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Powder Aerosol Deposition as a Method to ProduceGarnet-Type Solid Ceramic Electrolytes : A Study on Electrochemical Film Properties and Industrial Applications

Title data

Nazarenus, Tobias ; Sun, Yanyan ; Exner, Jörg ; Kita, Jaroslaw ; Moos, Ralf:
Powder Aerosol Deposition as a Method to ProduceGarnet-Type Solid Ceramic Electrolytes : A Study on Electrochemical Film Properties and Industrial Applications.
In: Energy Technology. Vol. 9 (2021) Issue 7 . - No. 2100211.
ISSN 2194-4296
DOI: https://doi.org/10.1002/ente.202100211

Official URL: Volltext

Project information

Project title:
Project's official titleProject's id
Skalierbare, kostengünstige Fertigungstechnologien für Kompositkathoden und Elektrolytseparatoren in Festkörperbatterien (ARTEMYS)03XP0114K

Project financing: Bundesministerium für Bildung und Forschung

Abstract in another language

Cyclable lithium batteries with a lithium metal anode are of great interest for future mobile and stationary applications due to their high potential energy density. To suppress lithium dendrite formation and growth, solid electrolytes (all-solid-state-batteries) are an alternative for liquid electrolytes. Compared with all other solid electrolytes, the ceramic lithium garnet solid electrolyte Li7La3Zr2O12 (LLZO) features a high thermal, electrochemical, and chemical stability. Due to its nonflammable nature, it is beneficial for battery cell safety. Despite major research efforts, an industrially applicable process route to produce the ceramic solid electrolyte has not been identified yet. Herein, film fabrication at room temperature of Al0.2Li6.025La3Zr1.625Ta0.375O12 (ALLZTO) via powder aerosol deposition (PAD) on a scalable apparatus is investigated. In addition to the description of synthesis and process conditions regarding industrial scalability, the sprayed 30 μm-thick PAD films are examined optically and electrochemically in half cells and symmetrical cells with lithium metal electrodes. By categorizing the process data and the electrochemical results compared with common reported production methods, a statement about the suitability for the industrial production of ceramic solid electrolytes using PAD is provided.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: cycle stabilities; industrial applications; lithium metal electrodes; Li₇La₃Zr₂O₁₂ powder aerosol deposition method
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 Centres > Bayerisches Zentrum für Batterietechnik - BayBatt
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 09 Aug 2021 11:52
Last Modified: 16 Sep 2021 08:55
URI: https://eref.uni-bayreuth.de/id/eprint/65512