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Title: Compliant Yet Brittle Mechanical Behavior of Li2S-P2S5 Lithium-Ion-Conducting Solid Electrolyte

Abstract

Here, 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.

Authors:
 [1];  [2];  [3];  [1];  [4];  [5];  [1];  [6]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Materials Science & Engineering
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Mechanical Engineering
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Materials Science & Engineering; Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Nuclear Science and Engineering
  4. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Materials Science & Engineering; Technische Univ. Darmstadt, Darmstadt (Germany). Inst. of Materials Science
  5. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Materials Science & Engineering; Inst. of Materials Research and Engineering (Singapore)
  6. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Materials Science & Engineering; Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Biological Engineering
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1533073
Alternate Identifier(s):
OSTI ID: 1401266
Grant/Contract Number:  
SC0002633
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Energy Materials
Additional Journal Information:
Journal Volume: 7; Journal Issue: 12; Journal ID: ISSN 1614-6832
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; chemistry; energy & fuels; materials science; physics; fracture toughness; Li-ion conductors; mechanical properties; solid electrolytes; sulfides

Citation Formats

McGrogan, Frank P., Swamy, Tushar, Bishop, Sean R., Eggleton, Erica, Porz, Lukas, Chen, Xinwei, Chiang, Yet-Ming, and Van Vliet, Krystyn J. Compliant Yet Brittle Mechanical Behavior of Li2S-P2S5 Lithium-Ion-Conducting Solid Electrolyte. United States: N. p., 2017. Web. doi:10.1002/aenm.201602011.
McGrogan, Frank P., Swamy, Tushar, Bishop, Sean R., Eggleton, Erica, Porz, Lukas, Chen, Xinwei, Chiang, Yet-Ming, & Van Vliet, Krystyn J. Compliant Yet Brittle Mechanical Behavior of Li2S-P2S5 Lithium-Ion-Conducting Solid Electrolyte. United States. doi:10.1002/aenm.201602011.
McGrogan, Frank P., Swamy, Tushar, Bishop, Sean R., Eggleton, Erica, Porz, Lukas, Chen, Xinwei, Chiang, Yet-Ming, and Van Vliet, Krystyn J. Mon . "Compliant Yet Brittle Mechanical Behavior of Li2S-P2S5 Lithium-Ion-Conducting Solid Electrolyte". United States. doi:10.1002/aenm.201602011. https://www.osti.gov/servlets/purl/1533073.
@article{osti_1533073,
title = {Compliant Yet Brittle Mechanical Behavior of Li2S-P2S5 Lithium-Ion-Conducting Solid Electrolyte},
author = {McGrogan, Frank P. and Swamy, Tushar and Bishop, Sean R. and Eggleton, Erica and Porz, Lukas and Chen, Xinwei and Chiang, Yet-Ming and Van Vliet, Krystyn J.},
abstractNote = {Here, 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.},
doi = {10.1002/aenm.201602011},
journal = {Advanced Energy Materials},
number = 12,
volume = 7,
place = {United States},
year = {2017},
month = {1}
}

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Cited by: 27 works
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