ACS applied materials & interfaces, volume 13, issue 47, pages 56366-56374
Revisited Ti2 Nb2 O9 as an Anode Material for Advanced Li-Ion Batteries
Drozhzhin Oleg A.
1, 2
,
Grigoryev Vladislav V
2
,
Aksyonov D A
1
,
Boytsova Olga
2, 3
,
Chernyshov D. O.
4, 5
,
Guda Alexander
6
,
Antipov Evgeny V.
1, 2
Publication type: Journal Article
Publication date: 2021-11-17
Journal:
ACS applied materials & interfaces
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 9.5
ISSN: 19448244, 19448252
General Materials Science
Abstract
Ti2Nb2O9 with a tunnel-type structure is considered as a perspective negative electrode material for Li-ion batteries (LIBs) with theoretical capacity of 252 mAh g-1 corresponding to one-electron reduction/oxidation of Ti and Nb, but only ≈160 mAh g-1 has been observed practically. In this work, highly reversible capacity of 200 mAh g-1 with the average (de)lithiation potential of 1.5 V vs Li/Li+ is achieved for Ti2Nb2O9 with pseudo-2D layered morphology obtained via thermal decomposition of the NH4TiNbO5 intermediate prepared by K+→ H+→ NH4+ cation exchange from KTiNbO5. Using operando synchrotron powder X-ray diffraction (SXPD), single-phase (de)lithiation mechanism with 4.8% unit cell volume change is observed. Operando X-ray absorption near-edge structure (XANES) experiment revealed simultaneous Ti4+/Ti3+ and Nb5+/Nb4+ reduction/oxidation within the whole voltage range. Li+ migration barriers for Ti2Nb2O9 along [010] direction derived from density functional theory (DFT) calculations are within the 0.15-0.4 eV range depending on the Li content that is reflected in excellent C-rate capacity retention. Ti2Nb2O9 synthesized via the ion-exchange route appears as a strong contender to widely commercialized Ti-based negative electrode material Li4Ti5O12 in the next generation of high-performance LIBs.
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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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Drozhzhin O. A. et al. Revisited Ti2Nb2O9as an Anode Material for Advanced Li-Ion Batteries // ACS applied materials & interfaces. 2021. Vol. 13. No. 47. pp. 56366-56374.
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Drozhzhin O. A., Grigoryev V. V., Alekseeva A. M., Samigullin R. R., Aksyonov D. A., Boytsova O., Chernyshov D. O., Shapovalov V. V., Guda A., Soldatov A., Stevenson K. J., Abakumov A. M., Antipov E. V. Revisited Ti2Nb2O9as an Anode Material for Advanced Li-Ion Batteries // ACS applied materials & interfaces. 2021. Vol. 13. No. 47. pp. 56366-56374.
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TY - JOUR
DO - 10.1021/acsami.1c20842
UR - https://doi.org/10.1021%2Facsami.1c20842
TI - Revisited Ti2Nb2O9as an Anode Material for Advanced Li-Ion Batteries
T2 - ACS applied materials & interfaces
AU - Alekseeva, Anastasia M
AU - Samigullin, Ruslan R
AU - Grigoryev, Vladislav V
AU - Drozhzhin, Oleg A.
AU - Boytsova, Olga
AU - Guda, Alexander
AU - Stevenson, Keith J
AU - Abakumov, Artem M.
AU - Antipov, Evgeny V.
AU - Aksyonov, D A
AU - Chernyshov, D. O.
AU - Shapovalov, Viktor V.
AU - Soldatov, Alexander
PY - 2021
DA - 2021/11/17 00:00:00
PB - American Chemical Society (ACS)
SP - 56366-56374
IS - 47
VL - 13
SN - 1944-8244
SN - 1944-8252
ER -
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@article{2021_Drozhzhin,
author = {Anastasia M Alekseeva and Ruslan R Samigullin and Vladislav V Grigoryev and Oleg A. Drozhzhin and Olga Boytsova and Alexander Guda and Keith J Stevenson and Artem M. Abakumov and Evgeny V. Antipov and D A Aksyonov and D. O. Chernyshov and Viktor V. Shapovalov and Alexander Soldatov},
title = {Revisited Ti2Nb2O9as an Anode Material for Advanced Li-Ion Batteries},
journal = {ACS applied materials & interfaces},
year = {2021},
volume = {13},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021%2Facsami.1c20842},
number = {47},
pages = {56366--56374},
doi = {10.1021/acsami.1c20842}
}
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MLA
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Drozhzhin, Oleg A., et al. “Revisited Ti2Nb2O9as an Anode Material for Advanced Li-Ion Batteries.” ACS applied materials & interfaces, vol. 13, no. 47, Nov. 2021, pp. 56366-56374. https://doi.org/10.1021%2Facsami.1c20842.