Carbon nanotube-wrapped Fe2O3 anode with improved performance for lithium-ion batteries

Guoliang Gao; Yan Jin; Qun Zeng; Deyu Wang; Cai Shen

doi:10.3762/bjnano.8.69

Carbon nanotube-wrapped Fe₂O₃ anode with improved performance for lithium-ion batteries

Beilstein J Nanotechnol. 2017 Mar 17:8:649-656. doi: 10.3762/bjnano.8.69. eCollection 2017.

Authors

Guoliang Gao^#^{1

2

3}, Yan Jin^#¹, Qun Zeng^{2

3}, Deyu Wang¹, Cai Shen¹

Affiliations

¹ Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences. 1219 Zhongguan Road, Zhenhai District, Ningbo, Zhejiang, China.
² Guangzhou Key Laboratory for Special Fiber Photonic Devices, South China Normal University, Guangzhou 510006, China.
³ Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Photoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China.

^# Contributed equally.

Abstract

Metall oxides have been proven to be potential candidates for the anode material of lithium-ion batteries (LIBs) because they offer high theoretical capacities, and are environmentally friendly and widely available. However, the low electronic conductivity and severe irreversible lithium storage have hindered a practical application. Herein, we employed ethanolamine as precursor to prepare Fe₂O₃/COOH-MWCNT composites through a simple hydrothermal synthesis. When these composites were used as electrode material in lithium-ion batteries, a reversible capacity of 711.2 mAh·g^-1 at a current density of 500 mA·g^-1 after 400 cycles was obtained. The result indicated that Fe₂O₃/COOH-MWCNT composite is a potential anode material for lithium-ion batteries.

Keywords: anode material; carbon nanotubes; hydrothermal synthesis method; lithium-ion batteries.