Single-step ball milling synthesis of highly Li+ conductive Li5.3PS4.3ClBr0.7 glass ceramic electrolyte enables low-impedance all-solid-state batteries

Marvin Cronau; Marvin Szabo; Bernhard Roling

doi:10.1039/D1MA00784J

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Single-step ball milling synthesis of highly Li⁺ conductive Li_5.3PS_4.3ClBr_0.7 glass ceramic electrolyte enables low-impedance all-solid-state batteries†

Marvin Cronau,^a Marvin Szabo^a and Bernhard Roling

*^a

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* Corresponding authors

^a Department of Chemistry, Philipps-Universität Marburg, Hans-Meerwein-Strasse 4, Marburg, Germany
E-mail: roling@staff.uni-marburg.de

Abstract

A single-step high-energy ball milling process was used for the synthesis of a Li_5.3PS_4.3ClBr_0.7 glass ceramic. This material exhibits a Li⁺ conductivity of 5.2 mS cm⁻¹, the highest value reported so far at room temperature for a Li⁺ solid electrolyte pellet prepared without any annealing step. We demonstrate the utilization of this electrolyte in an all-solid-state battery exhibiting a composite cathode impedance of only 5 Ω cm² at room temperature.

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Article information

DOI: https://doi.org/10.1039/D1MA00784J
Article type: Communication
Submitted: 31 Aug 2021
Accepted: 04 Nov 2021
First published: 11 Nov 2021
This article is Open Access

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Mater. Adv., 2021,2, 7842-7845

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Single-step ball milling synthesis of highly Li⁺ conductive Li_5.3PS_4.3ClBr_0.7 glass ceramic electrolyte enables low-impedance all-solid-state batteries

M. Cronau, M. Szabo and B. Roling, Mater. Adv., 2021, 2, 7842 DOI: 10.1039/D1MA00784J

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