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The role of the Aerosol Deposition process on the film properties of Li₇La₃Zr₂O₁₂ thick-films

Titelangaben

Hanft, Dominik ; Moos, Ralf:
The role of the Aerosol Deposition process on the film properties of Li₇La₃Zr₂O₁₂ thick-films.
2017
Veranstaltung: 12th Pacific Rim Conference on Ceramic and Glass Technology (PACRIM 12) , 21.-26. Mai 2017 , Waikoloa, Hawaii, USA.
(Veranstaltungsbeitrag: Kongress/Konferenz/Symposium/Tagung , Vortrag )

Abstract

The Aerosol Deposition Method (ADM) is a unique process to prepare dense ceramic films at room temperature and may be applied for thick-films where the depositing material can be hardly processed to dense films. A quite advanced but promising application for AD is in the field of ion conducting solid electrolytes for new battery systems. Solid electrolytes are believed to be the key for batteries with high specific capacities and are of strong scientific interest at the moment. The advantage of the oxide garnet-type Li₇La₃Zr₂O₁₂ (LLZO) is its high ionic conductivity in conjunction with its chemical stability. For a suitable mechanical stability, the obtained electrolyte films should be thick enough. For that reason, the film conductivity should be as high as possible. In any case, for this application the film has to be free of defects in order to prevent short-circuiting. ADM might have the potential to manufacture dense ceramic films that meet these needs. In this contribution, we show electrical properties of Li+-ion conducting LLZO films fabricated by ADM. Using different methods for analysis, e.g. high temperature X-Ray diffraction as well as electrochemical impedance spectroscopy we correlate morphological and electrical properties of films and compare it to bulk material properties of cubic LLZO to resolve the effect of the processing technology on the film performance.

Weitere Angaben

Publikationsform: Veranstaltungsbeitrag (Vortrag)
Begutachteter Beitrag: Ja
Zusätzliche Informationen: Vortrag: PACRIM-S14-026-2017, PACRIM Symposium 14: Novel Spray Coatings
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Funktionsmaterialien > Lehrstuhl Funktionsmaterialien - Univ.-Prof. Dr.-Ing. Ralf Moos
Profilfelder > Advanced Fields > Neue Materialien
Forschungseinrichtungen > Forschungszentren > Bayreuther Materialzentrum - BayMAT
Forschungseinrichtungen > Forschungsstellen > ZET - Zentrum für Energietechnik
Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Funktionsmaterialien
Profilfelder
Profilfelder > Advanced Fields
Forschungseinrichtungen
Forschungseinrichtungen > Forschungszentren
Forschungseinrichtungen > Forschungsstellen
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 07 Jun 2017 06:34
Letzte Änderung: 07 Jun 2017 06:34
URI: https://eref.uni-bayreuth.de/id/eprint/37430