Journal
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
Volume 121, Issue 1419, Pages 946-949Publisher
CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
DOI: 10.2109/jcersj2.121.946
Keywords
Solid electrolyte; Young's modulus; Elastic modulus; Sulfide glass; All-solidstate battery; Hot press
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Elastic modulus is an important factor of solid electrolytes for an all-solid-state battery as a next-generation battery. In this study, Young's moduli of dense pellets of the Li2S-P2S5 glass solid electrolytes prepared by room temperature pressing and hot pressing were investigated. The Young's moduli of Li2S-P2S5 hot-pressed pellets measured by ultrasonic sound velocity measurements were 18-25 GPa and those of cold-pressed pellets were about 14-17 GPa. The compression test was also done to determine Young's modulus. The Young's modulus of Li2S-P2S5 glasses increased with increasing the Li2S content in both hot press and cold press pellets. The Young's moduli were lower than those of oxide based solid electrolytes. (C)2013 The Ceramic Society of Japan. All rights reserved.
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