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Single-site carbon layer-based flexible interdigitated micro-supercapacitor: custom miniaturization and surface

Mariyarathinam Vinoth Inbaraj¹, Govindhan Maduraiveeran¹

¹Materials Electrochemistry Laboratory, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur - 603 203, Chengalpattu, Tamil Nadu, India. maduraig@srmist.edu.in.

Chemical Communications (Cambridge, England)

|March 17, 2025

Summary

Researchers developed flexible interdigitated micro-supercapacitors using specialized carbon microfiber electrodes. These devices offer improved energy and power densities through optimized surface chemistry for versatile applications.

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Area of Science:

Materials Science
Electrochemistry
Energy Storage

Background:

Micro-supercapacitors are crucial for portable electronics.
Developing flexible and high-performance energy storage remains a challenge.

Purpose of the Study:

To demonstrate a novel assembly of flexible interdigitated micro-supercapacitors.
To enhance the electrochemical performance of these devices through surface modification.

Main Methods:

Fabrication of interdigitated micro-supercapacitors using single-site carbon-layered carbon microfiber (SSC-200|CMF) electrodes.
Optimization of electrochemical active functional groups on the carbon surface.
Characterization of energy and power densities.

Main Results:

Achieved an energy density of approximately 0.015 μW h cm⁻².
Achieved a power density of approximately 11 μW cm⁻².
Demonstrated high flexibility and customizability of the assembled micro-supercapacitors.

Conclusions:

The developed AI-MSCs show promising performance for flexible energy storage.
Surface chemistry optimization is key to enhancing micro-supercapacitor performance.
The SSC-200|CMF based electrodes offer a versatile platform for advanced energy devices.