Title |
A Nanocrystalline Fe2O3 Film Anode Prepared by Pulsed Laser Deposition for Lithium-Ion Batteries
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Published in |
Discover Nano, February 2018
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DOI | 10.1186/s11671-018-2475-8 |
Pubmed ID | |
Authors |
Xiaoling Teng, Youzhi Qin, Xia Wang, Hongsen Li, Xiantao Shang, Shuting Fan, Qiang Li, Jie Xu, Derang Cao, Shandong Li |
Abstract |
Nanocrystalline Fe2O3thin films are deposited directly on the conduct substrates by pulsed laser deposition as anode materials for lithium-ion batteries. We demonstrate the well-designed Fe2O3film electrodes are capable of excellent high-rate performance (510 mAh g- 1at high current density of 15,000 mA g- 1) and superior cycling stability (905 mAh g- 1at 100 mA g- 1after 200 cycles), which are among the best reported state-of-the-art Fe2O3anode materials. The outstanding lithium storage performances of the as-synthesized nanocrystalline Fe2O3film are attributed to the advanced nanostructured architecture, which not only provides fast kinetics by the shortened lithium-ion diffusion lengths but also prolongs cycling life by preventing nanosized Fe2O3particle agglomeration. The electrochemical performance results suggest that this novel Fe2O3thin film is a promising anode material for all-solid-state thin film batteries. |
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Unknown | 7 | 29% |