ItemArticle

High performance symmetric supercapacitor based on microporous PANI@?-Fe2O3/MXene hybrid nanocomposite

Title
High performance symmetric supercapacitor based on microporous PANI@?-Fe2O3/MXene hybrid nanocomposite
Creator
Naik, Hemalatha Krishna; Soman, Gowri; Hegde, Gurumurthy; Basavaraja, Basavanakote Mahadevappa
Description
MXene (Ti3C2Tx), a 2D layered material, has become a trending topic in the field of energy storage, due to its high-power density, flexibility, hydrophilic nature, and ease at which it can form composites with polymers, CNTs, metal oxides, and more. However, the layers of MXene restacks quite easily restricting the number of active sites to the flow of charges. Herein, we have synthesized tri-composite of Ti3C2Tx, ?-Fe2O3, and polyaniline (PANI@?-Fe2O3/Ti3C2TX) via hydrothermal treatment followed by oxidative polymerization. The insertion of ?-Fe2O3 broadens the interlayer distance allowing easy charge/discharge of ions, further addition of PANI enhanced MXenes energy density without altering its power density making MXene more reliable material for energy storage application. The composite exhibits a very high and notable electrochemical performance with 2689.3 Fg?1 specific capacitance at a current density of 1 Ag?1 compared to that of bare MXene (402 Fg?1 at 1 Ag?1). The retention capacitance of 120.7% over 5000 cycles is reported making MXene a promising material in reducing the volume expansion of PANI. A symmetric supercapacitor was fabricated exhibiting a very high energy density of 75.60 Wh kg?1. This work intends to increase MXenes performance favoring hybrid energy storage systems. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2025.
Source
Ionics;Volume;31;Issue;8;pp.8577-8590
Date
01-01-2025
Publisher
Springer Science and Business Media Deutschland GmbH
Subject
Conducting polymer; Hybrid composite; Metal oxide; MXene (Ti3C2Xn); Symmetric supercapacitor
Coverage
Naik H.K., Department of Science and Humanities (Chemistry), PES University, Karnataka, Bangalore, 560085, India; Soman G., Department of Chemistry, Christ University, Hosur Road, Bangalore, 560029, India, Centre for Advanced Research and Development (CARD), Christ University, Hosur Road, Bangalore, 560029, India; Hegde G., Department of Chemistry, Christ University, Hosur Road, Bangalore, 560029, India, Centre for Advanced Research and Development (CARD), Christ University, Hosur Road, Bangalore, 560029, India; Basavaraja B.M., Department of Science and Humanities (Chemistry), PES University, Karnataka, Bangalore, 560085, India
Rights
Restricted Access; Hardcopy may be available in the library
Relation
ISSN: 9477047;
Format
online
Language
English
Type
Article

Citation

Naik, Hemalatha Krishna; Soman, Gowri; Hegde, Gurumurthy; Basavaraja, Basavanakote Mahadevappa, “High performance symmetric supercapacitor based on microporous PANI@?-Fe2O3/MXene hybrid nanocomposite,” CHRIST (Deemed To Be University) Institutional Repository, accessed June 19, 2026, https://archives.christuniversity.in/items/show/21975.

Output Formats