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Interface-Engineered Hematite Nanocones as Binder-Free Electrode for High-Performance Lithium-Ion Batteries

Abstract

Hematite (α-Fe2O3) has been regarded as a promising anode material for lithium-ion batteries (LIBs) due to its high theoretical capacity, natural abundance, and environmental friendliness. However, there is no effective method to overcome the poor conductivity and cycling stability. In this work, novel one-dimensional α-Fe2O3 nanocone arrays (NCs) were prepared by a facile two-step thermal oxidation and reduction in an inert atmosphere. The α-Fe2O3 NCs exhibited an enhanced electrochemical performance, including high specific capacity (968 mAh g-1 and 3872 mAh cm-3) and excellent cyclability (86% retention after 1000 cycles), which are much better than those of the state-of-the-art α-Fe2O3 anodes.

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Publication details

The article was received on 04 Apr 2018, accepted on 09 May 2018 and first published on 09 May 2018


Article type: Paper
DOI: 10.1039/C8TA03106A
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Interface-Engineered Hematite Nanocones as Binder-Free Electrode for High-Performance Lithium-Ion Batteries

    L. Wang, K. Liang, G. Wang and Y. Yang, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA03106A

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