Preparation of graphene nanosheet/carbon nanotube/polyaniline composite as electrode material for supercapacitors

被引：491
|
作者：
Yan, Jun [1 ]
Wei, Tong [1 ]
Fan, Zhuangjun [1 ]
Qian, Weizhong [2 ]
Zhang, Milin [1 ]
Shen, Xiande [1 ]
Wei, Fei [2 ]
机构：
[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Minist Educ, Key Lab Superlight Mat & Surface Technol, Harbin 150001, Peoples R China
[2] Tsinghua Univ, Dept Chem Engn, Beijing Key Lab Green Chem React Engn & Technol, Beijing 100084, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 09期
关键词：
Graphene nanosheet; Carbon nanotube; Composite electrode; Polyaniline; Supercapacitor; CARBON NANOTUBE COMPOSITE; ELECTROCHEMICAL CAPACITANCE; POLYANILINE; PERFORMANCE; MICROSTRUCTURE;
D O I：
10.1016/j.jpowsour.2009.11.028
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：
Graphene nanosheet/carbon nanotube/polyaniline (GNS/CNT/PANI) composite is synthesized via in situ polymerization. GNS/CNT/PANI composite exhibits the specific capacitance of 1035 F g(-1) (1 mV s(-1)) in 6 M of KOH, which is a little lower than GNS/PANI composite (1046 F g(-1)), but much higher than pure PANI (115 F g(-1)) and CNT/PANI composite (780 F g(-1)). Though a small amount of CNTs (1 wt.%) is added into GINS, the cycle stability of GNS/CNT/PANI composite is greatly improved due to the maintenance of highly conductive path as well as mechanical strength of the electrode during doping/dedoping processes. After 1000 cycles. the capacitance decreases only 6% of initial capacitance compared to 52% and 67% for GNS/PANI and CNT/PANI composites. (c) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：3041 / 3045
页数：5
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