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Title: Tubular TiC fibre nanostructures as supercapacitor electrode materials with stable cycling life and wide-temperature performance
Authors: Xia, Xinhui
Zhang, Yongqi
Chao, Dongliang
Xiong, Qinqin
Fan, Zhanxi
Tong, Xili
Tu, Jiangping
Zhang, Hua
Fan, Hong Jin
Keywords: DRNTU::Engineering::Environmental engineering
Issue Date: 2015
Source: Xia, X., Zhang, Y., Chao, D., Xiong, Q., Fan, Z., Tong, X., et al.(2015). Tubular TiC fibre nanostructures as supercapacitor electrode materials with stable cycling life and wide-temperature performance. Energy & environmental science, 8(5), 1559-1568.
Series/Report no.: Energy & environmental science
Abstract: Highly active electrode materials with judicious design of nanostructure are important for the construction of high-performance electrochemical energy storage devices. In this work, we have fabricated a tubular TiC fibre cloth as an interesting type of stable supercapacitive material. Hollow microfibres of TiC are synthesized by carbothermal treatment of commercial T-shirt cotton fibres. To demonstrate the rationale of nanostructuring in energy storage, the hollow fibres are further covered by interwoven TiC nanotube branches, forming 3D tubular all-TiC hierarchical fibres with high electrical conductivity, high surface area, and high porosity. For energy storage functions, organic symmetric supercapacitors based on the hollow fibre–nanotube (HFNT) TiC cloth electrodes are assembled and thoroughly characterized. The TiC-based electrodes show very stable capacitance in long charge–discharge cycles and at different temperatures. In particular, the integrated TiC HFNT cloth electrodes show a reasonably high capacitance (185 F g−1 at 2 A g−1), better cycling stability at high-rates (e.g., 97% retention at room temperature after 150 000 cycles, and 67% at −15 °C after 50 000 cycles) than other control electrodes (e.g., pure carbon fibre cloths). It is envisaged that this 3D tubular TiC fibre cloth is also useful for solar cells and electrocatalysis.
DOI: 10.1039/C5EE00339C
Schools: School of Materials Science & Engineering 
School of Physical and Mathematical Sciences 
Rights: © 2015 The Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication by Energy & Environmental Science , The Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles
SPMS Journal Articles

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