期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 34, 期 27, 页码 -出版社
SPRINGER
DOI: 10.1007/s10854-023-11327-4
关键词
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Chemical activation is a simple and cheap method that can improve the electrochemical properties of supercapacitor cell electrodes. The study utilized Salacca zalacca Shell to create a three-dimensional porous carbon framework, which exhibited good electrochemical performance. This provides a simple and feasible strategy for converting biomass waste into porous carbon material.
Chemical activation is a simple and cheap method that can modify the surface morphology associated with improving the electrochemical properties of supercapacitor cell electrodes. Furthermore, the three-dimensional porous carbon framework used in this study was derived from Salacca zalacca Shell (SS) by doping oxygen and optimizing chemical activation reagents (ZnCl2, KOH, and NaOH). This carbon material is the first biomass reportedly applied in supercapacitor cells as electrodes produced through stages of pre-carbonization, chemical activation, and integrated carbonization-physical activation. The SS-derived electrodes showed good electrochemical performance due to the unique three-dimensional framework structure, large specific surface area, high gravity rate, and effective oxygen doping. The symmetrical supercapacitor cells based on SS electrode material had an optimum specific capacitance of 223 Fg(-1). These results provided a clear, simple, and easy synthesis strategy for the large-scale transformation of sustainable biomass wastes into porous carbon material for energy storage and conversion applications.
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