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J. Cent. South Univ. Technol. (2009) 16: 0236-0241 DOI: 10.1007/s11771-009-0040-4 Effect of doping Bi on oxygen evolution potential and corrosion behavior of Pb-based anode in zinc electrowinning...; Abstract: A new anodic material of ternary Pb-0.8%Ag-(0-5.0%)Bi alloy for zinc electrowinning was obtained by doping Bi. The anodic oxygen evolution potential, corrosion rate......
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this value within a certain range by a Jetronic control unit. The exhaust analyzer was calibrated by a standard gas with a known oxygen concentration. The potential output from the sensor... Preparation and analysis of zirconia oxygen sensors LUO Zhi-an(罗志安), XIAO Jian-zhong(肖建中), XIA Feng(夏 风) State Key Laboratory of Plastic Forming Simulation and Die and Mould Technology......
Potential-pH diagrams of Cr-H2O system at elevated temperatures YOU Hai-xia (尤海侠)1, 2, XU Hong-bin(徐红彬)1, ZHANG Yi(张 懿)1,ZHENG Shi-li (郑诗礼)1, GAO Yi-ying(高毅颖)1 1. National Engineering Laboratory... 2009 ____________________________________________________________________________________________ Abstract: The potential-pH diagrams of the Cr-H2O system at temperatures of 298, 323, 373 and 423 K......
Control of redox potential by oxygen limitation in selective bioleaching of chalcocite and pyriteBiao Wu,Jian-Kang Wen,Bo-Wei Chen,Guo-Cheng Yao,Dian-Zuo WangNational Engineering Laboratory..., the dissolution rates of chalcocite and pyrite are controlled by redox potentials. Experiment on the bioleaching of chalcocite and pyrite under constant redox potential by sparging with nitrogen gas......
sol-gel method (5.08 m2/g). The oxygen reduction reaction activity of the oxide in 0.1 mol/L KOH solution was studied using a rotating ring-disk electrode. In the tests, the initial potential of 0.88... J. Cent. South Univ. (2021) 28: 1305-1315 DOI: https://doi.org/10.1007/s11771-021-4698-6 Porous layered La0.6Sr0.4Co0.2Fe0.8O3 perovskite with enhanced catalytic activities for oxygen reduction XU......
for printing circuitry and sulfate chromium electroplating[3]. Depending on the application, materials with low over potential for oxygen evolution reaction are required. Nevertheless, the study... potential for oxygen evolution is determined by the metal/metal oxide or the lower metal oxide/higher metal oxide couple[21]. As for IrO2 based oxide anodes, IrO2/IrO3 couple is generally concerned......
Preparation of nano-platinum and its catalytic activity toward methanol oxidation and oxygen reduction HUANG You-ju(黄幼菊), DAI Hong-hai(戴宏海), LI Wei(李 伟), ZHANG Qing-long(张庆龙), ZHAO Ling-zhi(赵灵智... prepared on a glass carbon electrode by cyclic voltammetry. The surface morphology and active area of the catalysts, and their catalytic activity toward methanol oxidation and oxygen reduction were......
which concentration polarization due to the dissolved oxygen reduction reaction occurs corresponds to the cathodic protection potential. This potential ranges in base metal and FSWed part were from... of -0.7 V had the lowest value. As the potential shifted in the more negative direction, the current density increased. In general, current densities that show polarization due to the dissolved oxygen......
has a comparable onset potential and a higher diffusion-limiting current density than the commercial 20 wt% Pt/C catalyst in alkaline electrolyte. The oxygen reduction reaction mechanism catalyzed... ARTICLE J. Cent. South Univ. (2019) 26: 1458-1468 DOI: https://doi.org/10.1007/s11771-019-4102-y Red-blood-cell-like nitrogen-doped porous carbon as an efficient metal-free catalyst for oxygen......