碳电极

The specific capacitance of the ACNT electrode was calculated at 16F/g before the MnO2 film modification, and then it increased to 330 F/g after the MnO2 film deposition due to the special Faradic capacitance of MnO2 With scaning for 200 cycles, there's a litter change for its cyclic voltammogram curve, indicating the good reversible and capacitive property for the MnO2-ACNTs composite.

直立碳纳米管电极的比电容为16 F/g，在碳纳米管表面沉积上二氧化锰修饰层后，此复合材料电极的比电容增大至330 F/g，比电容量大幅提升近20倍。同时扫描200圈后，直立碳纳米管与二氧化锰复合材料的循环伏安曲线变化很小，说明其具有相当好的循环寿命和电容稳定性能。

The present invention is process of separating and assembling metallic single wall carbon nanotube and semiconductive single wall carbon nanotube synchronously. The process includes the following steps: photoetching silica substrate to prepare Au electrode, cutting intervals in the electrode with focused ion beam, soaking the electrode in DMF solution of single wall carbon nanotube, and applying electric field of 2-8 V magnitude and 1-10 Hz frequency.

本发明的目的在于提供一种金属性和半导体性单壁碳纳米管的同步分离与组装方法，该金属性和半导体性单壁碳纳米管的同步分离与组装方法包括如下步骤：通过常规光刻在含二氧化硅的衬底上制备金电极的步骤；利用聚焦离子束在电极上刻出若干个间隙的步骤；将上述电极浸入到单壁碳纳米管的DMF溶液的步骤；施加大小为2～8V、频率为1～10Hz的电场的步骤。

Electrochemical capacitor is composed of electric double-layer capacitor and faradaic pseudocapacitor.

电极材料是影响电化学电容器性能的主要因素之一，应用于双电层电容器的电极活性物质主要是各种碳材料，如各种活性炭、热裂解碳、碳纤维、碳纳米管等，考虑到合成工艺和成本因素，我们采用热裂解碳为双电层电容器的电极材料，并研究了它们的电化学性能。

Compared with the bare carbon paste electrode, the anodic peak potential shifted negatively by 0.152V and the cathodic peak potential shifted positively by 0.161V for CVs of hydroquinone on the CAW modified carbon paste electrode. The reversibility of the reaction became obviously better, showing the high electrocatalytic activity of CAWs to electrochemical oxidation of Hydroquinone.

与未加碳原子线的空白碳糊电极相比，碳原子线修饰碳糊电极可使对苯二酚的氧化峰负移0.152V，还原峰正移0.161V，ΔEp减小了0.313V，反应的可逆性明显变好，说明该电极具有较高的电催化活性。

Moreover, it was found that the co-assembled carbon nanotubes could enhance electron transfer efficiency between electrode surface and viologens.

该结果揭示共存的碳纳米管能够大大提高紫精修饰电极的稳定性及电子在电极和紫精活性基团间的转移效率，并有助于深入了解含碳纳米管的薄膜修饰电极的电极反应过程。

An amperometric glucose biosensor has been developed based on immobilization of GOD in electrochemically synthesized poly (3, 3′-diaminobenzidine) film on a platinized glassy carbon electrode.

用镀铂玻碳电极电化学聚合3，3′－二氨基联苯二胺固定葡萄糖氧化酶制成电流型葡萄糖传感器。

The square wave anodic stripping voltammetric methodology using a screen printed carbon electrode in situ plated in mercury was developed by the authors to determine lead in tea.

建立了同位镀汞法修饰的丝网印刷碳电极电化学方波溶出伏安法快速检测茶叶中的铅的方法。

Part Ⅰ:A glassy carbon electrode is modified with ruthenium oxide/nafion film in pH 2.0 buffer solution. Cyclic voltammetry, electrochemical quartz crystal microbalance, rotatable ring disk electrode and amperometric techniques were used to study the electrochemical properties of the RuO/Nf film.

中文摘要本研究主要分为三部分来讨论，第一部份利用利用玻璃碳电极在pH=2缓冲溶液中修饰氧化钌/Nafion 薄膜，实验中使用了循环伏安法、电化学石英晶体微天平、旋转环碟电极法及扫描式电子显微镜探讨其电化学性质及特性。

In the present invention, platinum-carbon catalyst, perfluoro sulfonic acid resin solution and absolute ethyl alcohol are uniformly mixed under ultrasonic conditions; mixture is uniformly smeared on a micro-porous layer of carbon cloth or carbon paper in a brushing or printing method, and a traditional Pt/C gas porous electrode is obtained after drying; silicon oil is adopted to infiltrate into pores of a catalyst layer and a diffusion layer of the traditional Pt/C gas porous electrode, and then the ordering anti-drowning gas porous electrode is obtained after drying.

本发明是将铂碳催化剂、全氟磺酸树脂溶液和无水乙醇在超声波条件下混合均匀，采用涂刷或印制的方法将混合物均匀涂布到碳布或碳纸的微孔层上，干燥后制得传统Pt/C气体多孔电极；然后将硅油渗入到传统Pt/C气体多孔电极的催化层和扩散层孔隙中，干燥后制得有序化抗溺水气体多孔电极。

The direct electrochemical behaviors of horse radish peroxide on the bare glassy carbon electrode and the ODA-HMS PVA membrane modified electrode were studied, respectively.

实验结果表明：HRP在裸玻碳电极上和滴涂法所制备ODA-HMS聚乙烯醇凝胶膜中的直接电化学行为较差，只呈现一不可逆的还原峰，且峰电流随着扫描次数的增加不断减小，无法达到稳定。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。