Journal
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
Volume 11, Issue 3, Pages 372-377Publisher
SPRINGER
DOI: 10.1007/s10008-006-0155-6
Keywords
mesoporous; NiO; electrochemical capacitors (ECs)
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A mesoporous electrochemical active material NiO with face center cubic structure has been synthesized using supramolecular as template and urea as hydrolysis-controlling agent. The synthesized product was characterized physically by thermogravimetric analysis, X-ray diffraction, transmission electron microscopy, and Brunauer-Emmett-Teller-specific surface area measurement. Electrochemical characterization was performed using cyclic voltammetry and chronopotentiometry in 6 mol/l KOH aqueous solution electrolyte. A specific capacitance of approximately 327 F/g was obtained by annealing the sample at 350 degrees C. To get a better understanding of the effect of supramolecular template on improving the structure property and electrochemical performance, a compared experiment was also carried out in this work.
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