New concept of in situ carbide-derived carbon/xerogel nanocomposite materials for electrochemical capacitor
By Sun, Gangwei; Song, Wenhua; Liu, Xiaojun; Qiao, Wenming; Long, Donghui & Ling, Licheng
Published in Materials Letters
NULL
2011
Abstract
Carbon steel A106 with an aluminized Ni coating was tested in a 5 mol/l (M) monoethanolamine (MEA) with a carbon loading of 0.2 mol/mol MEA at 80 °C using polarization resistance, Tafel, and electrochemical impedance spectroscopy (EIS) techniques. Surface morphology and elemental line profile of the coating were examined before and after a 900 °C heat-treatment in atmosphere environment. X-ray diffraction (XRD) results showed that the coating surface constitutes transformed from Ni2Al3 to Al-rich NiAl after heat-treatment. The electrochemical results show that the heat-treated coating displays outstanding corrosion performance with the conditions tested.
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