کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11007805 | 1840504 | 2018 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Corrosion resistance mechanism of a novel porous Ti/Sn-Sb-RuOx/β-PbO2 anode for zinc electrowinning
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Sn-SbOx, Sn-Sb-RuOx, and β-PbO2 coatings were successfully deposited on a titanium substrate by using the thermal deposition and electrodeposition methods, and their electrochemical properties were investigated in detail. The Sn-Sb-RuOx interlayer played a very important role in enhancing the stability of the PbO2 coating electrodeposited at a low current density. The scanning electron microscopy results showed that the cracks in the Sn-Sb-RuOx coating were larger than those in the Sn-SbOx coating. Moreover, the Ti/Sn-Sb-RuOx/β-PbO2 coating had many large pits with pore diameters in the range of 50-180âμm and pore depths of <18.4âμm. The electrodeposition mechanism of β-PbO2 was investigated by cyclic voltammetry. Compared to the compact β-PbO2 anode, the porous β-PbO2 anode showed superior electrocatalytic activity and electrochemical stability. A service life of 96âh was achieved for this anode under the accelerated-life-test conditions at a current density of 1âA/cm2 in a solution of 150âg/L H2SO4 and 1âg/L Clâ.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Corrosion Science - Volume 144, November 2018, Pages 136-144
Journal: Corrosion Science - Volume 144, November 2018, Pages 136-144
نویسندگان
Buming Chen, Shichuan Wang, Jianhua Liu, Hui Huang, Cansheng Dong, Yapeng He, Wenkai Yan, Zhongcheng Guo, Ruidong Xu, Haitao Yang,