Syed, Asif, Ansar und Ilhan, Zynep und Richter, Waldemar (2006) Synthesis and properties of nano-structured SOFC anode deposits. In: Conference Proceedings. High Technology Plasma Processes (HTPP9), 2006-05-29 - 2006-06-04, St. Petersburg, Russia.
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Kurzfassung
Nanostructured YSZ+Ni cermet anode functional layers for SOFC were developed by plasma spraying. Spray processing was optimized by controlling plasma enthalpy and velocity in order to obtain well distributed finely porous nanostructured deposits exhibiting high gas permeability, suitable high temperature electronic conductivity, enhanced triple phase boundaries and catalytic activity. The results were compared with conventional NiO+YSZ and Ni-C+YSZ anodes. YSZ electrolyte layer was deposited onto the anodes for electrochemical testing at 800°C in static conditions. Impedance spectroscopy measurements were performed to collect data on polarization resistance and catalytic behavior of anode layers. It was established that enlarged reaction zone, provided by high specific surface area of nanostructured anodes, and finely porous microstructure, led to lower activation and concentration polarizations and enhanced cell performance by more than 60% compared to conventional cells.
elib-URL des Eintrags: | https://elib.dlr.de/46688/ | ||||||||||||||||
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Dokumentart: | Konferenzbeitrag (Vortrag, Paper) | ||||||||||||||||
Titel: | Synthesis and properties of nano-structured SOFC anode deposits | ||||||||||||||||
Autoren: |
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Datum: | 30 Mai 2006 | ||||||||||||||||
Erschienen in: | Conference Proceedings | ||||||||||||||||
Referierte Publikation: | Nein | ||||||||||||||||
Open Access: | Nein | ||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||
In SCOPUS: | Nein | ||||||||||||||||
In ISI Web of Science: | Nein | ||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||
Stichwörter: | SOFC, Anode, Nanostructure, Impedance Spectroscopy, Electronic Conductivity, Electrochemical Testing. | ||||||||||||||||
Veranstaltungstitel: | High Technology Plasma Processes (HTPP9) | ||||||||||||||||
Veranstaltungsort: | St. Petersburg, Russia | ||||||||||||||||
Veranstaltungsart: | internationale Konferenz | ||||||||||||||||
Veranstaltungsbeginn: | 29 Mai 2006 | ||||||||||||||||
Veranstaltungsende: | 4 Juni 2006 | ||||||||||||||||
HGF - Forschungsbereich: | Energie | ||||||||||||||||
HGF - Programm: | Rationelle Energieumwandlung (alt) | ||||||||||||||||
HGF - Programmthema: | E BZ - Brennstoffzellen (alt) | ||||||||||||||||
DLR - Schwerpunkt: | Energie | ||||||||||||||||
DLR - Forschungsgebiet: | E BZ - Brennstoffzellen | ||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | E - Hochtemperatur-Brennstoffzellen (alt) | ||||||||||||||||
Standort: | Stuttgart | ||||||||||||||||
Institute & Einrichtungen: | Institut für Technische Thermodynamik > Elektrochemische Energietechnik | ||||||||||||||||
Hinterlegt von: | Arnold, Dr.-Ing. Johannes | ||||||||||||||||
Hinterlegt am: | 14 Mai 2007 | ||||||||||||||||
Letzte Änderung: | 24 Apr 2024 19:08 |
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