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A facile and highly efficient short-time homogenization hydrothermal approach for the smart production of high-quality α-Fe2O3 for rechargeable lithium batteries

Abstract

In the present work, we have synthesized zero-dimensional (0D) and three-dimensional (3D) iron oxide (α-Fe2O3) sub-micron particles using a one-pot hydrothermal approach. The morphological studies reveal that the as-synthesized spherical α-Fe2O3 (SFO) material consist of nanospheres with void spaces. The prepared SFO delivers a high specific surface area of 100.80 m2 g-1 and significantly increases the contact area between the electrode and the electrolyte. The initial galvanostatic specific capacity of SFO materials was 1306 mAh g-1 at a current density of 100 mA g-1, which is superior to that of bare cubical α-Fe2O3 (CFO). Moreover, the mesoporous SFO shows a good cycling stability with a capacity retention rate of 91.4% after 100 cycles. These attractive results suggest that the mesoporous SFO shows a good electrochemical performance as a negative electrode material for high-performance Li-ion batteries.

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Publication details

The article was received on 02 Jun 2017, accepted on 11 Jul 2017 and first published on 11 Jul 2017


Article type: Paper
DOI: 10.1039/C7TA04797E
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    A facile and highly efficient short-time homogenization hydrothermal approach for the smart production of high-quality α-Fe2O3 for rechargeable lithium batteries

    P. Santhoshkumar, K. Prasanna, Y. N. Jo, I. Nirmal Sivagami, S. H. Kang and C. W. Lee, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA04797E

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