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PAPER
Direct template synthesis of mesoporous carbon and its application to supercapacitor electrodes관리자2020-05-11 조회 2,080 댓글 0이메일주소 site@site.co.kr Author Songhun Yoon, Seung M Oh, Chulwee Lee Journal Materials Research Bulletin Year of Pub. 2009
A direct templating method which is facile, inexpensive and suitable for the large scale production of mesoporous carbon is reported herein. A meso-structure surfactant/silicate template was made in a solution phase and resorcinol–formaldehyde as a carbon precursor was incorporated into the template solution. After aging, carbonization and hydrofluoric acid (HF) etching, mesoporous carbon was obtained. Using X-ray diffraction, scanning and transmission electron microscopy and nitrogen sorption, the synthesis mechanism of the mesoporous carbon was elucidated. According to the small angle X-ray scattering measurements, the surface became smoother after the removal of the silica, indicating that the silica was mostly located at the pore surface of the carbon. Also, the calculation of the pore volume demonstrated that the silica was transferred into the pores of the carbon without structural collapse during HF …
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