Study on Process for Ni-Mo-Co Alloy Electrode Preparation AITranslate
Abstract AITranslate
Ternary Ni-Mo-Co alloy electrode was prepared by electrodeposition.The effects of deposition current density,and temperature and pH of electroplating solution were studied on the catalytic activity for hydrogen evolution reaction of the alloy electrode.The chemical composition and microstructure of the alloy electrode were investigated by EDS and XRD.Based on the polarization curves,the optimal technological conditions can be determined,including deposition current density 15 mA/cm2,temperature 25 ℃ and electroplating solution pH 10.Under the above conditions,the prepared alloy electrode is of amorphous structure,silver bright appearance,smooth and compact surface,and the chemical composition of 34.09% Ni,59.51% Mo and 6.40% Co.Meanwhile,its overpotential of hydrogen evolution in 30% KOH solution is 112 mV,that is 352 mV lower than that of Ni electrode,showing better catalytic activity for hydrogen evolution.
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Basic Information:
DOI：
Chinese Library Classification Number:TQ153.2[化学工程—电化学工业]
Citation Information:
Ternary Ni-Mo-Co alloy electrode was prepared by electrodeposition.The effects of deposition current density,and temperature and pH of electroplating solution were studied on the catalytic activity for hydrogen evolution reaction of the alloy electrode.The chemical composition and microstructure of the alloy electrode were investigated by EDS and XRD.Based on the polarization curves,the optimal technological conditions can be determined,including deposition current density 15 mA/cm2,temperature 25 ℃ and electroplating solution pH 10.Under the above conditions,the prepared alloy electrode is of amorphous structure,silver bright appearance,smooth and compact surface,and the chemical composition of 34.09% Ni,59.51% Mo and 6.40% Co.Meanwhile,its overpotential of hydrogen evolution in 30% KOH solution is 112 mV,that is 352 mV lower than that of Ni electrode,showing better catalytic activity for hydrogen evolution.
quote
| GB/T 7714-2015 | [1] WANG Guo-qing, WEI Hai-jun, ZHU Lei, et al. Study on Process for Ni-Mo-Co Alloy Electrode Preparation[J]. Rare Metals and Cemented Carbides, 2011(1): 21-24. |
| MLA | [1] WANG Guo-qing, et al., "Study on Process for Ni-Mo-Co Alloy Electrode Preparation." Rare Metals and Cemented Carbides, no. 1, 2011, pp. 21-24. |
| APA | [1] WANG Guo-qing, WEI Hai-jun, ZHU Lei, & JIAN Xu-yu. (2011). Study on Process for Ni-Mo-Co Alloy Electrode Preparation. Rare Metals and Cemented Carbides(1), 21-24. |
| IEEE | [1] WANG Guo-qing, WEI Hai-jun, ZHU Lei, and JIAN Xu-yu, "Study on Process for Ni-Mo-Co Alloy Electrode Preparation," Rare Metals and Cemented Carbides, no. 1, pp. 21-24, 2011. keywords: {Ni-Mo-Co alloy;electrodeposition;preparation condition;polarization curve;hydrogen evolution reaction} |