900℃ニッケル触媒炭素化で調製した木質炭素化物の導電特性とナノ構造
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概要
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Wood carbon prepared by nickel-catalyzed carbonization at 900℃ followed by washing with acid for removal of the metal was oxidized in a muffle furnace at 480℃. This eliminated the amorphous region selectively, and the residual carbon became superior to a commercial electro-conductive carbon, Denka black, in the performance. Observations by scanning electron microscopy and transmission electron microscopy disclosed that the crystallite region in the original wood carbon had a novel graphitic nanostructure. It is noted that such a uniquely morphological graphitic carbon can be inexpensively and easily produced from woody biomass.