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  Ceria nanoparticles as promoters of CO2 electroreduction on Ni/YSZ: An efficient preparation strategy and insights into the catalytic promotion mechanism

Chen, D., Barreau, M., Turczyniak-Surdacka c, S., Sobczak, K., Strawski, M., Salle, A. L. G. L., et al. (2022). Ceria nanoparticles as promoters of CO2 electroreduction on Ni/YSZ: An efficient preparation strategy and insights into the catalytic promotion mechanism. Nano Energy, 101: 107564. doi:10.1016/j.nanoen.2022.107564.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-000A-CADA-D Versions-Permalink: https://hdl.handle.net/21.11116/0000-000F-1C01-1
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Chen Nano Energy main rev.docx (beliebiger Volltext), 7MB
 
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 Urheber:
Chen, Dingkai1, Autor
Barreau, Mathias1, Autor
Turczyniak-Surdacka c, Sylwia2, Autor
Sobczak, Kamil2, Autor
Strawski, Marcin 2, 3, Autor
Salle, Annie Le Gal La4, Autor
Efimenko, Anna5, 6, Autor
Teschner, Detre7, 8, Autor           
Petit, Corinne1, Autor
Zafeiratos, Spyridon 1, Autor
Affiliations:
1Institut de Chimie et Procédés pour l′Energie, l′Environnement et la Santé, UMR 7515 du CNRS-UdS, 25 Rue Becquerel, Strasbourg, 67087, France, ou_persistent22              
2Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, Warsaw, 02-089, Poland, ou_persistent22              
3Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093, Poland, ou_persistent22              
4Nantes Université, CNRS, Institut des Matériaux de Nantes Jean Rouxel, IMN, Nantes, F-44000, France, ou_persistent22              
5Interface Design, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), Albert-Einstein-Str. 15, Berlin, 12489, Germany, ou_persistent22              
6Energy Materials In-situ Laboratory Berlin (EMIL), Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), Albert-Einstein-Str. 15, Berlin, 12489, Germany, ou_persistent22              
7Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
8Max-Planck-Institut für Chemische Energiekonversion (MPI-CEC), Stiftstrasse 34-36, Mülheim a.d. Ruhr, D-45470, Germany, ou_persistent22              

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 Zusammenfassung: Since many decades nickel yttria-stabilized zirconia cermet (Ni/YSZ) has been the most frequently used fuel electrode material for high temperature solid oxide cells (SOCs). However, in recent years there has been considerable effort to improve the Ni/YSZ performance through surface engineering. In this work, we report a simple strategy to apply nanosized un-doped (CeOx) and Ni-doped (NiCeOy) ceria particles into porous Ni/YSZ cermet electrodes viainfiltration from hexane solution. Detailed characterization of the particles in their solution revealed differences in the ease of agglomeration, with NiCeOynanoparticles being better dispersed and thus forming smaller aggregates. This property is critical for the effectiveness of the solution in filling the pores of Ni/YSZ cermet and the consequent ceria deposition. In particular, morphological and microstructural characterization reveals that NiCeOy nanoparticles decorate uniformly the pores of Ni/YSZ backbone, deep up to the interface with the electrolyte. More importantly, this can be done with relatively high ceria loading per infiltration/co-firing step. Electrochemical tests demonstrate that infiltrated Ni/YSZ fuel electrodes have improved I-V performance in CO2 electrolysis as compared to pristine Ni/YSZ. Synchrotron-based operando NAP-XPS experiments using both soft and tender X-rays revealed the formation of an ultrathin Ni-Ce3+ layer on the electrode surface, which can rationalize the ameliorated CO2 electrolysis performance.

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Sprache(n): eng - English
 Datum: 2022-06-162022-01-132022-06-302022-07-022022-10
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.nanoen.2022.107564
 Art des Abschluß: -

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Titel: Nano Energy
  Andere : Nano Energy
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Amsterdam : Elsevier
Seiten: - Band / Heft: 101 Artikelnummer: 107564 Start- / Endseite: - Identifikator: ISSN: 2211-2855
CoNE: https://pure.mpg.de/cone/journals/resource/2211-2855