Ionic conductivity of melt-frozen LiBH4 films

J. Trück; E. Hadjixenophontos; Yug Joshi; G. Richter; P. Stender; G. Schmitz

doi:10.1039/C9RA06821J

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Ionic conductivity of melt-frozen LiBH₄ films†

J. Trück,^a E. Hadjixenophontos,

^ab Yug Joshi,

^a G. Richter,^c P. Stender^a and G. Schmitz*^a

Author affiliations

* Corresponding authors

^a University of Stuttgart, Department of Materials Science, Chair of Materials Physics, Heisenbergstrasse 3, 70569 Stuttgart, Germany
E-mail: Guido.Schmitz@mp.imw.uni-stuttgart.de

^b Institute of Engineering Thermodynamics, German Aerospace Centre (DLR), Pfaffenwaldring 38-40, 70569 Stuttgart, Germany

^c MPI for Intelligent Systems Stuttgart, Heisenbergstrasse 3, 70569 Stuttgart, Germany

Abstract

The fast Li conductivity of LiBH₄ envisages its use in all-solid-state batteries. Powders are commonly applied. But here, we study the formation of dense micrometer films by melting, spinning and subsequent solidifying. Characterized by electron microscopy, and spectroscopy (EDX/XPS/impedance), a reversible phase transformation is confirmed as well as a maximum conductivity of 10³ S cm⁻¹.

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Article information

DOI: https://doi.org/10.1039/C9RA06821J
Article type: Paper
Submitted: 28 Aug 2019
Accepted: 05 Nov 2019
First published: 27 Nov 2019
This article is Open Access

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RSC Adv., 2019,9, 38855-38859

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Ionic conductivity of melt-frozen LiBH₄ films

J. Trück, E. Hadjixenophontos, Y. Joshi, G. Richter, P. Stender and G. Schmitz, RSC Adv., 2019, 9, 38855 DOI: 10.1039/C9RA06821J

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