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Nano SnO2 seed embedded coating titanium anode and preparation thereof

A titanium anode and nanotechnology, applied in electrodes, electrolysis process, electrolysis components, etc., can solve the problem of insignificant effect of activated surface tissue structure, and achieve the effect of optimizing the tissue structure, stabilizing and improving the activity, and increasing the active area.

Inactive Publication Date: 2011-02-09
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, after in-depth research, the research team found that in some specific cases, the influence of the seed layer on the tissue structure of the activated surface layer is not significant.

Method used

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  • Nano SnO2 seed embedded coating titanium anode and preparation thereof
  • Nano SnO2 seed embedded coating titanium anode and preparation thereof
  • Nano SnO2 seed embedded coating titanium anode and preparation thereof

Examples

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Effect test

Embodiment 1

[0030] Preparation Added Nano 20% SnO 2 Ru-Sn coating of the seeds. The specific steps are: 1) The area with a thickness of 1.5mm 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) Purchase nano-SnO with a single rutile phase and a nanoscale of about 12nm 2 as seeds. 3) Press RuCl 3 : SnCl 4 :SnO 2 The molar ratio of (seed) is 30:50:20, and the RuCl 3 , SnCl 4 and SnO 2 The seeds, wherein the sequence of ruthenium chloride and tin chloride are dissolved in ethanol to prepare an active coating solution, the molar concentration of which reaches 1.5mol-%. The nano-SnO that will be weighed 2 The seeds are mixed into the active coating liquid under stirring state, and the active coating liquid containing seeds is prepared to make the paint. 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...

Embodiment 2

[0033] Preparation Added Nano 30% SnO 2 The seeded Ru-Ti-Sn coated titanium anode. The specific steps are: 1) The area with a thickness of 2.0mm is 10cm 2TA2 was washed with 5% washing powder solution, soaked in 10% hydrochloric acid solution for 2 hours, washed with water, and dried. 2) Self-made nano-SnO with 95% rutile and a nanoscale of ~7nm 2 as seeds. 3) Weigh RuCl at a molar ratio of 30:30:10:30 3 , Butyl titanate, SnCl 4 and nano-SnO 2 For the seeds, the first three are dissolved in ethanol to form an active solution, and the molar concentration of the source substances (ruthenium chloride, butyl titanate and tin chloride) in the active solution is 1.2 mol-%. Add 30% SnO to the pre-weighed 2 The metered nano-SnO 2 The seeds are mixed into the active coating liquid under stirring state to prepare the active coating containing seeds. 4) Coating the paint on the titanium substrate, drying it and then oxidizing it in a muffle furnace at 450°C. 5) Repeat coating, ...

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Abstract

The invention provides a titanium anode with nano SnO2 seed embedded in a coating and a preparation method thereof. An active coating is deposited on the surface of the titanium anode; and the active coating of the titanium anode is an oxide coating added with the nano SnO2 seed. The preparation method comprises the following steps: treating titanium base, selecting seed, preparing active maskingliquid containing the nano SnO2 seed, depositing a coating on the titanium base material by the conventional deposition method, and subsequently thermally treating the coating by the conventional thermal treatment. The invention obviously improves the active area of the titanium anode coating; moreover, the method has the advantages of simple preparation method, strong operability, ready available material and low cost.

Description

technical field [0001] The invention belongs to the field of electrode materials in the field of applied electrochemistry industry, and in particular relates to a titanium anode with a nano SnO2 seed embedded 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 active oxides in 1967, graphite electrodes were gradually replaced by them. Currently, a typical active oxide electrode is a titanium anode using Ru-Ti oxide as the active coating. At the same time, Ru-Sn or Ru-Ti-Sn oxide is also used as the titanium anode of the active coating. In order to improve the performance of electrodes, researchers have made various efforts. In the past ten years, people have begun to realize that dispersing active centers is an effective way to improve the performance of electrode materials. The improvement of the microstructure of the coating has become a ...

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张腾邵艳群
Owner FUZHOU UNIV
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