Open Access
Nanomaterials, volume 10, issue 9, pages 1870
Protective spinel coating for Li1.17 Ni0.17 Mn0.50 Co0.17 O2 cathode for Li-ion batteries through single-source precursor approach
Shevtsov Andrey
1, 2
,
Han Haixiang
3, 4
,
Morozov Anatolii
1, 2
,
Carozza Jesse C
3
,
Savina Aleksandra A.
1
,
Shakhova Iaroslava
1
,
Khasanova Nellie R.
2
,
Antipov Evgeny V.
1, 2
,
3
Department of Chemistry, University at Albany, Albany, NY 12222, USA
|
Publication type: Journal Article
Publication date: 2020-09-18
PubMed ID:
32961971
General Chemical Engineering
General Materials Science
Abstract
The Li1.17Ni0.17Mn0.50Co0.17O2 Li-rich NMC positive electrode (cathode) for lithium-ion batteries has been coated with nanocrystals of the LiMn1.5Co0.5O4 high-voltage spinel cathode material. The coating was applied through a single-source precursor approach by a deposition of the molecular precursor LiMn1.5Co0.5(thd)5 (thd = 2,2,6,6-tetramethyl-3,5-heptanedionate) dissolved in diethyl ether, followed by thermal decomposition at 400 °C inair resulting in a chemically homogeneous cubic spinel. The structure and chemical composition of the coatings, deposited on the model SiO2 spheres and Li-rich NMC crystallites, were analyzed using powder X-ray diffraction, electron diffraction, high angle annular dark-field scanning transmission electron microscopy (HAADF-STEM), and energy-dispersive X-ray (EDX) mapping. The coated material containing 12 wt.% of spinel demonstrates a significantly improved first cycle Coulombic efficiency of 92% with a high first cycle discharge capacity of 290 mAhg−1. The coating also improves the capacity and voltage retention monitored over 25 galvanostatic charge–discharge cycles, although a complete suppression of the capacity and voltage fade is not achieved.
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Citations by publishers
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Multidisciplinary Digital Publishing Institute (MDPI)
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2 publications, 22.22%
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IOP Publishing
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1 publication, 11.11%
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1 publication, 11.11%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 11.11%
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1
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Shevtsov A. et al. Protective spinel coating for Li1.17 Ni0.17 Mn0.50 Co0.17 O2 cathode for Li-ion batteries through single-source precursor approach // Nanomaterials. 2020. Vol. 10. No. 9. p. 1870.
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Shevtsov A., Han H., Morozov A., Carozza J. C., Savina A. A., Shakhova I., Khasanova N. R., Antipov E. V., Dikarev E. V., Abakumov A. M. Protective spinel coating for Li1.17 Ni0.17 Mn0.50 Co0.17 O2 cathode for Li-ion batteries through single-source precursor approach // Nanomaterials. 2020. Vol. 10. No. 9. p. 1870.
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TY - JOUR
DO - 10.3390/nano10091870
UR - https://doi.org/10.3390%2Fnano10091870
TI - Protective spinel coating for Li1.17 Ni0.17 Mn0.50 Co0.17 O2 cathode for Li-ion batteries through single-source precursor approach
T2 - Nanomaterials
AU - Han, Haixiang
AU - Morozov, Anatolii
AU - Carozza, Jesse C
AU - Savina, Aleksandra A.
AU - Khasanova, Nellie R.
AU - Antipov, Evgeny V.
AU - Abakumov, Artem M
AU - Shevtsov, Andrey
AU - Shakhova, Iaroslava
AU - Dikarev, Evgeny V.
PY - 2020
DA - 2020/09/18 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1870
IS - 9
VL - 10
PMID - 32961971
SN - 2079-4991
ER -
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@article{2020_Shevtsov,
author = {Haixiang Han and Anatolii Morozov and Jesse C Carozza and Aleksandra A. Savina and Nellie R. Khasanova and Evgeny V. Antipov and Artem M Abakumov and Andrey Shevtsov and Iaroslava Shakhova and Evgeny V. Dikarev},
title = {Protective spinel coating for Li1.17 Ni0.17 Mn0.50 Co0.17 O2 cathode for Li-ion batteries through single-source precursor approach},
journal = {Nanomaterials},
year = {2020},
volume = {10},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {sep},
url = {https://doi.org/10.3390%2Fnano10091870},
number = {9},
pages = {1870},
doi = {10.3390/nano10091870}
}
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MLA
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Shevtsov, Andrey, et al. “Protective spinel coating for Li1.17 Ni0.17 Mn0.50 Co0.17 O2 cathode for Li-ion batteries through single-source precursor approach.” Nanomaterials, vol. 10, no. 9, Sep. 2020, p. 1870. https://doi.org/10.3390%2Fnano10091870.