Journal
ACS OMEGA
Volume 3, Issue 10, Pages 13913-13918Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsomega.8b01714
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- Robert A. Welch Foundation [AT-1153]
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Lanthanum hydroxide nanorods were employed as both a template and catalyst for carbon synthesis by chemical vapor deposition. The resulting carbon possesses hollow nanorod shapes with graphitic walls. The hollow carbon nanorods were interconnected at some junctions forming a mazelike network, and the broken ends of the tubular carbon provide accessibility to the inner surface of the carbon, resulting in a surface area of 771 m(2)/g. The hollow carbon was tested as an electrode material for supercapacitors. A specific capacitance of 128 F/g, an energy density of SS Wh/kg, and a power density of 1700 W/kg at 1 A/g were obtained using lthe ionic liquid, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, as the lelectrolyte.
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