Electrochemical performance of Ti3C2 supercapacitors in KOH electrolyte

被引：91

作者：

Gao, Yupeng ^{[1
]}

Wang, Libo ^{[1
]}

Li, Zhengyang ^{[1
]}

Zhang, Yafei ^{[1
]}

Xing, Baolin ^{[1
]}

Zhang, Chuanxiang ^{[1
]}

Zhou, Aiguo ^{[1
]}

机构：

[1] Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454000, Peoples R China

来源：

JOURNAL OF ADVANCED CERAMICS | 2015年 / 4卷 / 02期

关键词：

MXene; Ti3AlC2; two-dimensional (2D) carbide; supercapacitors; 2-DIMENSIONAL TITANIUM CARBIDE; LI-ION BATTERIES; CARBON-FILMS; CAPACITANCE; GRAPHENE; ANODE; TI3ALC2; FAMILY; MXENE;

D O I：

10.1007/s40145-015-0143-3

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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 m(2)/g. Ti3C2-based supercapacitor electrodes exhibited good energy storage ability and had a volumetric capacitance 119.8 F/cm(3) 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 Omega to 3.5 Omega.

引用

页码：130 / 134

页数：5

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