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Tristan Asset

Chargé de recherche

Research Institute: Institut de Chimie et Procédés pour l'Énergie, l'Environnement et la Santé (ICPEES), UMR CNRS 7515

Research group: Electrochimie et Conversion d’Energie.

Office: Bâtiment R3, N2

Laboratory: Bâtiment R3, N1; R5, N1.

Keywords: Electrocatalysis; CO2 Reduction Reaction, Oxygen Reduction Reaction, Nitrogen Reduction Reaction; Nanomaterials

Research topics

  • Ammonia synthesis by electrochemical reduction of dinitrogen, including (i) modifying the electrocatalyst // electrolyte design and reactant nature to tune the N2 reduction selectivity; (ii) designing next-generation electrocatalysts for the N2 reduction (Ni-based structures, bifunctional electrocatalysts).
  • The assessment of the electrocatalyst // electrolyte interface properties by the coupling (i) microscopy or physico-chemical methods and (ii) electrochemistry.

Past experience

  • October 2020 – September 2021: Postdoctoral scholar at the university of Montpellier, in Frédéric Jaouen’s group on the CO2 reduction reaction in ‘zero-gap’ electrolyzers and the design of noble metal-free and ultra-low noble metal containing electrocatalysts for the oxygen reduction reaction and the hydrogen oxidation reaction.
  • January 2018 – September 2020: Postdoctoral scholar and lab manager at the university of New Mexico and the university of California Irvine, in Plamen Atanassov’s group on the CO2 reduction reaction on metal-free electrocatalysts, the oxygen reduction reaction on Pt-based electrocatalysts and the nitrogen reduction reaction.
  • October 2017 – December 2017: Research engineer in the laboratory of electrochemistry and physicochemistry of materials and interfaces (LEPMI), in Marian Chatenet’s group, on the functionalization of carbonaceous materials for PEMFCs applications.
  • October 2014 – September 2017: PhD student at university of Grenoble and university of Liège, under the supervision of Laëtitia Dubau, Nathalie Job and Frédéric Maillard, on the design and characterization of advanced Pt-based electrocatalysts for the oxygen reduction reaction.

Selected publications

  • K. Kumar, T. Asset, X. Li, Y. Liu, X. Yan, Y. Chen, M. Mermoux, X. Pan, P. Atanassov, F. Maillard, L. Dubau, “Fe-N-C Electrocatalysts’ Durability: Effects of Single Atoms’ Mobility and Clustering”, ACS Catal. (2021) 11, 484−494, DOI: 10.1021/acscatal.0c04625
  • T. Asset, P. Atanassov, “Surface Chemistry, Morphology and Reactivity of Iron-Nitrogen-Carbon Catalysts for Proton Exchange Membrane Fuel Cells”, Joule, 4 (2020), 33-44, DOI: 10.1016/j.joule.2019.12.002
  • T. Asset, S. T. Garcia, S. Herrera, N. Andersen, Y. Chen, E. J. Petersen, I. Matanovic, K. Artyushkova, J. Lee, S. D. Minteer, S. Dai, X. Pan, K. Chavan, S. C. Barton, P. Atanassov, “Investigating the Nature of the Active Sites for the CO2 Reduction Reaction on Carbon-Based Electrocatalysts”, ACS Catal. 9 (2019) 7668 – 7678, DOI: 10.1021/acscatal.9b01513
  • T. Asset, R. Chattot, F. Maillard, L. Dubau, Y. Ahmad, N. Batisse, M. Dubois, K. Guérin, F. Labbé, R. Metkemeijer, S. Berthon-Fabry, M. Chatenet, “Activity and Durability of Platinum-Based Electrocatalysts Supported on Bare or Fluorinated Nanostructured Carbon Substrates”, J. Electrochem. Soc., 165 (6) (2018) F3346-F3358. DOI: 10.1149/2.031806jes
  • T. Asset, N. Job, Y. Busby, A. Crisci, V. Martin, V. Stergiopoulos, C. Bonnaud, A. Serov, V. Martin, R. Chattot, N. Job, L. Dubau, F. Maillard, “Porous Hollow PtNi/C Electrocatalysts: Carbon Support Considerations to Meet Performance and Stability Requirements”, ACS Catal., 8 (2018) 893-903. DOI: 10.1021/acscatal.7b03539

Michel Mermoux   

Journal articles1 document

  • Kavita Kumar, Tristan Asset, Xiaoyan Li, Yuanchao Liu, Xingxu Yan, et al.. Fe-N-C Electrocatalysts' Durability: Effects of Single Atoms' Mobility and Clustering. ACS Catalysis, American Chemical Society, 2020, pp.484-494. ⟨10.1021/acscatal.0c04625⟩. ⟨hal-03092479⟩