Anhydrous LiNbO3 Synthesis and Its Application for Surface Modification of Garnet Type Li-Ion Conductors
ECS Meeting Abstracts, vol. MA2022-02, pp. 635
Abstract
In our work we demonstrate a facile, water-free synthesis of amorphous lithium niobate (LiNbO3) layers. Our developed method also enables the coating of substrates in inert atmosphere with simple, industrial scalable methods. As verification, a 120 nm thin LiNbO3 layer was deposited on the garnet type lithium ion conductor Li6.45Al0.05La3Zr1.6Ta0.4O12 (LLZTO) to improve its interface to lithium metal and reduce dendrite formation. The application of the thin film reduced the interface resistance between LLZTO and lithium metal to 1.02(13) Ω∙cm2 and was able to suppress dendrite formation for current densities of up to 0.5 mA/cm2. The chemical stability of the LiNbO3 thin film in contact with Li-metal was verified by SEM, XPS and ToF-SIMS.
Authors 7
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Affiliation as printed
IEK-1, Forschungszentrum Jülich GmbH
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Affiliation as printed
RWTH Aachen University
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Affiliation as printed
IEK-1, Forschungszentrum Jülich GmbH
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Affiliation as printed
IEK-1, Forschungszentrum Jülich GmbH
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Manfred Martin Aachen
Affiliation as printed
RWTH Aachen University
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Affiliation as printed
IEK1, Forschungszentrum Jülich GmbH
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Affiliation as printed
IEK-1, Forschungszentrum Jülich GmbH
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