Ultrathin ZnS nanosheet/carbon nanotube hybrid electrode for high-performance flexible all-solid-state supercapacitor

被引：0
作者：
Xiaoyi Hou
Tao Peng
Jinbing Cheng
Qiuhong Yu
Rongjie Luo
Yang Lu
Xianming Liu
Jang-Kyo Kim
Jun He
Yongsong Luo
机构：
[1] Xinyang Normal University,School of Physics and Electronic Engineering
[2] Xinyang Normal University,Key Laboratory of Advanced Micro/Nano Functional Materials
[3] Luoyang Normal University,College of Chemistry and Chemical Engineering
[4] Hong Kong University of Science and Technology,Department of Mechanical and Aerospace Engineering
[5] National Center for Nanoscience and Technology,undefined
来源：
Nano Research | 2017年 / 10卷
关键词：
multiwall C nanotubes decorated with hierarchical ultrathin zinc sulfide nanosheets(ZnS@CNT); ultrathin nanosheet; flexible; synergistic; supercapacitor;
D O I：
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中图分类号：
学科分类号：
摘要：
Flexible and easily reconfigurable supercapacitors show great promise for application in wearable electronics. In this study, multiwall C nanotubes (CNTs) decorated with hierarchical ultrathin zinc sulfide (ZnS) nanosheets (ZnS@CNT) are synthesized via a facile method. The resulting ZnS@CNT electrode, which delivers a high specific capacitance of 347.3 F·g–1 and an excellent cycling stability, can function as a high-performance electrode for a flexible all-solid-state supercapacitor using a polymer gel electrolyte. Our device exhibits a remarkable specific capacitance of 159.6 F·g–1, a high energy density of 22.3 W·h·kg–1, and a power density of 5 kW·kg–1. It also has high electrochemical performance even under bending or twisting. The all-solid-state supercapacitors can be easily integrated in series to power different commercial light-emitting diodes without an external bias voltage.
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页码：2570 / 2583
页数：13
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