Energy landscape for Li-ion diffusion in the garnet-type solid electrolyte Li6.5La3Zr1.5Nb0.5O12 (LLZO-Nb)-Reference-Cited by-同舟云学术

Energy landscape for Li-ion diffusion in the garnet-type solid electrolyte Li_6.5La₃Zr_1.5Nb_0.5O₁₂ (LLZO-Nb)

Published:2022-05-24 Issue:6 Volume:77 Page:453-462
ISSN:0932-0776
Container-title:Zeitschrift für Naturforschung B
language:en
Short-container-title:

Author:

Strangmüller Stefan¹^ORCID,Avdeev Maxim²³,Baran Volodymyr⁴,Walke Patrick⁵,Kirchberger Anna⁵,Nilges Tom⁵,Senyshyn Anatoliy¹

Affiliation:

1. Research Neutron Source Heinz Maier-Leibnitz (FRM II), Technical University of Munich , Lichtenbergstrasse 1, 85748 Garching , Germany

2. Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation , New Illawarra Rd, Lucas Heights NSW 2234 , Sydney , Australia

3. School of Chemistry , University of Sydney , NSW 2006 , Sydney , Australia

4. Deutsches Elektronen-Synchrotron (DESY) , Notkestrasse 85 , 22607 Hamburg , Germany

5. Department of Chemistry , Synthesis and Characterization of Innovative Materials Group, Technical University of Munich , Lichtenbergstrasse 4 , 85748 Garching , Germany

Abstract

Abstract A comprehensive understanding of the nexus of diffusion mechanisms on the atomic scale as well as structural influences on the ionic motion in solid electrolytes is key for further development of high-performing all-solid-state batteries. Therefore, current research not only focuses on the search for innovative materials, but also on the study of diffusion pathways and ion dynamics in ionic conductors. In this context, we report on the extended characterization of the ionic electrolyte Li6.5La3Zr1.5Nb0.5O12 (LLZO-Nb). The commercially available material is analyzed by a combination of powder X-ray (either lab- or synchrotron-based) and neutron diffraction. Details of lithium disorder were obtained from high-resolution neutron diffraction data, from which the ionic transport of Li ions was determined by applying the maximum entropy method in combination with the one-particle potential formalism.

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/znb-2022-0068/pdf

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