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Rapid posttreatment of powder aerosol deposited garnet-type lithium ion conductor films using LED radiation

Title data

Schneider, Jürgen ; Kita, Jaroslaw ; Moos, Ralf:
Rapid posttreatment of powder aerosol deposited garnet-type lithium ion conductor films using LED radiation.
Event: 98. DKG-Jahrestagung , 27.03.-30.03.2023 , Jena.
(Conference item: Conference , Speech )

Project information

Project title:
Project's official title
Project's id
Pulveraerosolbasierte Kaltabscheidung keramischer Schichten: optisch induzierte thermische Nachbehandlung zur Wiederherstellung der Funktionseigenschaften
KI 1260/4-1

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

The Powder Aerosol Deposition (PAD) is a novel coating technique for producing dense films from a wide range of ceramic materials. Since the deposition takes part at room temperature, the coating of heat sensitive substrates such as polymers is possible. During the deposition process, ceramic particles impact onto the substrate surface and break into nanocrystalline fragments. However, this mechanism of film formation may cause a decrease in the functional properties of the ceramics, such as the electrical conductivity. Thermal annealing enables to restore the functional properties. This posttreatment is usually carried out by time and energy intensive oven processes. A novel approach utilizes high power light emitting diodes (LED) for the annealing process. The garnet-type lithium ion conductor Al0.2Li6.025La3Zr1.625Ta0.375O12 (ALLZTO) was synthesized and deposited using PAD. The electrical conductivity of the PAD layers was increased by more than a decade in less than two minutes under LED irradiation. Screen-printed temperature sensors were employed to determine the temperature evolvement during the posttreatment process.

Further data

Item Type: Conference item (Speech)
Refereed: Yes
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
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 11 Apr 2023 05:58
Last Modified: 11 Apr 2023 05:58