Conducting polymer ink for flexible and printable micro-supercapacitors with greatly-enhanced rate capability

被引：40

作者：

Chu, Xiang ^{[1
]}

Zhu, Zehao ^{[1
]}

Huang, Haichao ^{[1
]}

Xie, Yanting ^{[1
]}

Xu, Zhong ^{[1
]}

Wang, Yihan ^{[1
]}

Yan, Cheng ^{[1
]}

Jin, Long ^{[1
]}

Wang, Yuchen ^{[1
]}

Zhang, Haitao ^{[1
]}

Yang, Weiqing ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Sch Mat Sci & Engn, Key Lab Adv Technol Mat, Minist Educ, Chengdu 610031, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2021年 / 513卷

基金：

中国国家自然科学基金;

关键词：

Polyaniline ink; High rate capability; Printable device; Electrochemical energy storage; Micro-supercapacitor; SOLID-STATE SUPERCAPACITORS; PSEUDOCAPACITIVE ELECTRODES; POLYANILINE; NETWORKS; INPLANE;

D O I：

10.1016/j.jpowsour.2021.230555

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Conducting polymer ink holds great promise for wearable, flexible, and printable high-power-density microsupercapacitors (MSCs) but chronically suffers from the poor rate capability ascribing to naturally electron-blocked transferring. Herein, we devise an air-stable, easy-fabricating and rapid electron-transferring polyaniline ink by embedding conductive carboxylic multi-walled carbon nanotubes (C-MWCNTs) networks into polyaniline nanosheets. Due to the optimized electron-transferring kinetics, the rate capability of polyaniline ink is significantly increased by 73.7%. Additionally, the large-scale printable MSCs based on this ink deliver remarkable energy density of 2.6 mWh cm(-3), large areal capacitance of 45.4 mF cm(-2) and excellent mechanics-electrochemistry stability with 84.6% capacitance retention against 1000 consecutive bending cycles. Evidently, this work provides the polyaniline ink for large-scale, printable, and flexible MSCs, which can underpin the next generation printed electronics in the approaching era of Internet of Things.

引用

页数：9

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