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Article

Porous α-Fe2O3@C Nanowire Arrays as Flexible Supercapacitors Electrode Materials with Excellent Electrochemical Performances

1
School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China
2
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2018, 8(7), 487; https://doi.org/10.3390/nano8070487
Received: 16 May 2018 / Revised: 23 June 2018 / Accepted: 25 June 2018 / Published: 1 July 2018
(This article belongs to the Special Issue Smart Nanogenerators)
Porous α-Fe2O3 nanowire arrays coated with a layer of carbon shell have been prepared by a simple hydrothermal route. The as-synthesized products show an excellent electrochemical performance with high specific capacitance and good cycling life after 9000 cycles. A solid state asymmetric supercapacitor (ASC) with a 2 V operation voltage window has been assembled by porous α-Fe2O3/C nanowire arrays as the anode materials, and MnO2 nanosheets as the cathode materials, which gives rise to a maximum energy density of 30.625 Wh kg−1and a maximum power density of 5000 W kg−1 with an excellent cycling performance of 82% retention after 10,000 cycles. View Full-Text
Keywords: α-Fe2O3/C; asymmetrical supercapacitor; long cycling life; energy storage device α-Fe2O3/C; asymmetrical supercapacitor; long cycling life; energy storage device
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MDPI and ACS Style

Dong, Y.; Xing, L.; Chen, K.; Wu, X. Porous α-Fe2O3@C Nanowire Arrays as Flexible Supercapacitors Electrode Materials with Excellent Electrochemical Performances. Nanomaterials 2018, 8, 487. https://doi.org/10.3390/nano8070487

AMA Style

Dong Y, Xing L, Chen K, Wu X. Porous α-Fe2O3@C Nanowire Arrays as Flexible Supercapacitors Electrode Materials with Excellent Electrochemical Performances. Nanomaterials. 2018; 8(7):487. https://doi.org/10.3390/nano8070487

Chicago/Turabian Style

Dong, Yidi, Lei Xing, Kunfeng Chen, and Xiang Wu. 2018. "Porous α-Fe2O3@C Nanowire Arrays as Flexible Supercapacitors Electrode Materials with Excellent Electrochemical Performances" Nanomaterials 8, no. 7: 487. https://doi.org/10.3390/nano8070487

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