전기이중층 커패시터용 리그닌 유도 다공성 탄소 전극에 대한전자빔 조사 효과
Electron Beam Irradiation Effects on Lignin-derived Porous Carbons as Electrode Materials for Electric Double-layer Capacitors
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In this study, electron beam irradiation effects on lignin-derived porous carbons forelectric double-layers capacitors (EDLCs) were demonstrated. Porous carbons (PCs) were preparedfrom lignin via carbonization, chemical activation, and electron beam irradiation. The carbonizedand activated PCs were irradiated with electron beams at various absorbed doses. Based on theanalytical results, the pore area and volume of the PCs increased with an increase in the absorbeddose. The PCs prepared at the optimum dose of 300 kGy showed the highest electrochemicalperformance of the EDLCs. These results indicate that the electron beam irradiation is an effectivemethod to increase the specific surface area and pore volumes of the PCs.
Abstract
In this study, electron beam irradiation effects on lignin-derived porous carbons forelectric double-layers capacitors (EDLCs) were demonstrated. Porous carbons (PCs) were preparedfrom lignin via carbonization, chemical activation, and electron beam irradiation. The carbonizedand activated PCs were irradiated with electron beams at various absorbed doses. Based on theanalytical results, the pore area and volume of the PCs increased with an increase in the absorbeddose. The PCs prepared at the optimum dose of 300 kGy showed the highest electrochemicalperformance of the EDLCs. These results indicate that the electron beam irradiation is an effectivemethod to increase the specific surface area and pore volumes of the PCs.
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