يعرض 1 - 20 نتائج من 125,589 نتيجة بحث عن '"Dégradation"', وقت الاستعلام: 0.46s تنقيح النتائج
  1. 1
    Dissertation/ Thesis

    المؤلفون: Coll Martínez, Bernat

    المساهمون: University/Department: Universitat Ramon Llull. Departament de Bioenginyeria

    Thesis Advisors: Crosas Navarro, Bernat, Faijes Simona, Magda

    المصدر: TDX (Tesis Doctorals en Xarxa)

    Time: 616.9

    وصف الملف: application/pdf

  2. 2
    Dissertation/ Thesis

    المؤلفون: García Elvira, David

    المساهمون: University/Department: Universitat Rovira i Virgili. Departament d'Enginyeria Electrònica, Elèctrica i Automàtica

    Thesis Advisors: Valderrama Blavi, Hugo, Cid Pastor, Angel

    المصدر: TDX (Tesis Doctorals en Xarxa)

    Time: 621.3

    وصف الملف: application/pdf

  3. 3
    Dissertation/ Thesis

    المؤلفون: Pérez-Peinado, Clara

    المساهمون: University/Department: Universitat Pompeu Fabra. Departament de Ciències Experimentals i de la Salut

    Thesis Advisors: Andreu Martínez, David

    المصدر: TDX (Tesis Doctorals en Xarxa)

    وصف الملف: application/pdf

  4. 4
    Dissertation/ Thesis

    المؤلفون: Ben Mbarek, Wael

    المساهمون: University/Department: Universitat de Girona. Departament de Física

    Thesis Advisors: Suñol Martínez, Joan Josep, Khitouni, Mohamed, Université de Sfax

    المصدر: TDX (Tesis Doctorals en Xarxa)

    وصف الملف: application/pdf

  5. 5
    Dissertation/ Thesis

    المساهمون: University/Department: Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica

    Thesis Advisors: Cuadras Tomàs, Àngel

    المصدر: TDX (Tesis Doctorals en Xarxa)

    Time: 621.3

    وصف الملف: application/pdf

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    Dissertation/ Thesis

    المؤلفون: Miralles i Broto, Joan Jordi

    المساهمون: University/Department: Universitat Pompeu Fabra. Departament de Comunicació

    Thesis Advisors: Pintor Iranzo, Ivan

    المصدر: TDX (Tesis Doctorals en Xarxa)

    وصف الملف: application/pdf

  9. 9
    Dissertation/ Thesis

    المؤلفون: Bahillo Varela, José

    المساهمون: University/Department: Universitat Internacional de Catalunya. Departament d'Odontologia

    Thesis Advisors: Roig Cayón, Miguel, Krejci, Ivo

    المصدر: B 26835 - 2015
    TDX (Tesis Doctorals en Xarxa)

    Time: 616.3

    وصف الملف: application/pdf

  10. 10
    Academic Journal

    المصدر: Journal of Power Sources, 630, Art.-Nr.: 236084 ; ISSN: 0378-7753

    مصطلحات موضوعية: Perovskite-based electrodes have gained interest as alternatives to Ni-cermet fuel electrodes in solid oxide electrolysis cells (SOECs). This study investigates strontium-iron-titanate (STF) as a potential all-ceramic fuel electrode for SOECs. The chemical stability of pure STF during SOEC operating conditions at open circuit voltage (OCV) and the chemical reactivity between STF and yttria-stabilized zirconia (YSZ) under manufacturing and operation conditions are analyzed. The pure STF appears to be quite stable during SOEC operation. However, the STF and YSZ electrolyte powder mixture shows chemical interaction during manufacturing and operation conditions, confirming the need for a barrier layer between those two materials. Furthermore, the electrochemical performance of electrolyte-supported symmetrical and full cells is tested at different temperatures (650–800 °C) and steam concentrations (3–90 % H2O). A mid-term degradation test in steam electrolysis operation for ca. 1700 h is carried out under thermoneutral conditions (i = −0.43 A cm−2) at 800 °C in 50 % H2O + 50 % H2. A low Rp degradation rate (0.162 Ω cm2 kh−1) for the investigated cell containing STF fuel electrode is obtained. However, the increasing ohmic resistance during the operational period caused an overpotential increase with a rate of 195 mV kh−1. Finally, post-test analyses showed sufficient chemical stability, representing STF as a potential candidate as fuel electrode in SOECs, ddc:620, Engineering & allied operations, info:eu-repo/classification/ddc/620

    وصف الملف: application/pdf

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    Academic Journal
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  15. 15
    Academic Journal

    المساهمون: Centre for Materials and Processes (CERI MP - IMT Nord Europe), Ecole nationale supérieure Mines-Télécom Lille Douai (IMT Nord Europe), Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT), Département Technologie des Polymères et Composites & Ingénierie Mécanique (TPCIM), École des Mines de Douai (Mines Douai EMD), Institut Mines-Télécom Paris (IMT)-Institut Mines-Télécom Paris (IMT)-Ministère de l'Économie, des Finances et de l'Industrie Paris, France, Institut Mines-Télécom Paris (IMT), Ecole nationale supérieure Mines-Télécom Lille Douai (IMT Lille Douai)

    المصدر: ISSN: 0263-8223 ; Composite Structures ; https://hal.science/hal-04709824 ; Composite Structures, 2025, 351, pp.118546. ⟨10.1016/j.compstruct.2024.118546⟩.

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    Dissertation/ Thesis
  17. 17
    Dissertation/ Thesis

    المؤلفون: Ripollés Sanchis, Teresa

    المساهمون: University/Department: Universitat Jaume I. Departament de Física

    Thesis Advisors: Garcia Belmonte, Germà, Guerrero Castillejo, Antonio

    المصدر: TDX (Tesis Doctorals en Xarxa)

    وصف الملف: application/pdf

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