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Research Article | Open Access

Electrochemical performance of Ti3C2 supercapacitors in KOH electrolyte

Yupeng GAO, Libo WANG, Zhengyang LI, Yafei ZHANG, Baolin XING, Chuanxiang ZHANG, Aiguo ZHOU( )
School of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China
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Abstract

Two-dimensional (2D) carbide Ti3C2 was synthesized by exfoliating Ti3AlC2 in HF solution and used for supercapacitive performance investigation in 3 M KOH electrolyte. The specific surface area (SSA) of as-synthesized Ti3C2 was 22.35 m2/g. Ti3C2-based supercapacitor electrodes exhibited good energy storage ability and had a volumetric capacitance 119.8 F/cm3 at the current density of 2.5 A/g. Moreover, the addition of carbon black into Ti3C2 powders greatly improved the performance of Ti3C2-based capacitors because carbon black restrained the preferred orientation of 2D Ti3C2, providing fast ion transport channels, and in turn, decreasing electrical resistance from 16.7 Ω to 3.5 Ω.

Keywords

MXeneTi3AlC2two-dimensional (2D) carbidesupercapacitors

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Journal of Advanced Ceramics
Volume 4 Issue 2,
June 2015
Pages 130-134
DOI: 10.1007/s40145-015-0143-3
Cite this article:
GAO Y, WANG L, LI Z, et al. Electrochemical performance of Ti3C2 supercapacitors in KOH electrolyte. Journal of Advanced Ceramics, 2015, 4(2): 130-134. https://doi.org/10.1007/s40145-015-0143-3

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Received: 05 January 2015
Accepted: 24 January 2015
Published: 30 May 2015
© The author(s) 2015

Open Access: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
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