Conductive polypyrrole-bacterial cellulose nanocomposite membranes as flexible supercapacitor electrode

被引:131
|
作者
Xu, Jie [1 ]
Zhu, Ligen [1 ]
Bai, Zikui [1 ]
Liang, Guijie [2 ]
Liu, Li [1 ]
Fang, Dong [1 ]
Xu, Weilin [1 ]
机构
[1] Wuhan Text Univ, Coll Mat Sci & Engn, State Key Lab Cultivat Base New Text Mat & Adv Pr, Wuhan 430200, Peoples R China
[2] Hubei Univ Arts & Sci, Hubei Key Lab Low Dimens Optoelect Mat & Devices, Xiangyang 441053, Peoples R China
关键词
Bacterial cellulose; Polypyrrole; Nanocomposites; Flexible electrode; Supercapacitors; ENERGY-STORAGE DEVICES; POLYANILINE NANOCOMPOSITES; PAPER; TEXTILES; POLYMERIZATION; FILMS; SURFACTANTS; COMPOSITES; NANOFIBERS; STABILITY;
D O I
10.1016/j.orgel.2013.09.042
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Conductive nanocomposite membranes of polypyrrole/bacterial cellulose (PPy/BC) were fabricated in situ by oxidative polymerization of pyrrole with iron (III) chloride as an oxidant and BC as a template. The morphology of the PPy/BC membrane indicated that PPy nanoparticles deposited on the BC surface connected to form a continuous nanosheath structure by taking along the BC nanofiber. The flexible PPy/BC membrane obtained with the optimized reaction condition exhibited a high electrical conductivity of 3.9 S cm(-1), which was hardly affected by bending stress. The PPy/BC membrane could be directly used as flexible supercapacitor electrodes, with a maximum discharge capacity of 101.9 mA h g(-1) (459.5 F g(-1)) at 0.16 A g(-1) current density. The capacity decreased with charge/discharge cycling, which is attributed to mechanical degradation of PPy as evidenced by scanning electron microscopy (SEM). (C) 2013 Elsevier B. V. All rights reserved.
引用
收藏
页码:3331 / 3338
页数:8
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