Compliant Yet Brittle Mechanical Behavior of Li₂S–P₂S₅ Lithium-Ion-Conducting Solid Electrolyte
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McGrogan_AEM2017-DSpace.pdf
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Author(s)
McGrogan, Frank Patrick
Swamy, Tushar
Bishop, Sean
Eggleton, Erica E
Porz, Lukas W.
Chen, Xinwei
Chiang, Yet-Ming
Van Vliet, Krystyn J
Date Issued
June 2017
Journal
Advanced Energy Materials
Publisher
Wiley Blackwell
Citation
McGrogan, Frank P. et al. “Compliant Yet Brittle Mechanical Behavior of Li₂S–P₂S₅ Lithium-Ion-Conducting Solid Electrolyte.” Advanced Energy Materials 7, 12 (January 2017): 1602011 © 2017 WILEY-VCH
Version
Author's final manuscript
Abstract
Young's modulus, hardness, and fracture toughness are measured by instrumented nanoindentation for an amorphous Li₂S–P₂S₅ 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.
MIT Department
Massachusetts Institute of Technology. Department of Biological Engineering
Massachusetts Institute of Technology. Department of Materials Science and Engineering
Massachusetts Institute of Technology. Department of Mechanical Engineering
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
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DOI of Published Version
https://doi.org/10.1002/aenm.201602011
