Facile Synthesis of Α- Fe2O3/Carbon Core-Shell Composite for Lithium Storage and Conversion

Denis P. Opra, Sergey V. Gnedenkov, Sergey L. Sinebryukhov, Valery G. Kuryavyi, Grigorii A. Zverev, Alexander A. Sokolov, Alexander N. Minaev, Valentin I. Sergienko

Defect and diffusion forum/Diffusion and defect data, solid state data Part A, Defect and diffusion forum（2018）

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Abstract

Carbon-coated hematite α-Fe2O3 core-shell structure had been synthesized by a facile method of pulsed high-voltage discharge. The structure, morphology, and phase composition of the material were characterized by SEM, TEM, and XRD methods. When carbon-coated α-Fe2O3 was galvanostatically cycled at 100 mA g–1 in the voltage range of 3.0–0.005 V, it exhibits a reversible capacity of 479 mAh g–1, assuming about three Li+ ions retrieval.

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