PbO2 Titanium Anode For Copper Refining
Titanium-based lead dioxide anode/PbO2 coated titanium anode is a good choice for copper refining, the base material can be recycled, it has many advantages than the lead anode.
Product Introduction
Product Introduction
Lead dioxide (PbO₂) titanium anode is a high-performance electrochemical electrode widely used in industrial electrolysis. The coating primarily consists of β-PbO₂ deposited by anodic electrodeposition, which provides:
Excellent oxidation resistance
Superior corrosion resistance (especially in strong acids such as H₂SO₄ and HNO₃)
High oxygen evolution overpotential
Low electrical resistivity
Strong coating adhesion
High current-carrying capacity
Strong oxidation capability in aqueous electrolysis systems
Due to these outstanding properties, PbO₂ titanium anodes have significant development potential and cannot be easily replaced by many other electrode materials, including traditional DSA and lead-based electrodes.
Key Technical Characteristics
Low resistivity
Stable chemical properties
Excellent corrosion resistance
High electrical conductivity
Capable of operating at high current density
High oxygen evolution potential
Long operational life
The fine oxide crystal structure (up to nanometer scale) enhances electrochemical stability and coating durability.
Typical operating life:
≥ 40,000 kA·h/m²
Applications
PbO₂ titanium anodes are widely used in:
Electrolytic copper foil production
Copper refining
Electroplating
Smelting processes
Wastewater treatment
Cathodic protection
Organic and inorganic electrochemical synthesis
High-purity water preparation
In copper foil post-treatment lines, the service life can reach 2–4 years, depending on operating conditions.
Structural Advantages
The PbO₂ titanium anode features:
Multi-layer alloy oxide coating
Three-dimensional surface structure
Multi-component alloy system doped with active elements
No passivation layer formation
Stable surface structure
Excellent conductivity
The plating salt concentration in the solution remains stable and is not prone to fluctuation during operation.
Cost Advantage
Compared with platinum-based anodes, PbO₂ titanium anodes offer:
Significantly lower material cost
Excellent cost-performance ratio
Stable industrial performance
Manufacturing Expertise
Baoji City Changsheng Titanium Co., Ltd. is one of the earliest professional anode manufacturers entering China's electrolytic copper foil industry.
With more than ten years of independent R&D in coating technology, the company has developed proprietary intellectual property and achieved internationally advanced technical standards.
Interface components can be:
Silver-plated
Platinum-plated
Custom electrode solutions are available for copper foil post-treatment and electroplating systems.
Comparison with Traditional Lead / Lead-Tin Alloy Anodes
| Feature | PbO₂ Titanium Anode | Traditional Lead Alloy Anode |
|---|---|---|
| Resistivity | Low | Higher |
| Corrosion Resistance | Excellent | Moderate |
| Conductivity | High | Lower |
| Current Capacity | High | Limited |
| Structural Design | 3D multi-layer coating | Solid alloy |
| Service Life | Long | Shorter |
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