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Molecules, volume 27, issue 11, pages 3596

Rational Screening of High-Voltage Electrolytes and Additives for Use in LiNi0.5Mn1.5O4-Based Li-Ion Batteries

Drozhzhin Oleg A. ¹

Shevchenko Vitalii A. ^{1, 2}

Bobyleva Zoia V. ³

Alekseeva Anastasia M ¹

Antipov Evgeny V. ^{1, 2}

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Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia |

Skoltech Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Nobel Str. 3, 143026 Moscow, Russia |

Department of Material Science, Lomonosov Moscow State University, 119991 Moscow, Russia |

Publication type: Journal Article

Publication date: 2022-06-03

Multidisciplinary Digital Publishing Institute (MDPI)

Journal: Molecules

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Quartile WOS

Impact factor: 4.6

ISSN: 14203049

DOI: 10.3390/molecules27113596

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PubMed ID: 35684531

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Physical and Theoretical Chemistry

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Molecular Medicine

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Abstract

In the present work, we focus onthe experimental screening of selected electrolytes, which have been reported earlier in different works, as a good choice for high-voltage Li-ion batteries. Twenty-four solutions were studied by means of their high-voltage stability in lithium half-cells with idle electrode (C+PVDF) and the LiNi0.5Mn1.5O4-based composite as a positive electrode. Some of the solutions were based on the standard 1 M LiPF6 in EC:DMC:DEC = 1:1:1 with/without additives, such as fluoroethylene carbonate, lithium bis(oxalate) borate and lithium difluoro(oxalate)borate. More concentrated solutions of LiPF6 in EC:DMC:DEC = 1:1:1 were also studied. In addition, the solutions of LiBF4 and LiPF6 in various solvents, such as sulfolane, adiponitrile and tris(trimethylsilyl) phosphate, atdifferent concentrations were investigated. A complex study, including cyclic voltammetry, galvanostatic cycling, impedance spectroscopy and ex situ PXRD and EDX, was applied for the first time to such a wide range of electrolytesto provide an objective assessment of the stability of the systems under study. We observed a better anodic stability, including a slower capacity fading during the cycling and lower charge transfer resistance, for the concentrated electrolytes and sulfolane-based solutions. Among the studied electrolytes, the concentrated LiPF6 in EC:DEC:DMC = 1:1:1 performed the best, since it provided both low SEI resistance and stability of the LiNi0.5Mn1.5O4 cathode material.

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Molecules	Molecules, 2, 66.67% Molecules 2 publications, 66.67%
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Drozhzhin O. A. et al. Rational Screening of High-Voltage Electrolytes and Additives for Use in LiNi0.5Mn1.5O4-Based Li-Ion Batteries // Molecules. 2022. Vol. 27. No. 11. p. 3596.

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Drozhzhin O. A., Shevchenko V. A., Bobyleva Z. V., Alekseeva A. M., Antipov E. V. Rational Screening of High-Voltage Electrolytes and Additives for Use in LiNi0.5Mn1.5O4-Based Li-Ion Batteries // Molecules. 2022. Vol. 27. No. 11. p. 3596.

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TY - JOUR

DO - 10.3390/molecules27113596

UR - https://doi.org/10.3390%2Fmolecules27113596

TI - Rational Screening of High-Voltage Electrolytes and Additives for Use in LiNi0.5Mn1.5O4-Based Li-Ion Batteries

T2 - Molecules

AU - Bobyleva, Zoia V.

AU - Drozhzhin, Oleg A.

AU - Shevchenko, Vitalii A.

AU - Alekseeva, Anastasia M

AU - Antipov, Evgeny V.

PY - 2022

DA - 2022/06/03 00:00:00

PB - Multidisciplinary Digital Publishing Institute (MDPI)

SP - 3596

IS - 11

VL - 27

PMID - 35684531

SN - 1420-3049

ER -

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@article{2022_Drozhzhin,

author = {Zoia V. Bobyleva and Oleg A. Drozhzhin and Vitalii A. Shevchenko and Anastasia M Alekseeva and Evgeny V. Antipov},

title = {Rational Screening of High-Voltage Electrolytes and Additives for Use in LiNi0.5Mn1.5O4-Based Li-Ion Batteries},

journal = {Molecules},

year = {2022},

volume = {27},

publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},

month = {jun},

url = {https://doi.org/10.3390%2Fmolecules27113596},

number = {11},

pages = {3596},

doi = {10.3390/molecules27113596}

}

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Drozhzhin, Oleg A., et al. “Rational Screening of High-Voltage Electrolytes and Additives for Use in LiNi0.5Mn1.5O4-Based Li-Ion Batteries.” Molecules, vol. 27, no. 11, Jun. 2022, p. 3596. https://doi.org/10.3390%2Fmolecules27113596.

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Publisher

Multidisciplinary Digital Publishing Institute (MDPI)

Journal

Molecules

Quartile SCImago

Quartile WOS

Impact factor

4.6

ISSN

14203049 (Print)

Labs

Laboratory of Materials for Electrochemical Processes

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