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

Title data

Hanft, Dominik ; Moos, Ralf:
The role of the Aerosol Deposition process on the film properties of Li₇La₃Zr₂O₁₂ thick-films.
2017
Event: 12th Pacific Rim Conference on Ceramic and Glass Technology (PACRIM 12) , 21.-26. Mai 2017 , Waikoloa, Hawaii, USA.
(Conference item: Conference , Speech )

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Abstract in another language

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.

Further data

Item Type: Conference item (Speech)
Refereed: Yes
Additional notes: Vortrag: PACRIM-S14-026-2017, PACRIM Symposium 14: Novel Spray Coatings
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 07 Jun 2017 06:34
Last Modified: 07 Jun 2017 06:34
URI: https://eref.uni-bayreuth.de/id/eprint/37430