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Iranian Journal of Materials Science and Engineering، جلد ۲۲، شماره ۱، صفحات ۱۲۹-۱۳۶
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عنوان انگلیسی Foam-like Electroplated Ni-W/graphene Oxide Composite Coating with High Porous Surface: An Efficient Electrocatalyst for the Hydrogen Evolution Reaction
چکیده انگلیسی مقاله In this research, the morphology of the Ni-W coating was modified by adding graphene oxide (GO) nanosheets in such a way that a foam-like structure with high porosity and holes in the form of intertwined tunnels was obtained. Different amounts of GO nanosheets were added to the plating bath and the resulting coating was examined. In order to estimate the electrochemically active surface area, the cyclic voltammetry (CV) test was used. Moreover, the linear polarization test (LSV) and chronoamperometry in 1 M NaOH were conducted to investigate the electrocatalytic activity for the hydrogen evolution reaction (HER). It was found that by adding 0.4 g/L GO to the electroplating bath, the electrocatalytic properties are doubled and the active surface of the electrode is significantly increased.
 
کلیدواژه‌های انگلیسی مقاله Alkaline water splitting,Composite coating,Hydrogen Evolution Reaction,Electrochemically active surface area,Renewable energy
نویسندگان مقاله | Mohammad Derakhshani
School of Metallurgy and Materials Engineering, Iran University of Science & Technology


| Saeed rastegari
School of Metallurgy and Materials Engineering, Iran University of Science & Technology


| Ali Ghaffarinejad
School of Metallurgy and Materials Engineering, Iran University of Science & Technology
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-71-6&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Influence of processing and post-processing on microstructure and mechanical properties
نوع مقاله منتشر شده Research Paper
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