Platinum Coating Titanium Anode From TopTiTech

Platinum coating titanium anode from TopTiTech can be taken as a high quality and economical substitute of platinum anode. It is made up of titanium substrate material and platinum plated(0.5~5um) on the titanium substrate material. Platinized titanium anode integrates good physical and chemical properties of platinum and titanium.

TopTiTech make the platinized titanium anode in shape of mesh, plate, rod, tube and other complex shape. Mesh and plate are normally in plating, electroanalysis and water treatment. Rod and tube normally use in cathodic protection. We have leading technology in platinized titanium anodes which are very smooth on anode surface and can be nice substitute of pure platinum anode. The purity of platinum coating is 99.99%. Also we supply design, manufacturing, recoating and repair service.

Gr1 Titanium as substrate, Ruthenium-Iridium oxide or platinum as coating

Sand Blasting, Acid Washing, Brush Coating

12micron--mixed precious metal oxide coating

0.5~10micron--platinum coating

Different dimension and shape is available, or according to client's drawings

Water ionizer

Water electrolysis

The reaction on the anode and cathode of water electrolysis

H2O=OH- +H+

Cathode: H++e=H2H++2eH2↑2H7O+2e=2OH-+H3 2H++e= H2↑

Anode:4OH-4e=2H3O++O2↑2H2O-4e=4H++O2↑ 4OH-4e=2H2O+O2↑

1) Stable working ability under high current density & Voltage;

2) High electrolysis efficiency;

3) Stable electrolysis ability;

4) High anti-corrosion property;

Popular types of platinum-coated titanium electrodes from TopTiTech

5) The matrix can be recycled and recoated with MMO for reuse;

6) Long working life etc.

Water ionizer, alkaline & Acidic water production, deionized water in cosmetic,

disinfection, clean etc.

1) Titanium anode also called MMO anode, DSA & Insoluble anode

2) Titanium Cathode also be provided

Carton or plywood case outside, or according to client’s demand

1. Before using platinum-coated titanium electrodes, it is necessary to exclude (must be detected) the existence of "fluorine" ions and "phosphate" ions in the plating solution, and it is safe to confirm that there is no chemical composition that corrodes platinum-coated titanium electrodes. Use platinum-coated titanium electrodes, otherwise, the bottom substrate of platinum-coated titanium electrodes will be severely corroded, the platinum coating will fall off, and the service life will be shortened. Do not use hard chromium additives and recycled industrial chromic anhydride containing fluoride ions.

2. Reasonable selection of the best process: the current density of the platinum-coated titanium electrode is preferably below 50A/dm2, and the tank pressure is below 10V, otherwise the service life will be affected, and the anode will be seriously corroded and dissolved, and the coating will fall off, try to choose The process of anodizing reaction without solid oxide formation avoids oxide thickening and passivation affecting the conductivity of platinum-coated titanium electrodes.

The reason for anode breakdown is determined by the inherent characteristics of the titanium material itself. When the cell pressure is greater than 10V, the titanium surface in contact with the platinum coating begins to dissolve slightly, and it breaks down completely at 12V. After the breakdown, the cell pressure we see can no longer be displayed. 12V can only see about 11V. At this time, the current can no longer be added, and the anode is damaged. Therefore, the pressure of the tank for safe use of platinum-coated titanium electrodes is set below 10V.

3. In principle, the surface area of the cathode should be smaller than the effective anode area (that is, the anode area under the liquid surface). It should not be used when the anode area is smaller than the cathode area, otherwise the anode will be easily broken down and cannot be used normally.

4. When the impedance of the plating tank increases, the tank pressure will also increase. When the tank voltage exceeds 10V, the current should not be increased, but the current should be adjusted appropriately, such as: the current is reduced by 10%, and the plating time is extended by 10%. .

If you have some interest in platinum-coated titanium electrodes, please do not be hesitete to contact us: E-mail: zhangjixia@bjygti.com

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