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논문 기본 정보

저자정보
(Korea Institute of Ceramic Engineering and Technology)
저널정보
한양대학교 청정에너지연구소 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제13권 제S2호
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    초록·키워드

    To improve the electrical conductivity of MnO2, the composite material of mesoporous carbon and MnO2 was synthesized. The mesoporous carbon was prepared by a polymerization-induced colloid aggregation method (PICA) using melamine formaldehyde resin as the carbon precursor and fumed silica (14 nm) as a hard template. The composite of mesoporous carbon and MnO2 was prepared by a redox reaction between KMnO4 and oxygen on the surface of carbon. The synthesized mesoporous carbon has a high specific surface area (~ 1500 m2 g-1) and an average pore size as large as 7 nm. Electrochemical properties of the mesoporous carbon-MnO2 composite were elucidated by cyclic voltammograms and galvanostatic chargedischarge in 1.0 M Na2SO4 electrolyte. A specific capacitance of 128 Fg-1 was obtained at a current density of 0.1 Ag-1.

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