Preparation and Capacitive Property of Two-Dimensional Multilayer Ti₃C₂T_x-MXene/PPy-NW Composite Material

Authors

Lu CHEN, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan’an University, Yan’an, Shaanxi Province, 716000, P. R. China;
Xuan JIAN, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan’an University, Yan’an, Shaanxi Province, 716000, P. R. China;Follow
Min HE, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan’an University, Yan’an, Shaanxi Province, 716000, P. R. China;
Mi-mi ZHANG, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan’an University, Yan’an, Shaanxi Province, 716000, P. R. China;
Xiao-die CHEN, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan’an University, Yan’an, Shaanxi Province, 716000, P. R. China;
Lou-jun GAO, Shaanxi Key Laboratory of Chemical Reaction Engineering, College of Chemistry and Chemical Engineering, Yan’an University, Yan’an, Shaanxi Province, 716000, P. R. China;
Zhen-hai LIANG, Clean Chemical Research Institute, College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan, Shaanxi Provience, 030024, P. R. China;

Corresponding Author

Xuan JIAN(jianxuantyut@yeah.net)

Abstract

In this paper, the two-dimensional multilayered Ti₃C₂T_x-MXene was obtained by hydrofluoric acid etching method on the bulk phase material MAX(Ti₃AlC₂) substrate. The two-dimensional multilayered Ti₃C₂T_x-MXene/PPy-NW composite electrode materials were successfully prepared by combining the one-dimensional polypyrrole nanowires (PPy-NW) with two-dimensional multilayered Ti₃C₂T_x-MXene. The morphologies and compositions of the synthetic materials were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS). Electrochemical tests showed that Ti₃C₂T_x-MXene/PPy-NW composite electrode material could reach 374 F·g^-1 at a scanning rate of 10 mV·s^-1, which is higher than pure PPy-NW (304 F·g^-1). When the scanning rate increased to 200 mV·s^-1, it could still retain 72.4 % of the original specific capacitance value, showing good multiplying performance. Finally, the Ti₃C₂T_x-MXene /PPy-NW composite electrode material still retained good cycling stability even at high current density of 5 A·g^-1 (91.6% capacitance retention after 2000 cycles). In summary, the composite of two-dimensional multilayered Ti₃C₂T_x-MXene and one-dimensional PPy-NW effectively improved the capacitance performance of electrode materials, and had great application prospect in electrochemical energy storage.

Graphical Abstract

Keywords

two-dimensional multilayer structure, Ti3C2Tx-MXene, polypyrrole nanowires, capacitive property

DOI Link

https://doi.org/10.13208/j.electrochem.181118

Publication Date

2019-04-28

Online Available Date

2019-01-25

Revised Date

2019-01-20

Received Date

2018-12-04

Recommended Citation

Lu CHEN, Xuan JIAN, Min HE, Mi-mi ZHANG, Xiao-die CHEN, Lou-jun GAO, Zhen-hai LIANG. Preparation and Capacitive Property of Two-Dimensional Multilayer Ti₃C₂T_x-MXene/PPy-NW Composite Material[J]. Journal of Electrochemistry, 2019 , 25(2): 280-287.
DOI: 10.13208/j.electrochem.181118
Available at: https://jelectrochem.xmu.edu.cn/journal/vol25/iss2/13

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