期刊
CHEMICAL ENGINEERING JOURNAL
卷 460, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2023.141607
关键词
Biomass; Porous graphitic carbon material; Supercapacitor; Activation; Graphitization
This review summarizes the recent progress in the preparation methods of biomass-based porous graphitic carbon (BPGC), including activation, catalytic graphitization, and simultaneous activation-graphitization. The mechanisms of structure evolution during activation and graphitization are highlighted. The advances in optimizing and restructuring the microstructure of BPGC from 0D to 3D are presented. The structure-performance correlation of BPGC for supercapacitors is discussed, along with the challenges and opportunities for its further development in energy storage.
Owing to the environmental friendliness, renewability, and biodegradability of biomass, tremendous efforts have been devoted to use them as promising carbon precursors in sustainable energy storage devices. Biomass-based porous graphitic carbon (BPGC), possessing both large specific surface area and good conductivity, has received particular attention as an electrode material in supercapacitors. Herein, this review summarizes the latest progress toward the preparation methods of BPGC, which include activation, catalytic graphitization, and simultaneous activation-graphitization, and special attention is given to the mechanisms of structure evolution during activation and graphitization. The review also presents the advances for optimizing and restructuring the microstructure of BPGC from 0D to 3D. Besides, structure-performance correlation of BPGC for supercapacitor is presented and discussed. Furthermore, insights into challenges and opportunities for the further development of BPGC for energy storage are pointed out. Overall, this review will not only help researchers choose appropriate method to construct BPGC, but also open various directions to optimize ions and electrons transport for high-performance energy storage devices.
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