Pure Iron Coil for Electrode Material | Beilun Metals
High-Conductivity Iron Coils for Demanding Electrode Applications
Beilun Metals' oxygen-controlled pure iron coils are engineered to power next-generation electrode systems. With 99.94%-99.98% purity levels and ultra-smooth surface finishes (Ra ≤0.4μm), our coils deliver unmatched electrical stability for lithium-ion battery anodes, electrolysis plates, and fuel cell components.
Electrochemical Performance Profile
🔹 Material Composition (Low-Impurity Design)
| Element | Industrial Grade (99.94%) | Ultra-Pure Grade (99.98%) |
|---|---|---|
| Fe | ≥99.94% | ≥99.98% |
| C | ≤0.012% | ≤0.005% |
| O | ≤80 ppm | ≤25 ppm |
| S | ≤0.003% | ≤0.001% |
| Mn | ≤0.02% | ≤0.008% |
| Trace | Cu/Ni <0.005% | Cu/Ni <0.002% |
🔹 Key Electrical Properties
Conductivity: 9.5-10.5% IACS (adjustable via annealing)
Surface Oxidation: <2nm oxide layer (argon-shielded coiling)
Corrosion Resistance: 500hrs salt spray (ASTM B117 compliant)
🔹 Dimensional Precision
Thickness: 0.25mm, 0.5mm, 1.0mm, 1.5mm (±0.015mm tolerance)
Width: 50-600mm (edge-trimmed to ±0.2mm flatness)
Proprietary Manufacturing Process
Ultra-Low Oxygen Melting
Vacuum arc remelting (VAR) with ≤15ppm residual oxygen control.
Nanofinish Rolling
18-stand tandem mill with diamond-textured rolls (surface defects <0.05/mm²).
Anti-Degradation Treatment
In-line graphene-enhanced coating (optional) for oxidation resistance at 400°C.
Electrode-Specific Advantages
✅ Pulse Current Endurance
Stable resistivity drift (<0.8%) under 1000A/cm² pulsed loads.
✅ Thermal-Electrical Synergy
Coefficient of thermal expansion (CTE): 11.8 μm/m·°C (20-300°C range).
✅ Customization Ready
Pre-cut blanks (100x100mm to 2000x1000mm) available for automated assembly.
Industry-Leading Applications
Energy Storage: Solid-state battery current collectors, supercapacitor foils
Industrial Electrolysis: Chlor-alkali cell cathodes, hydrogen production membranes
Semiconductor: Plasma etching electrodes, sputtering targets
Quality Verification Ecosystem
Microstructural Analysis
EBSD (Electron Backscatter Diffraction) for grain orientation mapping.
Electrochemical Testing
Potentiodynamic polarization scans per ASTM G5/G59.
Durability Simulation
5000-cycle charge/discharge testing in simulated extreme environments.
Sustainability & Compliance
Zero Waste Initiative: 98% material utilization via closed-loop recycling.
Certifications: REACH, Conflict Minerals Policy, ISO 14001.
Low-Carbon Footprint: 100% renewable energy-powered rolling mills.
Value-Added Services
Prototyping Kits: Order 10-sheet trial packs with thickness/coating variations.
Technical Collaboration: Co-develop electrode alloys for specific ion transport needs.
Smart Logistics: Humidity-controlled containers with IoT condition monitoring.
Competitive Differentiation
🌟 Reactive Surface Technology (Patent-Pending)
Laser-ablated microtextures for enhanced electrolyte wettability.
🌟 AI-Driven Quality Prediction
Machine learning models to pre-validate batch performance.
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