A systematic study on the synthesis of α-Fe2O3 multi-shelled hollow spheres?
RSC Advances Pub Date: 2015-01-06 DOI: 10.1039/C4RA13790F
Abstract
Hematite (α-Fe2O3) multi-shelled hollow spheres (MSHSs) have been prepared by a facile spray drying method using iron(III) citrate and sucrose as the precursors. The sucrose/iron(III) citrate ratio plays an important role in the morphology of the products. Well-defined MSHSs can be obtained in a wide sucrose/iron(III) citrate ratio of 0.25–1.5. The application of α-Fe2O3 MSHSs in lithium storage has been demonstrated. When used as the anode material for lithium-ion batteries, the α-Fe2O3 MSHSs exhibit a high reversible capacity of 979 mA h g?1, maintaining 861 mA h g?1 after 50 cycles.
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Journal Name：RSC Advances
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