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description Journal article public Indonesian Journal of Materials Science

Hibiscus Fiber Carbon for Fuel Cell Device Material

Nanik Indayaningsih, Anne Zulfia, Dedi Priadi, Suprapedi Suprapedi
Published December 2010

Abstract

The objective of this research is carbon of hibiscus fibers for the application as basic material of fuel cell device. The carbon is made using a pyrolysis process in inert gas (nitrogen) for 1 hour at temperature of 500 oC, 700 oC and 900 oC. The X-Ray Diffractometer (XRD), Scanning Electron Microscope (SEM) and Impedance-Capacitance-Resistance-meter are used to find out the microstructure, morphology and electrical properties respectively. The results of the experiment showed that the carbon had a structure of amorphous, and as the semiconductor material the electrical conductivity was 5 x 10-5 S.cm-1 to 4.9 x 10-5 S.cm-1 increasing in accordance with the pyrolisis temperature. The morphology resembled to plaited mats constructed by porous fibers having width of 50 µm to 300 µm, thickness of 25 µm to 35 µm, and the porous size of 0.5 µm to 5 µm. This morphology enables carbon to be applied as a candidate for a basic material of the Proton Exchange Membrane Fuel Cell.

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