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Speedy Synthesis of Li2S–P2S5–LiI Solid Electrolyte Precursors

Abstract

A one-pot synthesis of Li2S–P2S5–LiI solid electrolyte precursors in a short time of 30 min is demonstrated by using ethyl propionate as solvent. Li2S, P2S5 and LiI powders were shaking with balls for different time in the solvent. The precursor suspension is evacuated at room temperature (RT) and then heated to 170 °C for 2 h to obtain Li7-0.08xP2S8-0.04xI solid electrolytes. A high ionic conductivity up to 4.6 × 10-4 S cm-1 at RT is achieved with x = 1 and 45 min of shaking time. The formation of electrolyte precursors in 30 minutes is the shortest time that has ever been reported.

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Publication details

The article was received on 21 Jun 2017, accepted on 04 Aug 2017 and first published on 10 Aug 2017


Article type: Research Article
DOI: 10.1039/C7QI00353F
Citation: Inorg. Chem. Front., 2017, Accepted Manuscript
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    Speedy Synthesis of Li2S–P2S5–LiI Solid Electrolyte Precursors

    H.H. P. Nguyen, T. Yamamoto, H. Muto and A. Matsuda, Inorg. Chem. Front., 2017, Accepted Manuscript , DOI: 10.1039/C7QI00353F

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