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Compliant Yet Brittle Mechanical Behavior of Li 2 S–P 2 S 5 Lithium‐Ion‐Conducting Solid Electrolyte
Author(s) -
McGrogan Frank P.,
Swamy Tushar,
Bishop Sean R.,
Eggleton Erica,
Porz Lukas,
Chen Xinwei,
Chiang YetMing,
Van Vliet Krystyn J.
Publication year - 2017
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201602011
Subject(s) - materials science , nanoindentation , brittleness , fracture toughness , electrolyte , composite material , amorphous solid , fast ion conductor , toughness , lithium (medication) , elastic modulus , ion , modulus , crystallography , medicine , chemistry , physics , electrode , quantum mechanics , endocrinology
Young's modulus, hardness, and fracture toughness are measured by instrumented nanoindentation for an amorphous Li 2 S–P 2 S 5 Li‐ion solid electrolyte. Although low elastic modulus suggests accommodation of significant chemomechanical strain, low fracture toughness can facilitate brittle crack formation in such materials.
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