Influence of ionic liquid on pseudocapacitance performance of electrochemically synthesized conductive polymer: Electrochemical and theoretical investigation
| Autor: | Ali Ehsani, M. Dashti Najafi, H. Mohammad Shiri, Elaheh Kowsari, R. Safari |
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| Rok vydání: | 2017 |
| Předmět: |
Supercapacitor
Conductive polymer Materials science Inorganic chemistry 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry Electrosynthesis 01 natural sciences Pseudocapacitance 0104 chemical sciences Surfaces Coatings and Films Electronic Optical and Magnetic Materials Dielectric spectroscopy Biomaterials chemistry.chemical_compound Colloid and Surface Chemistry chemistry Ionic liquid Cyclic voltammetry 0210 nano-technology |
| Zdroj: | Journal of Colloid and Interface Science. 500:315-320 |
| ISSN: | 0021-9797 |
| DOI: | 10.1016/j.jcis.2017.04.014 |
| Popis: | This study demonstrates a method for improving supercapacitive performance of electrochemically synthesized conductive polymer. In this regards, 1-Butyl-3-methyl imidazolium hexafluorophosphate (BI) as a new high efficient ionic liquid was synthesized using chemical approach and then fabricated POAP/BI films by electro-polymerization of POAP in the presence of BI to serve as the active electrode for electrochemical supercapacitor. Theoretical study (AIM) and electrochemical analysis have been used for characterization of ionic liquid and POAP/BI composite film. Different electrochemical methods including galvanostatic charge-discharge experiments, cyclic voltammetry and electrochemical impedance spectroscopy are carried out in order to investigate the performance of the system. This work introduces new most efficient materials for electrochemical redox capacitors with advantages including ease synthesis, high active surface area and stability in an aqueous electrolyte. |
| Databáze: | OpenAIRE |
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