Preparation of Li 2 S–P 2 S 5  Amorphous Solid Electrolytes by Mechanical Milling | Zendy

Hayashi Akitoshi | Zendy; Hama Shigenori | Zendy; Morimoto Hideyuki | Zendy; Tatsumisago Masahiro | Zendy; Minami Tsutomu | Zendy

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Preparation of Li 2 S–P 2 S 5 Amorphous Solid Electrolytes by Mechanical Milling

Author(s) -

Hayashi Akitoshi,

Hama Shigenori,

Morimoto Hideyuki,

Tatsumisago Masahiro,

Minami Tsutomu

Publication year - 2001

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/j.1151-2916.2001.tb00685.x

Subject(s) - amorphous solid , materials science , fast ion conductor , electrolyte , activation energy , solid solution , quenching (fluorescence) , lithium (medication) , chemical engineering , conductivity , analytical chemistry (journal) , mineralogy , crystallography , metallurgy , chemistry , electrode , organic chemistry , medicine , physics , quantum mechanics , engineering , fluorescence , endocrinology

Amorphous solid electrolytes in the Li 2 S–P 2 S 5 system were prepared successfully from a mixture of crystalline Li 2 S and P 2 S 5 , using a mechanical milling technique. The amorphous‐forming region was extended to higher Li 2 S compositions by mechanical milling, compared with melt quenching. The pelletized samples of the 75Li 2 S·25P 2 S 5 (on a mole‐percent basis) amorphous powders obtained by mechanical milling for 20 h exhibited high conductivity (2 × 10 −4 S/cm at room temperature) and an activation energy for conduction of 34 kJ/mol. The lithium‐ion transport number of the amorphous powders was almost unity.

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