelle ? Par ailleurs, comment combiner des systèmes électrochimiques industriels, tels que des électrolyseurs ou des piles à combustibles aux techniques d’analyse des grands instruments ?

Ce symposium sera l’endroit idéal pour rencontrer simultanément des scientifiques de ligne, des microscopistes et des électrochimistes, afin de découvrir les dernières avancées techniques du domaine et la forme que prendra son futur.

Veuillez noter que le nombre de participants est limité et que le principe du premier arrivé, premier servi sera appliqué.

Nous nous réjouissons de vous voir à Strasbourg afin de contribuer à cette conférence ambitieuse.

Calendrier :
Date limite communication orale (17 janvier 2024) : cloturé
Date limite posters (9 février 2024) : cloturé
Date limite Inscription et contributions conférencier invitées (23 février 2024) : cloturé

Wednesday, April 3^rd, 2024

12:00 - 13:00	Registration & Coffee
13:00 – 13:30	Welcome / Introduction
Session 1: State-of-the-art techniques: where are we standing? Chair: Juan Velasco-Velez
13:30 - 14:00	Invited Talk - Emiliana Fabbri (PSI, Switzerland) Title: to be confirmed
14:00 – 14:20	Martina Ruscher (Fritz-Haber Institute, Germany) Title: Insights from Operando QXAFS and PCA for the Pulsed eCO2RR using Cu-based Bimetallic Catalysts
14:20 – 14:40	Meryem Ennaji (ICGM, France) Title: Operando X-Ray Scattering for Electrocatalysis and Beyond
14:40 – 15:00	Marc F. Tesch (Max Planck Institute, Germany) Title: Spectroscopic and Electrochemical Considerations for in situ and operando Soft X-ray Photon-in–Photon-out Spectroelectrochemistry
15:00 – 15:30	Coffee Break
15:30 – 16:00	Elected Talk - Rebecca Pittkowski (Copenhagen University, Denmark) Title: Structure of carbon-supported nanoparticle electrocatalysts probed with operando X-ray scattering
16:00 – 16:20	Raul Garcia-Diez (Helmholtz-Zentrum Berlin, Germany) Title: Mechanistic studies of electrocatalysts for hydrogen economy exploiting X-ray absorption spectroscopy under operating conditions
16:20 – 16:40	Fabio Diongi (TUB, Germany) Title: Structural Transformations in NiFe Layer Double Hydroxide and Ni (Oxy)hydroxides under Operating Conditions for Oxygen Evolution
16:40 – 17:00	Maria Letizia De Marco (IPCMS, France) Title: Liquid TEM Study of Cu and CuPd Thin Films for Nitrate Electroreduction
17:00 – 17:45	Round table: Current Challenges in Operando Studies Chairs: Tristan Asset and Benedikt Lassalle-Kaiser
17:45 – 20:00	Poster Session and Alsatian Cocktail

Thursday, April 4^th, 2024

Session 2: Model systems Chair: Nathaly Ortiz
8:30 - 9:30	Invited Talk - Marie-Ingrid Richard (CEA, France) Title: to be confirmed
9:00 – 9:20	Changwei Liu (ICIQ, Spain) Title: Amine-mediated Electroreduction of CO2 to Formic Acid and CO by COFbpyMn Single-site Catalyst in Aqueous Media
9:20 – 9:40	Hassan Javed (Leiden Institute of Chemistry, The Netherlands) Title: Spectro-Electrochemical Examination of Pt Electrocatalysis Using In-Situ NAP-XPS
9:40 – 10:00	Marco Fontana (Politecnico di Torino Italy) Title: Towards Operando Transmission Electron Microscopy in aqueous electrolytes: optimized liquid flow configuration
10:00 – 10:30	Coffee Break
10:30 – 11:00	Elected Talk - Sheena Louisia (Leiden Institute of Chemistry, The Netherlands) Title: Resolving the gold-electrolyte interface using in situ X-ray photoelectron spectroscopy
11:00 – 11:20	Yvonne Soldo-Olivier (Institut Neel, France) Title: The Charge Distribution At Electrochemical Interfaces Probed With In Situ Surface Resonant X-ray Diffraction
11:20 – 11:40	Guixiang Huang (Max Planck Institute, Germany) Title: Liquid TEM Study of Cu and CuPd Thin Films for Nitrate Electroreduction
11:40 – 12:00	Frédéric Maillard (LEPMI, France) Title: Seeing Inside Palladium Hydrides with X-rays
12:00 - 14:30	Lunch
Session 3: Emerging techniques and challenges: where are we going? Chair: Ovidiu Ersen
14:30 – 15:00	Invited Talk - See Wee Chee (Fritz Haber Institute, Germany) Title: Bridging the Nanoscale and the Ensemble through Correlated Operando X-ray Microscopy Experiments
15:00 – 15:20	Chunyang Zhang (McMaster University, Canada) Title: In Situ Studies of Copper Catalysts for Electrochemical CO2 Reduction by Soft X-ray Spectro-microscopic Characterization
15:20 – 15:40	Giulio Cordano (Université Paris-Saclay, France) Title: In Situ Hydration Study of Proton Conductor Electrolytes Using a High-Throughput Approach
15:40 – 16:00	Romualdus E. Wibowo (Helmholtz-Zentrum Berlin, Germany) Title: Unravelling the Oxidation Behaviour of Phosphorus Impurities in HT-PEMFCs via In Situ Tender X-ray Spectroscopy at the Pt \| Aqueous H3PO3 Interface
16:00 – 16:30	Coffee Break
16:30 – 17:00	Elected Talk - Andrea Martini (Fritz-Haber Institute, Germany) Title: Tracking the evolution of Ni-based single atom catalysts for the CO2 electroreduction reaction: an operando XAS/XES study assisted by machine learning techniques
17:00 – 17:45	Round table: Future Challenges of Operando Studies Chairs: Elena Savinova and Jakub Drnec
19:00 - 22:00	Dinner in downtown Strasbourg

