Journal article
Tungsten‐Doped Nanocrystalline V 6 O 13 Nanoparticles as Low‐Cost and High‐Performance Electrodes for Energy Storage Devices
Energy Technology, Vol.7(8), Article 1801041
2019
Abstract
Vanadium oxide (VOx) nanomaterials are promising candidates for energy storage devices, such as lithium‐ and sodium‐ion batteries and supercapacitors, in which many complicated structural designs and composite strategies are applied to harness the high theoretical capacity of these materials. Herein, a simple yet effective method to achieve improved performance of electrodes via tungsten doping in a green hydrothermal reaction is demonstrated. The evolution of three VOx phases (V2O5, VO2, and V6O13) during the synthesis of the VOx nanostructures is revealed by the systematic investigation of the reaction products. The dopants are critical for the formation of nanocrystalline structures. The as‐fabricated VOx is tested for lithium‐ion batteries, which shows that tungsten doping significantly improves the battery performance, including initial discharge capacity of the VOx (doped VOx = 615.2 ± 41.6 mAh g–1, undoped VOx = 377.9 ± 72.8 mAh g–1, and precursor V2O5 = 393.4 ± 74.0 mAh g–1), cycle stability, and rate performance. This research provides important insights into the understanding of the dopant‐induced phase tuning of VOx nanostructures for energy storage–related applications.
Details
- Title
- Tungsten‐Doped Nanocrystalline V 6 O 13 Nanoparticles as Low‐Cost and High‐Performance Electrodes for Energy Storage Devices
- Authors/Creators
- S. Wang (Author/Creator)J. Qin (Author/Creator)Y. Zhang (Author/Creator)F. Xia (Author/Creator)M. Liu (Author/Creator)H. Chen (Author/Creator)M. Al‐Mamun (Author/Creator)P. Liu (Author/Creator)R. Rigway (Author/Creator)G. Shi (Author/Creator)J. Song (Author/Creator)Y.L. Zhong (Author/Creator)H. Zhao (Author/Creator)
- Publication Details
- Energy Technology, Vol.7(8), Article 1801041
- Publisher
- Wiley
- Identifiers
- 991005543057307891
- Copyright
- © 2019 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
- Murdoch Affiliation
- School of Engineering and Information Technology
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 2 Chemistry
- 2.62 Electrochemistry
- 2.62.1525 Vanadium Oxides
- Web Of Science research areas
- Energy & Fuels
- ESI research areas
- Engineering