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Rare Earth Doping Effects on Properties of Ceria-Zirconia Solid Solution Liang Tao1,Yin Ping1,Hu Yucai1,Jiang Wei1,Liu Bing1 (1.School of Chemistry and Materials Science, Ludong University, Yantai... is available to improve redox performance. Compared with Pd/Ce0.6Zr0.4O2, doping Y and La does not change air/fuel (A/F) characteristic of TWCs, but doping Pr and Tb widens A/F operating window and makes......
Preparation and thermal decomposition mechanism of Mg,Al-hydrotalcite nano-crystals with titania doping REN Qing-li(任庆利)1, LUO Qiang(罗 强)2 1.School of Technical Physics, Xidian University, Xi... with titania doping was synthesized by one-step liquid reaction method at atmospheric pressure. The preparation of the Mg,Al-hydrotalcite nano-crystal after doping titania was investigated according......
J. Cent. South Univ. (2012) 19: 791-796 DOI: 10.1007/s11771-012-1073-7 Using HF rather than NH4F as doping source for spray-deposited SnO2:F thin films S. J. Ikhmayies1, R. N. Ahmad-Bitar2 1... by using SnCl2·2H2O as a precursor and NH4F and HF as doping compounds. A comparison between the properties of the films obtained by using the two doping compounds was performed by using I-V......
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Ultrasonic Degradation of Methyl Orange in Presence of Y2O3 Doping Anatase TiO2 Catalyst Guo Baodong1,PAN Zhijun1,Wen Fuyu1,LIU Zhenrong1,ZHANG Zhaohong1,Wang Jun1 (1.Department of Chemistry, Liaoning University, Shenyang, 110036 China) Abstract:Various affecting factors and degradation mechanism were studied on ultrasonic degradation of methyl orange adopting Y2O3 doping anatase TiO2 catalyst......
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NiF2掺杂对MgH2解氢性能影响机制研究刘友成1,2,周兵2,刘绍忠11. 邵阳职业技术学院汽车与智能制造学院2. 湖南大学汽车车身先进设计制造国家重点实验室摘 要:采用第一原理赝势平面波方法,计算分析了NiF2掺杂对MgH2解氢性能的影响,合金形成热计算结果表明:F原子优先占据MgH2中的H原子位,无论F...能级附近的能隙变窄以及H-H原子的键长变短.合金形成热及交叠聚居数结果表明,Mg与F元素容易成键形成更为稳定的Mg F2化合物,Ni元素与MgH2形成不稳定的Mg2Ni H4化合物,从微观层面证实了NiF2的加入促进化学反应NiF2+3MgH2=Mg F2+Mg2Ni H4+H2的进行,形成更为稳定的Mg F2和不稳定的Mg2Ni H4化合物,从而改善MgH2体系的解氢性能.关键词......
), and electrochemical testing. The results show that the materials are well crystallized and fluoride doping cannot change the space structure of LiFePO4. Slight amounts of Fe2O3 with no fluoride impurity......
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......
J. Cent. South Univ. Technol. (2010) 17: 1139-1143 DOI: 10.1007/s11771-010-0609-y Influence of Ti4+ doping on hyperfine field parameters of Mg0.95Mn0.05Fe2-2xTi2xO4 (0≤x≤0.7) KUMAR S1, PRAKASH R2...+ doping was studied by using the M?ssbauer spectroscopy measurements at room temperature. From the analysis of the M?ssbauer spectra, it is observed that s-electron density, electric field gradient (EFG......