Transformation of β-Ni(OH)2 to NiO nano-sheets via surface nanocrystalline zirconia coating: Shape and size retention |
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| Authors: | Ming-Yao Cheng Bing-Joe Hwang |
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| Affiliation: | (1) Nano-electrochemistry Laboratory Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, 106, Taiwan, ROC;(2) National Synchrotron Radiation Research Center, Hsinchu, 300, Taiwan, ROC |
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| Abstract: | Shape and size of the synthesized NiO nano-sheets were retained during transformation of sheet-like β-Ni(OH)2 to NiO at elevated temperatures via nano-sized zirconia coating on the surface of β-Ni(OH)2. The average grain size was 6.42 nm after 600 °C treatment and slightly increased to 10 nm after 1000 °C treatment, showing
effective sintering retardation between NiO nano-sheets. The excellent thermal stability revealed potential application at
elevated temperatures, especially for high temperature catalysts and solid-state electrochemical devices. |
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| Keywords: | Thermal stability Nickel oxide Solid oxide fuel cell Surface coating Anode |
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