Journal
JOURNAL OF MATERIALS SCIENCE
Volume 48, Issue 4, Pages 1711-1716Publisher
SPRINGER
DOI: 10.1007/s10853-012-6929-6
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Funding
- Nanoscale Science Ph.D. program at UNC Charlotte
- Charlotte Research Scholars program at UNC Charlotte
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In order to produce economically viable supercapacitor devices for electrical energy storage, low cost, and high throughput methods must be developed. We developed a microwave based synthesis for the formation of beta-Ni(OH)(2) for the formation of nickel oxide nanoplates. These nanoplates have shown excellent properties as pseudocapacitive devices with high-specific capacitance. Novel to this article is the use of a microwave reactor which enables a growth process of only 10 min in duration as compared to previous reports requiring a 24 h period. The resulting NiO nanoplates were fully characterized by electron microscopy, electron diffraction, energy dispersive X-ray spectroscopy, UV-Vis spectroscopy, thermo gravimetric analysis, and surface area and porosity measurements. Nanoplates formed using the microwave reactor is similar to those formed by hydrothermal processes. NiO-single walled carbon nanotube composites were made without any binder and the specific capacitance was measured using charge discharge techniques.
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