Corresponding Author

Pei-kang SHEN(pkshen@gxu.edu.cn)


Ferric oxide (Fe2O3) as a promising anode material for lithium ion battery is due to its high theoretical capacity (1007 mAh·g-1), earth abundance and low cost. The nanosized Fe2O3 on the three dimensional hierarchical porous graphene-like network (denoted as Fe2O3-3D HPG) has been synthesized by homogeneous precipitation and heat treatment. The 3D HPG can provide a highly conductive structure in conjunction to support well contacted Fe2O3 nanoparticles, and effectively enhance the mechanical strength of the matrices during volume changes, as well as improve the utilization rate of Fe2O3 and suppress the aggregation of Fe2O3 nanoparticles during Li ion insertion/extraction. As a result, the first discharge capacity of Fe2O3-3D HPG was up to 1745 mAh·g-1 at 50 mA·g-1, and after 50 cycles, the retention of the capacity was 1095 mAh·g-1.

Graphical Abstract


Fe2O3, anode materials, Li ion batteries, three dimensional hierarchical porous graphene-like matrix, electrochemistry

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