Method for preparing Pt loaded SrO-PbO doped MgO membrane plated titanium substrate electrode
A plate electrode and titanium-based technology is applied in the field of preparation of Pt-doped SrO-PbO-plated MgO film titanium substrate electrodes, which can solve the problems of lack of electrode preparation methods, and achieve the effects of long life, strong adaptability and high activity
Inactive Publication Date: 2015-01-28
BEIJING NORMAL UNIVERSITY
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Problems solved by technology
The surface microstructure and state of the electrocatalytic electrode are important factors affecting the electrocatalytic performance, and the preparation method of the electrode directly affects the surface structure of the electrode, so choosing a suitable electrode preparation method is a key link to improve the electrocatalytic activity of the electrode , there is still a lack of research on electrode preparation methods
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0031] Polish a titanium sheet with a length of 60mm, a width of 40mm, and a thickness of 2mm with 240-grade alumina water-resistant sandpaper until the surface appears metallic luster, then put it into a petri dish, pour 50mL of acetone, and use it in a 40kHz ultrasonic cleaner. Wash and degrease with detergent solution for 30min, then take it out and rinse it with 500mL tap water, then rinse it with 100mL deionized water, then place it in a 40kHz ultrasonic cleaner and clean it with deionized water for 15min; then place the cleaned titanium sheet in a 100mL mass Etch in 10% oxalic acid solution for 2 hours, take it out and rinse it with 500mL tap water, then rinse it with 100mL deionized water, then place it in a 40kHz ultrasonic instrument and wash it with deionized water for 15min, dry it and store it in absolute ethanol spare;
[0032] The titanium sheet stored in absolute ethanol was taken out, and the surface was pretreated for 10 minutes by glow discharge, and then mag...
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Abstract
The invention discloses a method for preparing a Pt loaded SrO-PbO doped MgO membrane plated titanium substrate electrode. The method comprises the steps of etching a cleaned titanium sheet in an oxalic acid solution for 2 hours, and then, carrying out platinum plating treatment, so as to obtain a substance A; preparing solutions F1-1, F1-2, F1-3, F1-4, F2-1, F2-2, F2-3, F3-1, F3-2, F3-3, F4-1, F4-2, F5-1, F5-2, F5-3 and F5-4 from reagents Sr(NO3)2, Pb(NO3)2, Mg(NO3)2, n-butanol, isopropanol, isobutanol, anhydrous ethanol and nitric acid, and enabling the substance A to sequentially pass through the solutions to be subjected to the treatment processes of uniformly dipping, taking out, then, drying in the air, drying at low temperature, roasting at the temperature of 780 DEG C, and the like, thereby obtaining a substance, namely the Pt loaded SrO-PbO doped MgO membrane plated titanium substrate electrode. The method has the beneficial effect that the prepared Pt loaded SrO-PbO doped MgO membrane plated titanium substrate electrode has the characteristics of high activity, strong adaptability, long life and the like.
Description
technical field [0001] The invention belongs to the technical field of chemically modified electrodes for treating wastewater by electrocatalytic oxidation, and in particular relates to a method for preparing a Pt-doped SrO-PbO plated MgO film-coated titanium substrate electrode. Background technique [0002] Electrocatalytic oxidation technology degrades organic pollutants in wastewater by generating strong oxidizing active groups such as hydroxyl radicals. It has the characteristics of no secondary pollution, low cost, strong applicability, and high efficiency. It has application potential in degrading wastewater. The electrochemical reaction is generally carried out near the surface of the electrode, so the surface performance of the electrode is very important. Selecting a suitable electrode material and modifying it to improve the surface catalytic performance of the electrode has become a new research topic for electrochemical workers. topic. In the past 30 years, ti...
Claims
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IPC IPC(8): C25B11/10C02F1/461
Inventor 豆俊峰王鸿婷丁爱中许新宜
Owner BEIJING NORMAL UNIVERSITY