Seawater Electrolysis Nickel Mesh
Details
Pollution Control in Nickel Mesh Recycling: Residual seawater salts require freshwater rinsing. Otherwise, smelting generates dioxins, increasing processing costs by 30%.
Seawater electrolysis nickel mesh must simultaneously meet conductivity, corrosion resistance, and mechanical strength requirements. Core parameters are as follows:
| Parameter Category | Technical Specifications | Impact on Electrolytic Performance |
| Material & Purity | N4 grade (Nickel ≥99.9%) Ruthenium/Iridium coating |
High-purity nickel reduces Cl⁻ corrosion rate Ru/Ir coating enhances chlorine evolution catalysis |
| Mesh Size & Aperture | Coarse filter: 10–60 mesh (0.3–1mm aperture) Fine filter/Electrode: 100–300 mesh (20–170μm aperture) |
Small apertures clog easily Large apertures reduce filtration/catalysis efficiency |
| Thickness & Strength | Woven mesh: 0.1–0.6mm Expanded mesh: 0.05–0.3mm Foam nickel: 1.5–5mm |
≥0.3mm required for deformation resistance in high-pressure seawater |
| Conductivity | Surface resistance ≤0.1Ω/□ (Coated: ≤0.01Ω/□) |
Directly affects energy conversion efficiency (Every 0.05Ω/□ reduction lowers energy consumption by ~3%) |
| Porosity (foam nickel) | ≥95% | High porosity increases electrolyte diffusion & bubble release speed |
| Salt Spray Resistance | ≥720h no pitting (ASTM B117) | Ensures >5-year lifespan in marine environments |
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