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Updated: Mar 29, 2026

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance

Published on: November 30, 2022

Supercapacitor Separators from Upcycled Waste Paper with Functionalized Surfaces.

Min Jun Lee¹, Inho Cho², Kwang Se Lee¹

¹Department of Materials Science and Engineering, Gyeongkuk National University, Andong 36729, Republic of Korea.

|March 28, 2026

Summary

This summary is machine-generated.

Waste newspapers are transformed into advanced supercapacitor separators using cellulose membranes, Parylene C, and polyaniline (PANI). This sustainable approach enhances energy storage performance and reduces waste.

Keywords:

polyaniline (PANI) coating separator supercapacitors waste newspaper

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Area of Science:

Materials Science
Electrochemistry
Sustainable Engineering

Background:

Supercapacitor separators are critical components in energy storage devices.
Conventional separators often lack mechanical strength and optimal ion transport.
There is a growing need for sustainable materials in energy storage applications.

Purpose of the Study:

To develop high-performance supercapacitor separators from waste newspapers.
To enhance separator mechanical integrity and electrochemical functionality.
To establish an environmentally responsible method for paper waste valorization.

Main Methods:

Utilizing waste newspapers to create functional cellulose-based membranes.
Sequentially introducing Parylene C and polyaniline (PANI) layers onto cellulose scaffolds.
Conducting comprehensive structural and electrochemical analyses.

Main Results:

The developed dual-layer cellulose-based separators showed improved interfacial stability and ion-transport compared to polyethylene separators.
The synergistic combination of Parylene C and PANI coatings optimized separator-electrolyte interfaces and reduced impedance.
The upcycled membranes demonstrated high performance for supercapacitor applications.

Conclusions:

Waste newspapers can be effectively upcycled into advanced supercapacitor separators.
The functionalized cellulose membranes offer a sustainable and high-performance alternative to conventional separators.
This strategy provides a viable pathway for sustainable energy storage technologies and waste valorization.