Waste paper-derived porous carbon via microwave-assisted activation for energy 
storage and water purification

Son, J.Y.; Choe, S.; Jang, Y.J.; Kim, Hyejeong

doi:10.1016/j.chemosphere.2024.141798

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Waste paper-derived porous carbon via microwave-assisted activation for energy storage and water purification

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Kim, Hyejeong
Laboratory for Fluid Physics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Son, J., Choe, S., Jang, Y., & Kim, H. (2024). Waste paper-derived porous carbon via microwave-assisted activation for energy storage and water purification. Chemosphere, 355: 141798. doi:10.1016/j.chemosphere.2024.141798.

Cite as: https://hdl.handle.net/21.11116/0000-000F-3604-0

Abstract

The reuse of waste papers by conversion into valuable carbon materials has received considerable attention for diverse applications such as energy storage and water purification. However, traditional methods for converting waste papers into materials with suitable properties for specific applications are often complex and ineffective, involving consecutive carbonization and activation steps. Herein, we propose a simple one-step microwave (MW)-assisted synthesis for preparing waste paper-derived porous carbons (WPCs) for energy storage and water purification. Through a 30-min synthesis, WPCs with graphitic structure and high specific surface area were successfully produced. The fabricated WPCs exhibited outstanding charge storage capability with a maximum specific capacitance of 237.7 F g−1. Additionally, the WPC demonstrates a high removal efficiency for various dyes, achieving a maximum removal efficiency of 95.0% for methylene blue. The developed one-step MW synthesis not only enables the production of porous carbon from waste paper, but also offers a viable approach to address solid waste management challenges while simultaneously yielding valuable materials.