Communication — Fracture behavior of single LiNi0.33Mn0.33Co0.33O2 particles studied by flat punch indentation

Dingying Dang; Yikai Wang; Yang Tse Cheng

doi:10.1149/2.0331913jes

Communication — Fracture behavior of single LiNi_0.33Mn_0.33Co_0.33O₂ particles studied by flat punch indentation

Dingying Dang, Yikai Wang, Yang Tse Cheng

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

The fracture of lithium nickel manganese cobalt oxide (NMC) particles can affect the electrochemical performance and manufacturing process of NMC electrodes. Here, we report the fracture behavior of single LiNi_0.33Mn_0.33Co_0.33O₂ (NMC111) secondary particles studied by flat punch indentation. The critical load corresponding to the fracture of NMC111 secondary particles increases with increasing particle size, while the fracture strength is unaffected by the size of the secondary particles. Particles at the first delithiation and lithiation states have significantly lower critical load and fracture strength than the pristine ones, suggesting that electrochemical cycling strongly affects the mechanical integrity of NMC111 secondary particles.

Original language	English
Pages (from-to)	A2749-A2751
Journal	Journal of the Electrochemical Society
Volume	166
Issue number	13
DOIs	https://doi.org/10.1149/2.0331913jes
State	Published - 2019

Bibliographical note

Publisher Copyright:
© 2019 The Electrochemical Society.

Funding

This work is supported by the National Science Foundation Award No. 1355438 and the U.S. Department of Energy Battery Materials Research (BMR) Program under Contract Number DE-EE0007787.

Funders	Funder number
BMR Genomics	DE-EE0007787
Vehicle Technologies Office of the U.S. Department of Energy Battery Materials Research
National Science Foundation (NSF)	1355438

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Materials Chemistry
Surfaces, Coatings and Films
Electrochemistry
Renewable Energy, Sustainability and the Environment

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1149/2.0331913jes

Cite this

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abstract = "The fracture of lithium nickel manganese cobalt oxide (NMC) particles can affect the electrochemical performance and manufacturing process of NMC electrodes. Here, we report the fracture behavior of single LiNi0.33Mn0.33Co0.33O2 (NMC111) secondary particles studied by flat punch indentation. The critical load corresponding to the fracture of NMC111 secondary particles increases with increasing particle size, while the fracture strength is unaffected by the size of the secondary particles. Particles at the first delithiation and lithiation states have significantly lower critical load and fracture strength than the pristine ones, suggesting that electrochemical cycling strongly affects the mechanical integrity of NMC111 secondary particles.",

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