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Titan anode of addition surface active agent coating and preparation method thereof

A technology of surfactant and titanium anode, applied in the direction of electrode, electrolysis process, electrolysis components, etc., to achieve the effect of easy control, simple method and low cost

Inactive Publication Date: 2010-06-09
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the application of surface engraving is limited by the shape of the electrode and the electrolytic cell, and the acid etching process requires a thicker substrate

Method used

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  • Titan anode of addition surface active agent coating and preparation method thereof
  • Titan anode of addition surface active agent coating and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0029] Preparation Add 0.01% CTAB to prepare Ru-Ti coating. The specific steps are: 1) The area with a thickness of 1.0mm is 20cm 2 The TA1 was washed with 5% washing powder solution, soaked in 15% hydrochloric acid solution for 2 hours, washed with water, and dried. 2) According to the calculation of the required Ru:Ti molar ratio of 30:70 coating, weigh RuCl 3 , Butyl titanate. Dissolve the two in ethanol to form a solution, in which the volume ratio of butyl titanate to ethanol is 28:72. 3) Take industrially pure CTAB as the surfactant, and use the designed RuCl 3 and 0.1% of the total molar content of butyl titanate weighed CTAB, and mixed the weighed into the above solution to prepare a coating. 4) Coating the paint on the titanium substrate, drying it and then oxidizing it in a muffle furnace at 450°C. 5) Repeat coating, drying and oxidation until the coating liquid is used up. Finally, anneal at 450°C for 1 h. A Ru-Ti coated titanium anode was obtained.

[0030] ...

Embodiment 2

[0034] Preparation Add 0.01% CTAB to prepare Ru-Ti-Sn coating. The specific steps are: 1) The area with a thickness of 1.0mm is 20cm 2 The TA1 was washed with 5% washing powder solution, soaked in 15% hydrochloric acid solution for 2 hours, washed with water, and dried. 2) According to the calculation of the required Ru:Ti:Sn molar ratio of 30:60:10 coating, weigh RuCl 3 , butyl titanate and SnCl 2, they were sequentially dissolved in ethanol to form a solution, in which the volume ratio of butyl titanate to ethanol was 25:75. 3) Take industrially pure CTAB as the surfactant, according to the designed RuCl 3 , butyl titanate and SnCl 2 0.25% of the total molar content of CTAB was weighed, and the weighed was mixed into the above solution to make a coating. 4) Coating the paint on the titanium substrate, drying it and then oxidizing it in a muffle furnace at 450°C. 5) Repeat coating, drying and oxidation until the coating liquid is used up. Finally, anneal at 450°C for 1 ...

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Abstract

The invention relates to titanium anode for adding surface active agent coating, and a preparation method thereof; the titanium anode coating is an active oxide coating prepared by adding surface active agent; the preparation method comprises the following steps: the conventional active oxide solution of the titanium anode is prepared; according to the consumption, the surface active agent CTAB isadded into the solution, to obtain the coating with surface active agent; the coating is deposited on a titanium substrate through a conventional deposition method; the active oxide coating of the titanium anode is obtained after conventional follow-up heat treatment; in the invention, the surface active agent is added to the coating, to obtain the electro-chemical loosened coating with high uniformity and high dispersion structure, obviously improve the electrode activity and the anti corrosion effect, and the invention has the advantages of simple method, easy control, high operability, easily available raw materials and low cost.

Description

technical field [0001] The invention belongs to the field of electrode materials in the field of applied electrochemical industry, and more specifically relates to a titanium anode with a surfactant-added coating and a preparation method thereof. Background technique [0002] The earliest electrode material used in the electrochemical industry was artificial graphite. After the advent of the active oxide coated titanium anode in 1967, it gradually replaced the graphite electrode and achieved great success in the electrochemical industry. Commonly used active oxide coatings are general-purpose ruthenium-containing (or iridium-containing) oxide coatings. At present, a typical noble metal oxide electrode is a titanium anode using Ru-Ti or Ru-Ti-Sn oxide as the active coating. It can be said that the advantages of titanium anodes are reflected in their excellent activity and corrosion resistance. However, the advancement of industry and technology has put forward higher requi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B11/04
Inventor 王欣唐电颜琦朱君秋邵艳群张腾
Owner FUZHOU UNIV
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