A Nanocrystalline Fe2 O3 Film Anode Prepared by Pulsed Laser Deposition for Lithium-Ion Batteries

Nanoscale Research Letters
Xiaoling TengShandong Li

Abstract

Nanocrystalline Fe2O3 thin films are deposited directly on the conduct substrates by pulsed laser deposition as anode materials for lithium-ion batteries. We demonstrate the well-designed Fe2O3 film electrodes are capable of excellent high-rate performance (510 mAh g- 1 at high current density of 15,000 mA g- 1) and superior cycling stability (905 mAh g- 1 at 100 mA g- 1 after 200 cycles), which are among the best reported state-of-the-art Fe2O3 anode materials. The outstanding lithium storage performances of the as-synthesized nanocrystalline Fe2O3 film 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 Fe2O3 particle agglomeration. The electrochemical performance results suggest that this novel Fe2O3 thin film is a promising anode material for all-solid-state thin film batteries.

References

Feb 8, 2008·Nature·M Armand, J-M Tarascon
Oct 8, 2011·Journal of the American Chemical Society·Bao WangXiong Wen Lou
Nov 5, 2013·Nature Materials·Yan-Yan HuClare P Grey
Apr 9, 2015·Nanoscale Research Letters·Wei YuHuaqing Xie
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Apr 8, 2017·Advanced Materials·Hongsen LiGuihua Yu
Apr 25, 2017·ACS Nano·Antonia Reyes JiménezTobias Placke

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Citations

Apr 28, 2020·Chemistry, an Asian Journal·Michael Fenech, Neeraj Sharma
Aug 6, 2021·Advanced Science·Tian WuLi Lu
Sep 1, 2021·Nanoscale Research Letters·Linfeng LvXiaoyu Liu

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Methods Mentioned

BETA
X-ray
transmission
electron diffraction
scanning electron microscopy

Software Mentioned

METTLER TOLEDO

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