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A Study on Corrosion Resistance and Electrical Surface Conductivity of an Electrodeposited Ni-W Thin Film
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 Title & Authors
A Study on Corrosion Resistance and Electrical Surface Conductivity of an Electrodeposited Ni-W Thin Film
Park, Je-Sik; Jeong, Goo-Jin; Kim, Young-Jun; Kim, Ki-Jae; Lee, Churl-Kyoung;
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 Abstract
A Ni-W thin-film was synthesized by electrodeposition, and its corrosion resistance and electrical surface conductivity were investigated. Amount of tungsten in the Ni-W thin-film increased linearly with current density during the electrodeposition, and crack-free and low-crystalline Ni-21 at.%W coating layer was obtained. Corrosion resistances of the Ni-W thin-films were examined with an anodic polarization method and a storage test in a strong sulfuric acid solution. As a result, the Ni-21 at.%W thin-film exhibited the greatest corrosion resistance, and maintained the electrical surface conductivity even after the severe corrosion test, which could be applicable as a surface treatment for advanced metallic bipolar plates in fuel cell or redox flow battery systems.
 Keywords
Ni-W alloy;Electrodeposition;Corrosion;Surface conductivity;Bipolar plate;
 Language
Korean
 Cited by
1.
Development of Concentration Control System for Ni-W Alloy Plating Solution, Journal of the Korea Academia-Industrial cooperation Society, 2016, 17, 7, 273  crossref(new windwow)
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