We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Amorphous solid electrolytes in the system Li<sub>2</sub>S-Al<sub>2</sub>S<sub>3</sub>-SiS<sub>2</sub> prepared by mechanical milling.
- Authors
Hayashi, Akitoshi; Fukuda, Takahiro; Morimoto, Hideyuki; Minami, Tsutomu; Tatsumisago, Masahiro
- Abstract
Amorphous solid electrolytes in the ternary system Li2S-Al2S3-SiS2 were successfully prepared by mechanical milling. The ambient temperature conductivity of the 60Li2S·10AlS1.5·30SiS2 (mol%) sample reached over 10-4 S cm-1 with amorphization by mechanical milling for 40 h. The binary Li2S-Al2S3 amorphous electrolytes, which have not been synthesized by a conventional melt-quenching technique, were also obtained by mechanical milling. The 60Li2S·40AlS1.5 (mol%) amorphous electrolyte exhibited lower conductivity and higher activation energy for conduction than the 60Li2S·40SiS2 (mol%) amorphous electrolyte. The addition of SiS2 to Li2S-Al2S3 system monotonically increased electrical conductivity and decreased activation energy for conduction. The amorphous 60Li2S·10AlS1.5·30SiS2 material showed favorable features as a solid electrolyte such as unity of lithium ion transport number and wide electrochemical window.
- Subjects
ELECTROLYTES; MECHANICAL alloying; MECHANICAL chemistry; ELECTRIC conductivity; SOLID state batteries; METAL powders; POWDER metallurgy; MATERIALS science
- Publication
Journal of Materials Science, 2004, Vol 39, Issue 16/17, p5125
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1023/B:JMSC.0000039195.62847.38