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Carbon nanofibers with diameters of 80-100 nm were obtained by the pyrolytic method when a benzene solution containing ferrocene was used as a feedstock. A higher flow rate of carrier gas induced variations in the macro-morphology and also in the microstructure. The characteristics of these fibers were bundle formation, such as a macro-fibril, with a different tip morphology as compared with that...
The topological change of the surface of vapor-grown carbon fibers (VGCFs) as a function of heat treatment temperature was observed using FE-SEM, STM and AFM. The morphological change at the micrometre scale from a smooth surface, to a rope-like structure, and to a grain-like structure was closely related with the volume change, especially due to the annular fiber form. The extent to which the micro-domain...
Submicron vapor grown carbon fibers (VGCFs) obtained by a floating growth method were evaluated in terms of their microstructural development with heat treatment temperature (HTT), physical properties of a single fiber and of the bulk state, and additional effects, such as the filler in the electrode of a lead-acid battery and a Li-ion battery system. Its desirable properties, such as relatively high...
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