MnO2 nanowires-decorated carbon fiber cloth as electrodes for aqueous asymmetric supercapacitor

被引：21

作者：

Hong, Congcong ^{[1
]}

Wang, Xing ^{[1
]}

Yu, Houlin ^{[1
]}

Wu, Huaping ^{[2
]}

Wang, Jianshan ^{[3
]}

Liu, Aiping ^{[1
,4
]}

机构：

[1] Zhejiang Sci Tech Univ, Ctr Optoelect Mat & Devices, Hangzhou 310018, Zhejiang, Peoples R China

[2] Zhejiang Univ Technol, Minist Educ & Zhejiang Prov, Lab E&M, Hangzhou 310014, Zhejiang, Peoples R China

[3] Tianjin Univ, Dept Mech, Tianjin Key Lab Modern Engn Mech, Tianjin 300072, Peoples R China

[4] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China

来源：

FUNCTIONAL MATERIALS LETTERS | 2018年 / 11卷 / 02期

基金：

中国国家自然科学基金;

关键词：

MnO2; nanowires; carbon fiber cloth; supercapacitor; energy density; power density; HIGH-PERFORMANCE SUPERCAPACITORS; FACILE SYNTHESIS; ENERGY-STORAGE; NICKEL FOAM; ARRAYS; NANOSHEETS;

D O I：

10.1142/S1793604718500340

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Manganese dioxide nanowires (MnO2 NWs) anchored on carbon fiber cloth (CFC) were fabricated through a simple hydrothermal reaction and used as integrated electrodes for supercapacitor. The morphology-dependent electrochemical performance of MnO2 NWs was confirmed, yielding good capacitance performance with a high specific capacitance of 3.88 F . cm(-2) at a charge discharge current density of 5 mA . cm(-2) and excellent stability of 91.5% capacitance retention after 3000 cycles. Moreover, the composite electrodes were used to fabricate supercapacitors, which showed a high specific capacitance of 194 mF . cm(-2) at a charge-discharge current density of 2 mA . cm(-2) and high energy density of 0.108 mWh . cm(-2) at power density of 2 mW . cm(-2), foreboding its potential application for high-performance supercapacitor.

引用

页数：5

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