期刊
POLYMER TESTING
卷 44, 期 -, 页码 49-56出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2015.03.005
关键词
Polyaniline; Poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (PAAMPSA); Conductive polymer; Water-dispersibility; Supercapacitors; ZnO nanowires
资金
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [2013R1A1A 1008436]
Water-dispersible and electrically conductive polyaniline-poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (PANI-PAAMPSA) was employed for the first time to fabricate high-efficiency symmetrical supercapacitors. PANI-PAAMPSA was synthesized by the templating method, and subsequently directly processed from water to form flexible supercapacitors with 2 M H2SO4 electrolyte. The capacitive properties of PANI-PAAMPSA-based supercapacitors were further enhanced by incorporating ZnO nanowires into PANI-PAAMPSA electrodes. The all-solution-based supercapacitors with PANI-PAAMPSA/ZnO nanowires exhibited significant capacitance improvements of up to 3-fold increase compared to PANI-PAAMPSA electrodes. The enhanced capacitive characteristics of PANI-PAAMPSA/ZnO nanowires are attributed to the larger surface area and pseudo capacitance due to the nanowires. Our work thus could provide a simple and scalable route to fabricate solution-based and low-cost electrochemical energy storage devices such as supercapacitors or batteries. (C) 2015 Elsevier Ltd. All rights reserved.
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