Surface engineering of carbon fiber paper for efficient capacitive energy storage

被引：62

作者：

Zhang, Haozhe ^{[1
]}

Qiu, Wenda ^{[1
,2
]}

Zhang, Yifeng ^{[1
]}

Han, Yi ^{[1
]}

Yu, Minghao ^{[1
]}

Wang, Zifan ^{[1
]}

Lu, Xihong ^{[1
,3
]}

Tong, Yexiang ^{[1
]}

机构：

[1] Sun Yat Sen Univ, MOE Key Lab Bioinorgan & Synthet Chem, KLGHEI Environm & Energy Chem, Sch Chem, Guangzhou 510275, Guangdong, Peoples R China

[2] Guangdong Ind Technol Coll, Dept Environm Engn, Guangzhou 510300, Guangdong, Peoples R China

[3] Nanjing Univ Aeronaut & Astronaut, Jiangsu Key Lab Mat & Technol Energy Convers, Nanjing 210016, Jiangsu, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2016年 / 4卷 / 47期

基金：

中国国家自然科学基金;

关键词：

HIGH-PERFORMANCE; CORE/SHELL NANOWIRES; SUPERCAPACITOR; ELECTRODES; ARRAYS; OXIDE; DESIGN; DENSITY; NANOSTRUCTURES; FABRICATION;

D O I：

10.1039/c6ta08138j

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：

Commercial carbon fiber paper (CFP) has been rarely used as an active electrode material for supercapacitors (SCs) due to its poor electrochemical activity and limited surface area. Herein, we report a facile, scalable and effective thermal oxidation method to directly activate CFP as a robust electrode material in SCs. Significantly, the activated CFP electrode exhibits a high areal capacitance of 0.75 F cm(-2) at 5 mA cm(-2) and excellent rate capability as well as cycling performance. Moreover, an advanced asymmetric supercapacitor (ASC) device with a remarkable energy density of 2.3 mW h cm(-3) and outstanding long-term durability is achieved based on the as-obtained activated CFP electrode as the anode.

引用

页码：18639 / 18645

页数：7

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