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Electrochemical industrial titanium anode with oxide seed layer

An oxide and seed layer technology, applied in electrodes, electrolysis process, electrolysis components, etc., can solve the problem of high cost of titanium anode, and achieve the effect of improving comprehensive performance, reducing cost and reducing consumption

Inactive Publication Date: 2007-07-11
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the cost of this kind of titanium anode is relatively high

Method used

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  • Electrochemical industrial titanium anode with oxide seed layer
  • Electrochemical industrial titanium anode with oxide seed layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] prepared with SnO 2 -CeO 2 Titanium anode with ruthenium-containing oxide as the active surface layer of the oxide seed. A titanium anode whose oxide seed layer is located between the titanium substrate and the active surface layer.

[0018] The specific steps are: (1) the thickness is 1mm and the area is 5cm 2 The TAl titanium substrate was washed with 5% washing powder solution, soaked in 20% hydrochloric acid solution for 2 hours, then washed with water, and dried. (2) According to the ratio of Sn:Ce molar ratio of 91:9, weigh SnCl 4 and Ce(NO 3 ) 2 , were dissolved in ethanol, respectively, according to citric acid and Sn 4+ and Ce 2+ Add citric acid in a molar ratio of 3:1 to prepare Sn-containing 4+ and Ce 2+ A Sn-Ce citric acid sol coating with a total content of 10g / L. (3) Coating Sn-Ce citric acid sol on a titanium substrate, and oxidizing it in a muffle furnace at 450°C for 1 hour to obtain SnO 2 -CeO 2 The oxide seed modified titanium substrate, a...

Embodiment 2

[0023] prepared with TiO 2 Oxide-seeded titanium anode with iridium-containing oxide as the active surface layer.

[0024] The specific steps are: (1) The area with a thickness of 1mm is 4cm 2 After the TA2 titanium substrate was degreased and washed, it was soaked in 10% oxalic acid solution for 2 hours, then washed with water, and dried. (2) Weigh TiCl 3 Dissolve it in ethanol to get 1mol / L TiCl 3 Ethanol solution, according to citric acid and Ti 3+ Form Ti 3+ Titanium-containing citric acid paint with a content of 10g / L. (3) Coat the sol coating on the titanium substrate, and oxidize and heat treat it in a muffle furnace at different temperatures from 450°C to 600°C for 1 hour to obtain TiO 2 Oxide seeds modify titanium substrates. (4) be 34.9% chloroiridic acid as raw material with the iridium mass fraction, be dissolved in ethanol and prepare the chloroiridic acid ethanol coating solution of 1mol / L, brush the titanium substrate with seed layer, irradiate with infra...

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Abstract

The invention discloses an electrochemical industrial titanium anode with oxide seed layer, which is characterized by the following: depositing to cover oxide seed layer on the titanium base of titanium anode; coating subsequent coating layer on the exterior layer of oxide seed layer.

Description

technical field [0001] The invention relates to an electrode material mainly used in the field of electrochemical industry, in particular to an electrochemical industrial titanium anode with an oxide seed layer. Background technique [0002] The electrode material used in the early days of electrochemistry was artificial graphite. After the advent of noble metal oxide electrodes in 1967, graphite electrodes were gradually replaced by them. The earliest successful formulation of noble metal oxide electrodes is the Ru-Ti oxide-coated titanium anode. In order to obtain electrode materials with high activity and high corrosion resistance, scientists have proposed electrochemical titanium anodes with seed layers [Shao Yanqun et al., "Titanium Anodes for Electrochemical Industry with Seed Layers", 031158463]. For the titanium anode with a fine seed layer, the seed is deposited on the titanium substrate, the seed is a nanoscale noble metal or noble metal compound, and the seed la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B11/00C25B11/10
Inventor 唐电柯学标邵艳群
Owner FUZHOU UNIV
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