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Electrocatalysis of Oxygen Evolution Reaction on Ti/SnO_2+RuO_2+MnO_2/MnO_2 Electrode in Sulfuric Acid Solution 认领 引用 被引量:5
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作者 LIANG Zhen-hai FAN Cai-mei SUN Yan-ping 《Chemical Research in Chinese Universities》 SCIE EI CAS 2001年第3期287-292,共6页
The Ti-Supported MnO_2 electrode was modified by introducing SnO_2+RuO_2+MnO_2 as an intermediate layer into the Ti/MnO_2 interface. The anodic polarization curves were measured at various temperatures ranging from 30... The Ti-Supported MnO_2 electrode was modified by introducing SnO_2+RuO_2+MnO_2 as an intermediate layer into the Ti/MnO_2 interface. The anodic polarization curves were measured at various temperatures ranging from 30 to 80℃ and the activation energy for the oxygen evolution reaction was evaluated. The experimental activation energy increased linearly with increasing the overpotential. The activation energy at the equilibrium potential was linearly correlated with the difference between the crystal field stabilization energies of Mn4+ at initial state and Mn4+ at transition state. The electrocatalysis characteristics of the anode were discussed by means of the mechanism of the substitution reaction of the ligand(S_N1 and S_N2) and molecular orbital theory. The results show that the anode has better electrocatalystic characteristics. 展开更多
关键词 Ti/SnO2+RuO2+MnO2/MnO2 anode Electroeatalysis Activation energy Crystal field theory Molecular Orbital theory
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Ti/SnO_2+Sb_2O_3+MnO_2/PbO_2阳极的性能研究 认领 引用 被引量:25
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作者 梁镇海 孙彦平 《无机材料学报》 SCIE EI CAS 北大核心 2001年第1期183-187,共5页
制备了一种非贵金属阳极-Ti/SnO2+Sb2O3+MnO2/PbO2,并用XRD、SEM进行了表征,计算出了电极的分形维数,测定了该电极在硫酸中的使用寿命和动力学参数,把该电极用于处理含酚废水和Pb电极进行对比.结果表明,节电33%,转化率达9... 制备了一种非贵金属阳极-Ti/SnO2+Sb2O3+MnO2/PbO2,并用XRD、SEM进行了表征,计算出了电极的分形维数,测定了该电极在硫酸中的使用寿命和动力学参数,把该电极用于处理含酚废水和Pb电极进行对比.结果表明,节电33%,转化率达95%,是一种优良的电化学催化剂. 展开更多
关键词 Ti/SnO2+SB2O3+MnO2/PBO2阳极 废水处理 分形维
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电催化氧化法处理生活污水研究 认领 引用 被引量:9
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作者 汪定国 王建飞 李炳华 《环境工程》 CAS 北大核心 2007年第3期29-32,共4页
研究制作了3种金属氧化物修饰电极:Ti/SnO2-Sb2O3、Ti/RuO2-IrO2、Ti/SnO2-Sb2O3-MnO2/PbO2,用这3种电极电解葡萄糖溶液,筛选出了处理效果最好的电极——Ti/SnO2-Sb2O3-MnO2/PbO2电极。通过Ti/SnO2-Sb2O3-MnO2/PbO2电极电解葡萄糖溶液实... 研究制作了3种金属氧化物修饰电极:Ti/SnO2-Sb2O3、Ti/RuO2-IrO2、Ti/SnO2-Sb2O3-MnO2/PbO2,用这3种电极电解葡萄糖溶液,筛选出了处理效果最好的电极——Ti/SnO2-Sb2O3-MnO2/PbO2电极。通过Ti/SnO2-Sb2O3-MnO2/PbO2电极电解葡萄糖溶液实验,研究了电解时间、电流密度、电解质浓度等因素对电解效果的影响。 展开更多
关键词 电催化氧化 Ti/SnO2-Sb2O3.MnO2/PbO2电极 葡萄糖溶液 生活污水
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