Optimization of L-cysteine as a nitrogen and sulfur source in carbon dots synthesized from shrimp shells for supercapacitor electrodes

Key Points

• Carbon dots synthesized from shrimp shells show improved performance in supercapacitor electrodes with optimized l-cysteine.
• Supercapacitor electrodes exhibit increased capacitance, reaching over 300 F/g, and demonstrate high stability with excellent cycling performance.
• Analysis includes the optimization of l-cysteine as both nitrogen and sulfur source for enhanced properties in carbon dots.
• Highlights the significance of sustainable materials, showing potential for eco-friendly energy storage solutions.