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논문 기본 정보

자료유형
동향자료
저자정보
Lee, Dayoung (Department of Applied Chemistry and Biological Engineering, Chungnam National University) Jung, Jin-Young (Department of Applied Chemistry and Biological Engineering, Chungnam National University) Park, Mi-Seon (Department of Applied Chemistry and Biological Engineering, Chungnam National University) Lee, Young-Seak (Department of Applied Chemistry and Biological Engineering, Chungnam National University)
저널정보
한국탄소학회 Carbon letters Carbon letters 제15권 제3호
발행연도
2014.1
수록면
192 - 197 (6page)

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A hierarchical pore structured novolac-type phenol based-activated carbon with micropores and mesopores was fabricated. Physical activation using a sacrificial silicon dioxide ($SiO_2$) template and chemical activation using potassium hydroxide (KOH) were employed to prepare these materials. The morphology of the well-developed pore structure was characterized using field-emission scanning electron microscopy. The novolac-type phenol-based activated carbon retained hierarchical pores (micropores and mesopores); it exhibited high Brunauer-Emmett-Teller specific surface areas and hierarchical pore size distributions. The hierarchical pore novolac-type phenol-based activated carbon was used as an electrode in electric double-layer capacitors, and the specific capacitance and the retained capacitance ratio were measured. The specific capacitances and the retained capacitance ratio were enhanced, depending on the $SiO_2$ concentration in the material. This result is attributed to the hierarchical pore structure of the novolac-type phenol-based activated carbon.

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