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Nanomechanical Quantification of Elastic, Plastic, and Fracture Properties of LiCoO 2
Author(s) -
Qu Meng,
Woodford William H.,
Maloney John M.,
Carter W. Craig,
Chiang YetMing,
Van Vliet Krystyn J.
Publication year - 2012
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.201200107
Subject(s) - materials science , nanoindentation , fracture toughness , grain boundary , indentation , crystallite , composite material , elastic modulus , lithium (medication) , fracture (geology) , metallurgy , microstructure , medicine , endocrinology
Young's elastic modulus, hardness, and fracture toughness (K Ic ) of individual grains are reported for polycrystalline LiCoO 2 , a metal oxide cathode used in lithium‐ion batteries, as measured via instrumented nanoindentation (indentations within circled locations; dashed line indicates grain boundary). The wide range of K Ic does not correlate strongly with grain orientation.
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