Voltage and partial pressure dependent defect chemistry in (La,Sr)FeO3–δ thin films investigated by chemical capacitance measurements

Autor: Schmid, Alexander, Rupp, Ghislain M., Fleig, Jürgen

Publikováno v: Physical Chemistry Chemical Physics

Chemical capacitance measurements are used to study the defect chemistry of La0.6Sr0.4FeO3–δ thin films and their polarization (η) and pO2 dependence. Important point defects are oxygen vacancies (), electrons (e′) and holes (h˙).
La0.6Sr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::9ddbb8d200019b945ba42f1c059c20eb
http://europepmc.org/articles/PMC5932982

Operando X-ray investigation of electrode/electrolyte interfaces in model solid oxide fuel cells

Autor: Volkov, Sergey, Vonk, Vedran, Khorshidi, Navid, Franz, Dirk, Kubicek, Markus, Kilic, Volkan, Felici, Roberto, Huber, Tobias M., Navickas, Edvinas, Rupp, Ghislain M., Fleig, Juergen, Stierle, Andreas

Publikováno v: 'Chemistry of Materials ', vol: 28, pages: 3727-3733 (2016)
Chemistry of Materials
Chemistry of Materials, American Chemical Society, 2016, 28 (11), pp.3727-3733. ⟨10.1021/acs.chemmater.6b00351⟩
Chemistry of materials 28(11), 3727-3733 (2016). doi:10.1021/acs.chemmater.6b00351

International audience; We employed operando anomalous surface X-ray diffraction to investigate the buried interface between the cathode and the electrolyte of a model solid oxide fuel cell with atomic resolution. The cell was studied under different

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::454f5cd9a4ea3c4f7d97428b0fb9e916
https://epn-library.esrf.fr/flora/jsp/index_view_direct_anonymous.jsp?record=doc:PUB_ESRF:44615

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The Chemical Evolution of the La0.6Sr0.4CoO3−δ Surface Under SOFC Operating Conditions and Its Implications for Electrochemical Oxygen Exchange Activity.

Autor: Opitz, Alexander K., Rameshan, Christoph, Kubicek, Markus, Rupp, Ghislain M., Nenning, Andreas, Götsch, Thomas, Blume, Raoul, Hävecker, Michael, Knop-Gericke, Axel, Rupprechter, Günther, Klötzer, Bernhard, Fleig, Jürgen

Publikováno v: Topics in Catalysis; Dec2018, Vol. 61 Issue 20, p2129-2141, 13p, 4 Diagrams, 1 Chart, 6 Graphs