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Polyacrylic Acid/Polypyrrole/Silver Nanowires Nanocomposite Electrode for Electrochemical Supercapacitor

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This paper reports the synthesis and enhanced electrochemical performance of polypyrrole (PPY)/polyacrylic acid (PAA)/silver nanowire (AgNW) nanocomposites. In this ternary structure, the AgNWs provide a highly conductive path to the PPY spherical granules and PAA acts as a binder. The deposition of PPY-PAA-AgNWs was carried out on a stainless steel substrate using a dip coating technique. The surface morphology of the films was examined by field emission scanning electron microscopy, which revealed the presence of AgNWs on the PPY-PAA granular background that further reduced the charge transfer resistance. The PPY-PAA-AgNWs showed a specific capacitance of 383 Fg−1 at 10 mVs−1 and an energy density of 3.75 Whkg−1 at 0.2 mA, indicating the positive synergistic effect of AgNWs and PPY.
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Keywords: Polypyrrole; Silver Nanowires; Supercapacitors

Document Type: Research Article

Affiliations: 1: Department of Automotive Lighting Fusion Engineering, Yeungnam University, Gyeongsan, Gyeoungbuk 38541, South Korea 2: Department of Physics, Yeungnam University, Gyeongsan, Gyeoungbuk 38541, South Korea 3: Ulsan National Institute of Science and Technology, Ulsan 44919, South Korea

Publication date: November 1, 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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