Glass–ceramic Li2S–P2S5 electrolytes prepared by a single step ball billing process and their application for all-solid-state lithium–ion batteries |
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| Authors: | James Trevey Jum Suk Jang Yoon Seok Jung Conrad R. Stoldt Se-Hee Lee |
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| Affiliation: | aDepartment of Mechanical Engineering, University of Colorado, ECME 275, Boulder, CO, USA |
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| Abstract: | We report that glass–ceramic Li2S–P2S5 electrolytes can be prepared by a single step ball milling (SSBM) process. Mechanical ball milling of the xLi2S·(100 − x)P2S5 system at 55 °C produced crystalline glass–ceramic materials exhibiting high Li-ion conductivity over 10−3 S cm−1 at room temperature with a wide electrochemical stability window of 5 V. Silicon nanoparticles were evaluated as anode material in a solid-state Li battery employing the glass–ceramic electrolyte produced by the SSBM process and showed outstanding cycling stability. |
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| Keywords: | Glass– ceramic Mechanical ball milling Li-ion conductivity Si nanoparticle Lithium– ion battery |
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