Nickel, cobalt, and manganese oxide composite as an electrode material for electrochemical supercapacitors |
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| Authors: | Guoping Wang Lixia Liu Lei Zhang Jiujun Zhang |
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| Institution: | 1. College of Chemical Engineering, University of South China, Hengyang, 421001, China
2. Institute for Fuel Cell Innovation, National Research Council of Canada, 4250 Wesbrook Mall, Vancouver, BC, V6T 1W5, Canada
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| Abstract: | A composite material, Ni1/3Co1/3Mn1/3(OH)2, is synthesized by chemical precipitation method for supercapacitors' electrode material. Physical characterizations using x-ray diffraction, energy-dispersive x-ray, and scanning electron microscopy show that Ni1/3Co1/3Mn1/3(OH)2 possesses an amorphous structure and higher specific surface area (268.5 m2?g?1), which lead to a high initial specific capacitance of 1,403 F?g?1 in the potential window of 0–1.5 V. It may be a potential electrode material for future supercapacitor when its cycling stability and rate performance are addressed. |
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