Recent advances and challenges in biomass-derived carbon materials for supercapacitors: A review

•The status on the biomass-derived carbon materials used in supercapacitor electrode was summarized.•The types and basic properties of biomass were classified.•The carbonization and activation processes of biomass-derived carbon materials were summarized.•The effects of carbon structure and heteroat...

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Bibliographic Details
Published in:Fuel (Guildford) 2024-04, Vol.362, p.130795, Article 130795
Main Authors: Yuan, Chuan, Xu, Hao, A. El-khodary, Sherif, Ni, Guosong, Esakkimuthu, Sivakumar, Zhong, Shan, Wang, Shuang
Format: Article
Language:English
Subjects:
Biomass
Heteroatom doping
Porous carbon
Supercapacitor
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Summary:•The status on the biomass-derived carbon materials used in supercapacitor electrode was summarized.•The types and basic properties of biomass were classified.•The carbonization and activation processes of biomass-derived carbon materials were summarized.•The effects of carbon structure and heteroatom doping on the electrochemical performance of supercapacitors were summarized. Carbon materials with large specific surface areas, high durability, and unique internal structure have made them as a research hotspot in energy storage. Biomass, the only renewable carbon source, is abundant, cost effective and high in carbon content, which have been familiarly used in the production of high-performance carbon materials on an industrial scale. Many studies have shown that biomass-derived carbon materials (bio-carbons) have received increasing attention for their greater ability in mitigating environmental problems and promoting sustainable energy storage applications. The present review has overviewed the current progress in the application of bio-carbons as electrodes for supercapacitors. Biomass source and preparation process of bio-carbons were significantly expounded. The influence of heteroatom doping, specific surface area, and pore structure on bio-carbons' electrochemical properties (e.g., specific capacitance, cycle life) have been discussed. Finally, the promising future developments, needed directions and present challenges of bio-carbons in the field of supercapacitors are summarized, providing helpful inspiration for the future development and for efficient utilization of bio-carbons.
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2023.130795