A high performance PEDOT/PPy composite electrode enabled by regulating molecular growing orientation

被引：0
|
作者：
Li, Zongyu [1 ,2 ]
Jin, Yingzhi [2 ]
Liu, Yanfeng [3 ]
Li, Wangnan [4 ]
Nie, Shisong [2 ]
Su, Zhen [2 ]
Song, Jiaxing [2 ]
Hu, Lin [2 ]
Yin, Xinxing [2 ]
Huang, Sanqing [1 ]
Wang, Hao [2 ]
Li, Zaifang [2 ]
机构：
[1] Zhejiang Sci Tech Univ, Natl Engn Lab Text Fiber Mat & Proc Technol Zhejia, Hangzhou 310018, Zhejiang, Peoples R China
[2] Jiaxing Univ, China Australia Inst Adv Mat & Mfg, Jiaxing 314001, Peoples R China
[3] Jiaxing Univ, Nanotechnol Res Inst, Coll Mat & Text Engn, Jiaxing 314001, Peoples R China
[4] Hubei Univ Arts & Sci, Hubei Key Lab Low Dimens Optoelect Mat & Devices, Xiangyang 441053, Peoples R China
来源：
SYNTHETIC METALS | 2023年 / 294卷
基金：
中国国家自然科学基金;
关键词：
Conductive polymer; PPy; PEDOT; Counterion; Morphology; High capacitance; MULTILAYER FILMS; LAYER;
D O I：
10.1016/j.synthmet.2023.117322
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The conductive polymer is a promising candidate for energy storage devices due to its flexibility, light weight, and low cost. Polypyrrole (PPy) has been widely investigated as active material in supercapacitors. Here, conductive Poly (3,4-ethyldioxythiophene) (PEDOT) is used as a substrate for electropolymerization of PPy. The counterion CF3SO3- of PEDOT can adjust the electropolymerization rate and molecular growing orientation of PPy. Therefore, the mass capacitance of the composite electrode (PEDOT/PPy) reaches a top value of 551 F/g, at 2 A/g in 1 M H2SO4 electrolyte. This value outperforms the PPy electrode on the ITO substrate by around 53.9%. Moreover, the composite electrode (PEDOT/PPy) shows better stability compared to the PPy on the ITO substrate. This study provides a new route for the preparation of high electrochemical performance conductive polymer composite electrodes.
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收藏
页数：6
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