Journal of the Electrochemical Society

, том 168 , издание 11 , страницы 110550

Complete Three-Electron Vanadium Redox in NASICON-Type Na3VSc(PO4)3 Electrode Material for Na-Ion Batteries

Тип публикации: Journal Article

Дата публикации: 2021-11-01

The Electrochemical Society

Journal of the Electrochemical Society

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CiteScore: 6.1

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ISSN: 00134651, 19457111

DOI: 10.1149/1945-7111/ac393d

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Materials Chemistry

Surfaces, Coatings and Films

Electronic, Optical and Magnetic Materials

Electrochemistry

Condensed Matter Physics

Renewable Energy, Sustainability and the Environment

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Here we introduce a new NASICON-type Na₃VSc(PO₄)₃ positive electrode material for Na-ion batteries demonstrating reversible (de)intercalation of 3 Na cations per formula unit within a wide voltage range with complex voltage-composition dependence. The total electrochemical capacity of the material is 170 mAh g⁻¹ that corresponds to the complete three-electron V²⁺/V³⁺/V⁴⁺/V⁵⁺ process. All the (de)sodiation stages follow a predominantly solid-solution mechanism, as shown by operando X-ray powder diffraction. The oxidation of vanadium up to +5 upon the charge of Na₃VSc(PO₄)₃ to 4.5 V vs Na/Na⁺ causes the significant transformation of the unit cell. According to ex situ Fourier-transformed infrared spectroscopy it is accompanied by the increasing distortion of the vanadium coordination environment and shortening of the vanadium-oxygen bonds. This leads to the irreversible character of the charge-discharge curve, and the initial structure can be restored after the strong overdischarge to ≈1.5 V vs Na/Na⁺.

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Захаркин Максим

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PhD

18 публикаций, 486 цитирований

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Московский государственный университет имени М.В. Ломоносова

1 цитирование

Самигуллин Руслан

9 публикаций, 158 цитирований

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Московский государственный университет имени М.В. Ломоносова

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Батарея

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Лучинин Никита

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Perfilyeva T. et al. Complete Three-Electron Vanadium Redox in NASICON-Type Na3VSc(PO4)3 Electrode Material for Na-Ion Batteries // Journal of the Electrochemical Society. 2021. Vol. 168. No. 11. p. 110550.

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Perfilyeva T., Drozhzhin O. A., Alekseeva A., Zakharkin M. V., Миронов А. С., Mikheev I., Bobyleva Z., Marenko A., Marikutsa A., Abakumov A. M., Antipov E. V. Complete Three-Electron Vanadium Redox in NASICON-Type Na3VSc(PO4)3 Electrode Material for Na-Ion Batteries // Journal of the Electrochemical Society. 2021. Vol. 168. No. 11. p. 110550.

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TY - JOUR

DO - 10.1149/1945-7111/ac393d

UR - https://iopscience.iop.org/article/10.1149/1945-7111/ac393d

TI - Complete Three-Electron Vanadium Redox in NASICON-Type Na3VSc(PO4)3 Electrode Material for Na-Ion Batteries

T2 - Journal of the Electrochemical Society

AU - Perfilyeva, T.I.

AU - Drozhzhin, Oleg A.

AU - Alekseeva, A.M.

AU - Zakharkin, Maxim V.

AU - Миронов, А. С.

AU - Mikheev, I.V.

AU - Bobyleva, Z.V.

AU - Marenko, A.P.

AU - Marikutsa, A.V.

AU - Abakumov, Artem M.

AU - Antipov, Evgeny V.

PY - 2021

DA - 2021/11/01

PB - The Electrochemical Society

SP - 110550

IS - 11

VL - 168

SN - 0013-4651

SN - 1945-7111

ER -

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@article{2021_Perfilyeva,

author = {T.I. Perfilyeva and Oleg A. Drozhzhin and A.M. Alekseeva and Maxim V. Zakharkin and А. С. Миронов and I.V. Mikheev and Z.V. Bobyleva and A.P. Marenko and A.V. Marikutsa and Artem M. Abakumov and Evgeny V. Antipov},

title = {Complete Three-Electron Vanadium Redox in NASICON-Type Na3VSc(PO4)3 Electrode Material for Na-Ion Batteries},

journal = {Journal of the Electrochemical Society},

year = {2021},

volume = {168},

publisher = {The Electrochemical Society},

month = {nov},

url = {https://iopscience.iop.org/article/10.1149/1945-7111/ac393d},

number = {11},

pages = {110550},

doi = {10.1149/1945-7111/ac393d}

}

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Perfilyeva, T.I., et al. “Complete Three-Electron Vanadium Redox in NASICON-Type Na3VSc(PO4)3 Electrode Material for Na-Ion Batteries.” Journal of the Electrochemical Society, vol. 168, no. 11, Nov. 2021, p. 110550. https://iopscience.iop.org/article/10.1149/1945-7111/ac393d.