Electrochimica Acta, volume 389, pages 138759
β-LiVP2 O7 as a positive electrode material for Li-ion batteries
Tertov Ilya V
1, 2, 3
,
Antipov Evgeny V.
4, 5
,
Abakumov Artem M
,
Kirsanova Maria A
,
Drozhzhin Oleg A.
4, 5
,
Alekseeva Anastasia M
1, 2, 3
,
Mironov Andrey V
,
Mironov Andrey E.
1, 2, 3
,
2
119991 Moscow Russia
|
3
DEPARTMENT OF CHEMISTRY
Publication type: Journal Article
Publication date: 2021-09-01
General Chemical Engineering
Electrochemistry
Abstract
• Novel pyrophosphate-based electrode material for Li-ion batteries is presented. • β-LiVP 2 O 7 demonstrates ≈100 mAh g −1 at 4.0-4.2 V vs. Li/Li + . • Capacity of 93 mAh g −1 was gained at 10C discharge current density. • Overall capacity of β-LiVP 2 O 7 exceeds 200 mAh g −1 within 1.5-4.5 V vs. Li/Li + range. A novel polymorph of lithium vanadium pyrophosphate has been obtained using electrochemical Na + for Li + exchange in β-NaVP 2 O 7 . β-LiVP 2 O 7 has a triclinic KAlP 2 O 7 -type structure with large tunnels along the [100] direction and demonstrates electrochemical capacity of 100 mAh g −1 within a high-voltage region of 4.0-4.2 V vs. Li/Li + with excellent C-rate capability: increasing discharge current density from C/10 to 10C results in a capacity drop of only 7%. The (de)intercalation process is characterized by a solid solution-like behavior with the diffusion coefficient amounting to 10 −12 – 10 −11 cm 2 s −1 . A redox process at ~ 1.8 V vs. Li/Li + leads to 200 mAh g −1 of the overall intercalation capacity within the extended voltage range that corresponds to “β-VP 2 O 7 ↔ β-Li 2 VP 2 O 7 ” two-electron process.
Citations by journals
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1
2
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Journal of Power Sources
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Journal of Power Sources
2 publications, 40%
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Russian Journal of Electrochemistry
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Russian Journal of Electrochemistry
1 publication, 20%
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Clean Technologies
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Clean Technologies
1 publication, 20%
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Materials
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Materials
1 publication, 20%
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1
2
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Citations by publishers
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1
2
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Elsevier
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Elsevier
2 publications, 40%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 40%
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Pleiades Publishing
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Pleiades Publishing
1 publication, 20%
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1
2
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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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Tertov I. V. et al. β-LiVP2O7 as a positive electrode material for Li-ion batteries // Electrochimica Acta. 2021. Vol. 389. p. 138759.
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Tertov I. V., Drozhzhin O. A., Alekseeva A. M., Kirsanova M. A., Mironov A. V., Abakumov A. M., Antipov E. V., Kirsanova M. A., Mironov A. E., Abakumov A. M. β-LiVP2O7 as a positive electrode material for Li-ion batteries // Electrochimica Acta. 2021. Vol. 389. p. 138759.
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TY - JOUR
DO - 10.1016/j.electacta.2021.138759
UR - https://doi.org/10.1016%2Fj.electacta.2021.138759
TI - β-LiVP2O7 as a positive electrode material for Li-ion batteries
T2 - Electrochimica Acta
AU - Tertov, Ilya V
AU - Drozhzhin, Oleg A.
AU - Alekseeva, Anastasia M
AU - Kirsanova, Maria A
AU - Mironov, Andrey V
AU - Abakumov, Artem M
AU - Antipov, Evgeny V.
AU - Kirsanova, Maria A
AU - Mironov, Andrey E.
AU - Abakumov, Artem M.
PY - 2021
DA - 2021/09/01 00:00:00
PB - Elsevier
SP - 138759
VL - 389
SN - 0013-4686
ER -
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@article{2021_Tertov,
author = {Ilya V Tertov and Oleg A. Drozhzhin and Anastasia M Alekseeva and Maria A Kirsanova and Andrey V Mironov and Artem M Abakumov and Evgeny V. Antipov and Maria A Kirsanova and Andrey E. Mironov and Artem M. Abakumov},
title = {β-LiVP2O7 as a positive electrode material for Li-ion batteries},
journal = {Electrochimica Acta},
year = {2021},
volume = {389},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016%2Fj.electacta.2021.138759},
pages = {138759},
doi = {10.1016/j.electacta.2021.138759}
}