电催化

Results il lustrated that the size of SnO2 crystal particle prepared with sol- gel method is owing to nanometer-size.

结果表明，溶胶-凝胶法制备的电极为纳米涂层电极，表面裂纹较少，晶体发育完全，有利于SnO2， Gd2 O3和吸附氧的表面聚集，进而提高了电催化电极的性能。

It was also showed by the results of linear polarization and impedance spectroscopy that hydrogen storage alloys coated could increase the exchange current density I0 and reduce the electrochemical reaction resistance, illustrating that the surface coating could increase electrocatalytic activity and enhance the diffusivity of electric charge in alloy surface, so that the high-rate discharge performance of the coated electrode was improved.

线性极化扫描和电化学阻抗图谱分析结果表明，包覆Cu、Cu-Co及Cu-Ni处理改善合金电极的交换电流密度I0，降低电化学阻抗，说明包覆处理改善合金表面的电催化活性，加快合金表面电荷的迁移速率，从而提高高倍率放电能力。

The electrochemical behavior was studied at different electrodes by cyclic voltammetry, which showed significant electrocatalytic effect of the silver electrode on the reduction of benzyl chloride.

通过循环伏安法研究了苄基氯在不同电极上的电化学行为，结果表明了银电极对苄基氯的还原具有很强的电催化效果。

The development of active anodes is therefore a hot research topic in thisfield.

因此，高效、廉价的阳极材料的研发是目前电催化氧化领域的研究重点。

At Hcy/Au electrode, there were electrocatalytic responses of DA and E with ΔEp 57.5mV and 63.5mV, respectively. The standard rate constants k〓 were calculated as 2.1×10〓 cm s〓 and 1.6×10〓 cm s〓 corresponding to DA and E. The electron transfer number n〓=1 was achieved, which revealed that the 2e transfer of DA and E is not completed by one step at the electrode. Because AA also displayed electrocatalytic behavior at Hcy/Au electrode, DA and E can be determined in presence of AA.At Hcy/Au electrode, a pair of very stable and well-defined redox waves of Mb were obtained.

在Hcy/Au电极上分别得到多巴胺、肾上腺素的一对可逆的氧化还原波，求出两者的电极反应速率常数分别为2.2×10〓cm s〓和1.6×10〓cm s〓，推导出在两者的电极反应过程中均存在一个自由基并且它的形成决定了整个电极反应的速度；由于抗坏血酸在此电极上也具有电催化响应，可以在抗坏血酸存在下对多巴胺和肾上腺素进行测定。

It has been proved that surface confined quinones can greatly impove the electrocatalytic activity for ORR.

醌类化合物修饰电极具有的明显的电催化氧还原活性，引起了电化学工作者的广泛研究。

The electrochemical properties of the MWCNT/GCE were investigated with cyclic voltammetry. Electrocatalytic oxidations of phenol, catechol and hydroquinone at the sensitivity of the were also studied further.

并用伏安法分析了电极表面MWCNT在B-R缓冲溶液中的电化学行为，在此基础上着重研究了苯酚、邻苯二酚和对苯二酚在MWCNT/GCE上的电催化氧化。

Aiming at solving the problem in the electrochemical oxidation of ammonia wastewater,the tin and antimony electrodes based on titanium were manufactured,the effect of different manufacturing condition to the impact of electrochemical oxidating ammonia wastewater was researched. After researching the influential factor and optimizing the manufacturing condition,the appearance analysis and the electrochemical analysis was hold on, the electroactivated character of the electrodes was studied to provide warrant to its application in the ammonia wastewater.

本论文从电化学氧化法处理含氨氮废水的问题出发，对钛基锡锑电极材料进行研制，考察了不同的制备条件对含氨氮废水的电化学氧化去除的影响，研究了各影响因素并优化了制备条件，并对其进行了表面形貌分析、电化学分析的研究，微观地研究了电极的电催化性能，为其应用于实际氨氮废水处理中提供了依据。

The research results demonstrated that it was a good method that hydrxoypivalic acid was prepared from hydroxypivalaldhyde by the direct electrooxidation method at the lead dioxide and tin dioxide electrodes.

以羟基新戊醛为原料，PbO2电极对羟基新戊醛的电催化活性最高，以硫酸为支持电解质，有隔膜电解槽内，生成羟基新戊酸的选择性和电流效率最高。

Taking titanium as the base metal, a kind of tin dioxide catalytic electrode with an inter-layer containing Mn(Ti/Mn/SnO2) was prepared by pyrolysis.

采用高温热氧化方法制备了含Mn中间层的钛基二氧化锡电催化电极Ti/Mn/SnO2。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。