Electrolysis of water to produce hydrogen and oxygen

1. Efficient oxygen/hydrogen evolution reaction:

The titanium anode serves as a catalyst carrier in proton exchange membrane electrolysis cells, 

and the IrO ₂ coating can increase hydrogen production efficiency by more than 75%, reducing unit hydrogen production electricity consumption by 4.3 kWh/Nm ³.

During the electrolysis of water, the titanium anode achieves ultra-high stability with a current density of 10kA/m ² by reducing the overpotential of oxygen evolution.

2. Adaptability of seawater electrolysis:

Titanium anodes are resistant to chloride ion corrosion in high salinity seawater, with a current efficiency of ≥ 95% and a lifespan of over 20 years.

Chlor alkali industry and chemical production

1. Preparation of chlorine gas and caustic soda:

Titanium anodes are resistant to high temperatures and strong acids in chlor alkali electrolysis cells, with a lifespan of over 8000 hours and an anode loss rate of less than 0.1mm/year.

Adopting RuO ₂ - SnO ₂ composite coating, the electrolysis efficiency is increased by 30%, and the energy consumption is reduced by 2800 kWh/t PVC.

2. Organic synthesis and fine chemicals:

In the synthesis of ethylene glycol, caprolactam, etc., the titanium anode catalytic selectivity is increased by more than 98%, reducing side reaction products.

Wastewater treatment and pollution control

1. Heavy metal ion removal:

The titanium anode promotes the precipitation of heavy metals in wastewater through redox reactions, with a recovery rate of ≥ 90%.

2. Organic pollutant degradation:

By utilizing the electro Fenton reaction, hydroxyl radicals are generated on the titanium anode, resulting in a removal rate of ≥ 90% for difficult to degrade pollutants such as phenol containing wastewater and antibiotics.

3. Radioactive pollutant treatment:

Titanium anodes remain stable in the electrolytic recovery of radioactive metals such as uranium and plutonium, and are resistant to strong radiation and corrosive environments.

Electroplating and surface treatment

1. Precision electroplating process:

Titanium anodes are used in processes such as gold plating, silver plating, and chromium plating. The uniformity of the coating is controlled within ± 0.1 μ m, and the anode sludge rate is reduced by 50%.

2. Aerospace component processing:

Titanium alloy engine blades form a dense oxide film through titanium anodizing, which increases corrosion resistance by more than three times and achieves a current efficiency of 95%.

New energy storage and material preparation

1. Flow battery system:

In vanadium flow batteries, the titanium anode has a service life of 10 years, with over 20000 cycles and an energy efficiency improvement of 85%.

2. Metal air battery:

The zinc air battery adopts a titanium based dual function anode, which increases the energy density by 300Wh/kg and prolongs the cycle life by 50%.

Special Environment and Emerging Fields

1. High temperature molten salt electrolysis:

When preparing sponge titanium by molten salt electrolysis at 600 ℃, the platinum titanium anode runs stably for 5000 hours, and the cathode titanium purity reaches 99.99%.

2. Microelectronics manufacturing:

In the wafer cleaning process, titanium anodes achieve 0.1 μ m level coating uniformity control, which is suitable for semiconductor precision processing requirements.

Summary: Titanium anodes have become the core material of the electrochemical industry due to their corrosion resistance, high catalytic activity, and structural stability, covering high value-added fields such as hydrogen production, environmental protection, and energy storage.