Journal
RESEARCH
Volume 2020, Issue -, Pages -Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.34133/2020/2360796
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Funding
- National Natural Science Foundation of China [51872139, 51902158, 21706128]
- NSF of Jiangsu Province [BK20170045]
- Recruitment Program of Global Experts [1211019]
- Six Talent PeakProject of Jiangsu Province [XCL-043, XCL-021]
- Natural Science Foundation of Jiangsu Higher Education Institutions [19KJB430002]
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Vanadium oxides have recently attracted widespread attention due to their unique advantages and have demonstrated promising chemical and physical properties for energy storage. This work develops a mild and efficient method to stereoassemble hollow V2O5@FeOOH heterostructured nanoflowers with thin nanosheets. These dual-phased architectures possess multiple lithiation voltage plateau and well-defined heterointerfaces facilitating efficient charge transfer, mass diffusion, and self-reconstruction with volumetric strain. As a proof of concept, the resulting V2O5@FeOOH hollow nanoflowers as an anode material for lithium-ion batteries (LIBs) realize high-specific capacities, long lifespans, and superior rate capabilities, e.g., maintaining a specific capacity as high as 985 mAhg(-1) at 200 mAg(-1) with good cyclability.
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