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Application of Eutectic Ceramic Mixtures for the Functional Components of HT-SOFC

Title data

Gerk, Christian ; Willert-Porada, Monika:
Application of Eutectic Ceramic Mixtures for the Functional Components of HT-SOFC.
In: MRS Proceedings. Vol. 496 (January 1998) . - pp. 179-184.
ISSN 1946-4274
DOI: https://doi.org/10.1557/PROC-496-179

Official URL: Volltext

Abstract in another language

A novel design for a high temperature SOFC, based on lamellar electrode-electrolyte segments obtained by solidification of an oxidic eutectic melt on an electrolyte substrate is presented. Such “composite” electrodes contain NiO or MnO - 8Y-ZrO2 lamellae, which after reduction / oxidation yield electrode-electrolyte lamellae with 1–2 μm width and a vertical dimension of> 100 μm, depending upon the amount of eutectic melt solidified on a polycrystalline substrate. The nucleation of the eutectic on a polycrystalline substrate followed by a semi-directional crystallization of the two phases yields a gradient of 3-phase boundaries over the height of such an electrode, with the number of 3-phase boundaries increasing towards the substrate.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Ehemalige Professoren > Chair Materials Processing - Univ.-Prof. Dr. Monika Willert-Porada
Faculties
Faculties > Faculty of Engineering Science > Ehemalige Professoren
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 21 Jun 2017 09:27
Last Modified: 21 Jun 2017 09:27
URI: https://eref.uni-bayreuth.de/id/eprint/11774