Exploring electrolyte specific effects on multisheets 2-dimensional Ti₃C₂T_x-BiFeO₃ nanocomposites electrodes for...

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• MXene-BiFeO3 (MXene-BFO) nanocomposites are promising for energy storage.
• Optimizing electrode-electrolyte interactions is crucial for supercapacitor performance.

Purpose of the Study:

• To investigate the impact of various aqueous electrolytes on MXene-BFO nanocomposites.
• To determine the optimal electrolyte for enhanced electrochemical performance.

Main Methods:

• Structural and morphological characterization using XRD, Raman, SEM, and EDS.
• Electrochemical analysis including CV, GCD, and EIS.
• Testing with NaOH, Na2SO4, MgSO4, and LiCl electrolytes.

Main Results:

• 1 M NaOH demonstrated optimal pseudocapacitive performance.
• Achieved specific capacitance of 532 F/g, energy density of 53.8 Wh/kg, and power density of 1.62 kW/kg.
• 1 M NaOH showed low resistance and high coulombic efficiency over 10,000 cycles.

Conclusions:

• 1 M NaOH is a highly effective electrolyte for MXene-BFO based supercapacitors.
• Findings provide insights into optimizing electrode-electrolyte interactions for advanced energy storage.