Friday, April 5^th, 2024

Session 4: Applied and industrial systems Chair: Clément Sanchez
8:30 – 9:00	Invited Talk - Andrea Zitolo (Soleil, France) Title: Bridging Discovery to Application: Utilizing Synchrotron Techniques in Electrocatalysis
9:00 – 9:20	Raphaël Chattot (ICGM, France) Title: Paradigm Shift of Platinum Oxidation Below Fuel Cell Open-Circuit Voltage
9:20 – 9:40	Matthew Mayer (Helmholtz-Zentrum Berlin, Germany) Title: An Operando Zero-Gap MEA Cell for Combined Spectroscopy, Diffraction, and Imaging, Applied to the Study of Ion Effects in CO2 Electrolysis
9:40 – 10:00	Andrea Russell (University of Southampton, United Kingdom) Title: Operando X-ray Studies of Gas Evolving and Consuming Electrocatalysts
10:00 – 10:30	Coffee Break
10:30 – 11:00	Elected Talk - Jens Osiewacz (Clausthal University of Technology, Germany) Title: Electrolyte Distribution in Silver Gas Diffusion Electrodes for Electrochemical CO2 Reduction Measured by Operando Synchrotron Tomography
11:00 – 11:20	Marie-Sophie Fernandes-Diaz (Soleil, France) Title: Electrochemical and structural study of NiRu_x heterofunctional catalysts for the alkaline HER
11:20 – 11:40	Enrico Berretti (CNR-ICCOM, Italy) Title: Set-Ups For In-Operando X-ray Absorption Spectroscopy/Electrochemistry In Half-Cell And Fuel-Cell Configurations: The Case Study Of Palladium Deactivation In Direct Alcohol Fuel Cells
11:40 – 12:00	Bertrand Roussillo-David de Beaufort (CEA, France) Title: Characterizing Microstructure and Gas Transport Properties of Electrospun Gas Diffusion Layers in Proton Exchange Membrane Fuel Cells through High-Resolution Imagery
12:00 - 14:30	Concluding Remarks, Followed by Lunch

Invited speakers

Emiliana Fabbri, Paul Scherrer Institute, Villingen, Switzerland

The academic carrier of Emiliana has driven her throughout the Globe, from the University of Rome Tor Vergata, to the University of Florida, the National Institute for Material Sciences in Japan and, finally, PSI. Since her arrival at PSI in 2012, she has been developing her expertise, not only on the synthesis of materials for energy storage and conversion, but also on analysis tools required to understand them, such as operando X-ray photoelectron and absorption spectroscopy coupled to electrochemistry. She recently received a SNSF PRIMA grant on this topic, specifically on materials design for water electrolysis and the associated advanced characterization methods and new design principles. She is also one of the group leaders within the NCCR MARVEL centre that aims to accelerate the design and discovery of novel materials. From January 2024, she is co-group leader of the Electrocatalysis and Interfaces group of the Electrochemistry Laboratory at PSI.

Marie-Ingrid Richard, Center for Atomic and Alternative Energies, France

Marie-Ingrid’s professional dream is to look at the crystallographic properties of single nanoparticles under operando conditions, a goal which is closely intertwined with synchrotron methods and the development of their optics and brilliance. The recent upgrade of the ESRF synchrotron brought this dream one step closer to fruition, and, through her long-lasting collaboration with the ID01 beamline at ESRF and her recent ERC consolidator grant (CARINE), she is now able to contemplate the detailed crystallographic behaviour of single nanostructures (e.g. < 200 nm single platinum nanoparticles) under different operating conditions. At the same time, with her team, she is developing tools to facilitate data analysis and combine her operando measurements with simulations and, altogether, build a complete picture of how nanostructured systems behave during catalysis.

Andrea Zitolo, Synchrotron SOLEIL, Saint-Aubin, France

Andrea graduated from the Sapienza University of Rome, starting from his early carrier to use synchrotron-based techniques such as X-ray absorption spectroscopy in the field of coordination chemistry. His professional journey led him to France, where he is currently working as a beamline scientist at the Synchrotron SOLEIL. His most notable contributions to the field are found within the understanding of the structural and electronic properties of complex materials (such as metal-nitrogen-doped carbon catalysts) for energy applications by operando X-ray absorption spectroscopy with the help of theoretical modelling approaches. Within the SPECTROSCOPE ANR project that he coordinates since 2020, Andrea aims to move operando analysis toward the assessment of more realistic interfaces, designing fuels cells and electrolyzers compatible with X-ray based spectroscopies.

See Wee Chee, Fritz-Haber Institute of the Max Planck Society, Berlin, Germany

The expertise of See Wee lies in what is often considered as one of the most challenging operando techniques, i.e., transmission electron microscopy combined with electrochemistry, that he uses to track the dynamics at the nanoscale of electrocatalysts for energy applications. His work is not limited to understanding electrocatalytic systems through operando characterization with electron microscopy, but also in the development of tools to facilitate data analysis (e.g., automated image processing, analysis of low electron-dose, poor signal-to-noise images, etc.) and its combination with other analytical methods (such as X-ray microscopy). See Wee held research positions in universities in the US (University of Illinois at Urbana Champaign, Arizona State University, Rensselaer Polytechnic Institute) and Singapore (National University of Singapore), and in industrial companies (Hummingbird Scientific, USA) before taking up his current position at the FHI-MPG.