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Data for "A composite of Nb2O5 and MoO2 as a high-capacity high-rate anode material for li-ion batteries"
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Walton, Richard I., Wheeler-Jones, Evé and Loveridge, Melanie (2023) Data for "A composite of Nb2O5 and MoO2 as a high-capacity high-rate anode material for li-ion batteries". [Dataset] (In Press)
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Official URL: http://dx.doi.org/10.1002/batt.202200556
Abstract
A composite of Nb2O5 and MoO2 was synthesised using a hydrothermal reaction (225 C) followed by a short heat-treatment step (600 C) to achieve a high-capacity, high-rate anode for Li-ion battery applications. The composite was shown via powder X-ray diffraction and electron microscopy to be an intimate mix of individual oxide particles rather than an atomically mixed oxide material. The composite was shown by X-ray fluorescence spectroscopy (XRF) to contain a 45:55 ratio of Nb:Mo. This composite oxide is demonstrated to show notable rate capability in Li half-cell cycling and rate tests. When cycled at 100C this material achieved over 100 mAhg-1 even after 400 cycles and shows a stable reversible capacity of 514 mAhg-1 (at 1C), realising its theoretical capacity. This composite shows electrochemical results comparable to Nb2O5:C composites yet achieves far higher capacities at low-rate due to the MoO2 content.
| Item Type: | Dataset | ||||||||
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| Subjects: | Q Science > Q Science (General) | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) |
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| Type of Data: | Asii data (spreadheet) underpinning published paper | ||||||||
| Publisher: | University of Warwick, WMG | ||||||||
| Official Date: | 13 March 2023 | ||||||||
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| Status: | Peer Reviewed | ||||||||
| Publication Status: | In Press | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Date of first compliant deposit: | 28 April 2023 | ||||||||
| Date of first compliant Open Access: | 28 April 2023 | ||||||||
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