Chitin and Chitosan Based Hybrid Nanocomposites for Super Capacitor Applications

Area of Science:

• Materials Science
• Electrochemistry
• Nanotechnology

Background:

• Supercapacitors are crucial energy storage devices.
• Developing cost-effective and high-performance electrode materials is essential.
• Chitin and chitosan offer biocompatible and abundant precursors for advanced materials.

Purpose of the Study:

• To synthesize facile and low-cost chitin and chitosan-based hybrid nanocomposites.
• To characterize the properties of these novel hybrid materials.
• To evaluate their performance as electrode materials for supercapacitors.

Main Methods:

• Synthesis of chitin and chitosan-based hybrid nanocomposites.
• Characterization using FTIR, Raman, UV-vis spectroscopy, and SEM.
• Electrochemical performance evaluation via cyclic voltammetry, EIS, and galvanostatic charge-discharge analysis.

Main Results:

• The CH-GO-ZnO/PANI hybrid nanocomposites achieved a specific capacitance of 542.63 F g−1 at 0.1 A g−1.
• The materials exhibited good supercapacitive performance within a voltage range of -0.2 to 1.0 V.
• Excellent long-term cycle stability was observed for the prepared hybrid nanocomposites.

Conclusions:

• The facile synthesis provides a cost-effective route to advanced supercapacitor materials.
• CH-GO-ZnO/PANI hybrid nanocomposites demonstrate significant potential for high-performance energy storage applications.
• These findings highlight the viability of biomass-derived materials in next-generation supercapacitors.