Toward high-performance supercapacitors: Electrodes from solvent-fractionated lignin with enhanced activity

Key Points

• Enhanced activity of electrodes was achieved through solvent-fractionation of lignin, resulting in superior performance.
• Supercapacitors using these lignin-based electrodes exhibited improved energy storage capabilities compared to conventional materials.
• The study utilized a comprehensive characterization approach to assess the electrodes' performance metrics and conductivity.
• These findings highlight the potential of lignin-derived materials in advancing sustainable energy storage solutions.