High Power In-Plane Micro-Supercapacitors Based on Mesoporous Polyaniline Patterned Graphene

Area of Science:

• Materials Science
• Electrochemistry
• Energy Storage

Background:

• Micro-supercapacitors (MSCs) are crucial for portable electronics.
• Graphene and polyaniline are promising electrode materials for energy storage.

Purpose of the Study:

• To demonstrate micro-supercapacitors based on mesoporous polyaniline patterned graphene.
• To investigate the synergistic effects of graphene and mesoporous polyaniline on device performance.

Main Methods:

• Fabrication of mesoporous polyaniline patterned graphene electrodes.
• Electrochemical characterization of micro-supercapacitors.
• Evaluation of volumetric capacitance and rate capabilities.

Main Results:

• The developed MSCs exhibit excellent volumetric capacitance.
• Outstanding rate capabilities were achieved due to synergistic effects.
• A high power density of 600 W cm⁻³ was recorded.

Conclusions:

• The combination of graphene and mesoporous polyaniline offers significant advantages for MSCs.
• These MSCs show great potential for next-generation portable and wearable power supplies.
• The study highlights opportunities for diverse applications in energy storage.