Effect of overcharge on Li(Ni0.5Mn0.3Co0.2)O2/graphite lithium ion cells with poly(vinylidene fluoride) binder. III — Chemical changes in the cathode

Javier Bareño; Nancy Dietz Rago; Fulya Dogan; Donald G. Graczyk; Yifen Tsai; Seema R. Naik; Sang Don Han; Eungje Lee; Zhijia Du; Yangping Sheng; Jianlin Li; David L. Wood; Leigh Anna Steele; Joshua Lamb; Scott Spangler; Christopher Grosso; Kyle Fenton; Ira Bloom

doi:10.1016/j.jpowsour.2017.12.061

Effect of overcharge on Li(Ni_0.5Mn_0.3Co_0.2)O₂/graphite lithium ion cells with poly(vinylidene fluoride) binder. III — Chemical changes in the cathode

Javier Bareño, Nancy Dietz Rago, Fulya Dogan, Donald G. Graczyk, Yifen Tsai, Seema R. Naik, Sang Don Han, Eungje Lee, Zhijia Du, Yangping Sheng, Jianlin Li, David L. Wood, Leigh Anna Steele, Joshua Lamb, Scott Spangler, Christopher Grosso, Kyle Fenton, Ira Bloom

Emerging and Solid-State Batteries

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

32 Scopus citations

Abstract

1.5 Ah pouch cells based on Li(Ni_0.5Mn_0.3Co_0.2)O₂ cathodes and graphite anodes, both containing poly (vinylidene fluoride) (PVDF) binders, were systematically overcharged to 100, 120, 140, 160, 180, and 250% state of charge (SOC), at which point they vented. The cells were subsequently discharged to 0% SOC and disassembled under an inert atmosphere for characterization. A combination of X-ray photoelectron spectroscopy (XPS), scanning-electron microscopy (SEM), energy-dispersive spectroscopy (EDS), ⁶Li SSNMR, and X-ray diffraction (XRD) analysis of the NMC532 cathodes indicates the formation of a thin C- and O-rich cathode electrolyte interphase layer, progressive Li loss above 140% SOC, and retention of the bulk crystal structure at all states of charge.

Original language	English
Pages (from-to)	165-171
Number of pages	7
Journal	Journal of Power Sources
Volume	385
DOIs	https://doi.org/10.1016/j.jpowsour.2017.12.061
State	Published - May 1 2018

Funding

The work at Oak Ridge National Laboratory, managed by UT Battelle, LLC, for the U.S. Department of Energy (DOE) under contract DE-AC05-00OR22725 , was sponsored by the Office of Energy Efficiency and Renewable Energy (EERE) Vehicle Technologies Office, Applied Battery Research . Sandia National Laboratories is a multi-mission laboratory managed and operated by National Technology and Engineering Solutions of Sandia LLC, a wholly owned subsidiary of Honeywell International Inc. for the U.S. Department of Energy's National Nuclear Security Administration (NNSA) under contract DE-NA0003525. We gratefully acknowledge support from the U. S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy, Vehicle Technologies Office . Argonne National Laboratory is operated for DOE Office of Science by UChicago Argonne, LLC, under Contract No. DE-AC02-06CH11357 .

Funders	Funder number
U. S. Department of Energy
U.S. Department of Energy	DE-AC05-00OR22725
Battelle
Office of Energy Efficiency and Renewable Energy
National Nuclear Security Administration	DE-NA0003525
Oak Ridge National Laboratory
Sandia National Laboratories

Keywords

Lithium ion batteries
NMR
Overcharge
SEM
XPS
XRD

UN SDGs

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

Access to Document

10.1016/j.jpowsour.2017.12.061

Cite this

Bareño, J., Dietz Rago, N., Dogan, F., Graczyk, D. G., Tsai, Y., Naik, S. R., Han, S. D., Lee, E., Du, Z., Sheng, Y., Li, J., Wood, D. L., Steele, L. A., Lamb, J., Spangler, S., Grosso, C., Fenton, K., & Bloom, I. (2018). Effect of overcharge on Li(Ni_0.5Mn_0.3Co_0.2)O₂/graphite lithium ion cells with poly(vinylidene fluoride) binder. III — Chemical changes in the cathode. Journal of Power Sources, 385, 165-171. https://doi.org/10.1016/j.jpowsour.2017.12.061

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title = "Effect of overcharge on Li(Ni0.5Mn0.3Co0.2)O2/graphite lithium ion cells with poly(vinylidene fluoride) binder. III — Chemical changes in the cathode",

abstract = "1.5 Ah pouch cells based on Li(Ni0.5Mn0.3Co0.2)O2 cathodes and graphite anodes, both containing poly (vinylidene fluoride) (PVDF) binders, were systematically overcharged to 100, 120, 140, 160, 180, and 250% state of charge (SOC), at which point they vented. The cells were subsequently discharged to 0% SOC and disassembled under an inert atmosphere for characterization. A combination of X-ray photoelectron spectroscopy (XPS), scanning-electron microscopy (SEM), energy-dispersive spectroscopy (EDS), 6Li SSNMR, and X-ray diffraction (XRD) analysis of the NMC532 cathodes indicates the formation of a thin C- and O-rich cathode electrolyte interphase layer, progressive Li loss above 140% SOC, and retention of the bulk crystal structure at all states of charge.",

keywords = "Lithium ion batteries, NMR, Overcharge, SEM, XPS, XRD",

author = "Javier Bare{\~n}o and {Dietz Rago}, Nancy and Fulya Dogan and Graczyk, {Donald G.} and Yifen Tsai and Naik, {Seema R.} and Han, {Sang Don} and Eungje Lee and Zhijia Du and Yangping Sheng and Jianlin Li and Wood, {David L.} and Steele, {Leigh Anna} and Joshua Lamb and Scott Spangler and Christopher Grosso and Kyle Fenton and Ira Bloom",

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Bareño, J, Dietz Rago, N, Dogan, F, Graczyk, DG, Tsai, Y, Naik, SR, Han, SD, Lee, E, Du, Z, Sheng, Y, Li, J, Wood, DL, Steele, LA, Lamb, J, Spangler, S, Grosso, C, Fenton, K & Bloom, I 2018, 'Effect of overcharge on Li(Ni_0.5Mn_0.3Co_0.2)O₂/graphite lithium ion cells with poly(vinylidene fluoride) binder. III — Chemical changes in the cathode', Journal of Power Sources, vol. 385, pp. 165-171. https://doi.org/10.1016/j.jpowsour.2017.12.061

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AU - Graczyk, Donald G.

AU - Tsai, Yifen

AU - Naik, Seema R.

AU - Han, Sang Don

AU - Lee, Eungje

AU - Du, Zhijia

AU - Sheng, Yangping

AU - Li, Jianlin

AU - Wood, David L.

AU - Steele, Leigh Anna

AU - Lamb, Joshua

AU - Spangler, Scott

AU - Grosso, Christopher

AU - Fenton, Kyle

AU - Bloom, Ira

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KW - Lithium ion batteries

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