Enhanced electrochemical performance of a polyaniline-based supercapacitor by a bicontinuous microemulsion nanoreactor approach
Yeszhan Y. Duisenbekov S. Kurmangaliyeva D. Kazhigitova D. Askar P. Tileuberdi Y. Konarov A. Adilov S. Nuraje N.
14 January 2025Royal Society of Chemistry
RSC Advances
2025#15Issue 21205 - 1211 pp.
Polyaniline (PANI)-based supercapacitors suffer from environmental and mechanical instabilities. In this work, a novel bicontinuous microemulsion approach was developed to fabricate a unique nanofibre structure of polyaniline and its 3D-crosslinked network using crosslinking chemistry, which improved both the mechanical and electrochemical performance of a PANI-based supercapacitor. The polyaniline nanofibers and its 3D-crosslinked networks produced by bicontinuous nanoreactors were investigated using experimental tools, such as SEM, FTIR, BET, TGA and DSC. Electrochemical evaluations for the above polyaniline nanofibers and its 3D-crosslinked materials was performed via cyclic voltammetry and galvanostatic charge–discharge measurements. The result of this study demonstrated that the PANI nanofiber exhibited the highest specific capacitance of 280.4 F g−1 at a current density of 1 A g−1, while both PANI-based supercapacitors made of nanofibers and 3D-crosslinked materials retained good cycling stability of 98% during continuous redox cycling.
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Department of Chemical and Materials Engineering, School of Engineering & Digital Science, Nazarbayev University, Astana, 010000, Kazakhstan
Department of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Institute of Natural Sciences and Geography, Abai Kazakh National Pedagogical University, 13, Dostyk ave., Almaty, 050010, Kazakhstan
Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, Astana, 010000, Kazakhstan
Lab of Renewable Energy, National Laboratory Astana, Nazarbayev University, Astana, 010000, Kazakhstan
Department of Chemical and Materials Engineering
Department of Chemistry and Chemical Technology
Institute of Natural Sciences and Geography
Department of Chemistry
Lab of Renewable Energy
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