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Help CenterNickel Expanded Mesh for Water Electrolysis Electrode, 0.5mm Thick, 3mm x 6mm Opening, Used in Hydrogen Generator Electrolyzer Cells
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Anping County Boli Hardware Wiremesh Products Factory (established in 1998) is a professional manufacturer specializing in expanded metal meshes for industrial applications. Our Nickel Expanded Mesh for Water Electrolysis Electrode (0.5mm thick, 3mm×6mm opening) is precisely engineered to serve as an efficient electrode substrate in hydrogen generator electrolyzer cells. With over two decades of experience and an annual export value exceeding US$5 million, we deliver consistent quality and reliable performance for global clients in the renewable energy sector.
This nickel expanded mesh is produced from high-purity nickel sheet, ensuring excellent corrosion resistance and electrical conductivity in alkaline electrolysis environments. The 0.5mm thickness provides a balanced combination of mechanical strength and low electrical resistance, while the 3mm×6mm diamond-shaped opening maximizes active surface area for efficient gas evolution. Each mesh is carefully expanded to create uniform strands with no sharp edges, reducing the risk of catalyst detachment during operation.
Key Features & Technical Specifications:
- Premium Nickel Material: Pure nickel (Ni ≥ 99.6%) ensures long-term stability in alkaline electrolyte (KOH/NaOH) without contamination.
- Optimized Opening Geometry: 3mm × 6mm long way diamond (LWD × SWD) provides high open area (approx. 60–65%) for effective bubble release and mass transfer.
- Consistent Thickness: 0.5mm ±0.05mm tolerance guarantees uniform current distribution across the electrode.
- Excellent Ductility: Mesh can be easily cut, bent, or welded to fit various electrolyzer cell designs.
- Low Contact Resistance: Smooth surface ensures good electrical connection with current collectors.
- Customizable Dimensions: Available in widths from 100mm to 1500mm, and lengths up to 30m per coil (or sheet size as requested).
- Clean Surface: Standard degreased and cleaned finish; optional nickel-plating or special coating available upon request.
Detailed Parameter Table:
| Parameter | Value |
| Material Purity | Nickel 99.6% min |
| Thickness (nominal) | 0.5 mm |
| Opening Size (LWD × SWD) | 3 mm × 6 mm |
| Strand Width | ~1.0 mm |
| Open Area Ratio | ~62% |
| Weight per m² | ~1.2 kg (approx.) |
| Tensile Strength | ≥ 350 MPa |
| Electrical Conductivity | ~1.4 × 10⁷ S/m |
| Operating Temperature | Up to 150°C (in alkaline electrolyte) |
Advantages for Your Electrolyzer: Using this nickel expanded mesh as an electrode substrate can significantly improve hydrogen production efficiency. The open structure reduces bubble accumulation, lowering overpotential. The 0.5mm thickness minimizes ohmic loss while maintaining durability. Compared to perforated plates or foam, expanded mesh offers a higher surface-to-volume ratio and better electrolyte flow, leading to improved gas purity and reduced energy consumption.
Trust & Reliability: Anping County Boli Hardware Wiremesh Products Factory has been a trusted manufacturer for 26+ years. Our products are shipped to over 15 global markets including North America, Europe, and Southeast Asia. With annual export sales between US$5–10 million, we maintain strict quality control from raw material sourcing to final packaging. We offer flexible shipping options via Tianjin, Qingdao, Shanghai, or Foshan ports. Every batch is inspected for dimensional accuracy and surface finish before shipment.
We are committed to providing competitive pricing, fast lead times, and customized solutions. Contact us today to discuss your specific electrode requirements or request a free sample for evaluation.
Frequently Asked Questions (FAQ):
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Q: Can this nickel mesh be used directly as an electrode without coating?
A: Yes, the bare nickel mesh can serve as a cathode for hydrogen evolution. However, for enhanced performance, it is often coated with catalysts (e.g., NiMo, NiFe, RuO₂). The mesh structure provides an excellent substrate for catalyst deposition. -
Q: What is the maximum width and length available?
A: Standard widths range from 100mm to 1500mm. Length can be up to 30 meters per coil for continuous production. Custom sizes are available upon request. -
Q: Is the mesh suitable for acidic or PEM electrolysis?
A: Nickel is not recommended for strong acidic environments (pH < 3). It is primarily designed for alkaline water electrolysis (KOH 30% at 80°C). For PEM, we suggest titanium-based expanded mesh instead. -
Q: How do you pack the mesh for export?
A: We use strong wooden pallets or export cartons, with plastic film protection and edge guards to prevent damage during transit. Coils are banded and labeled clearly. -
Q: What is the lead time for a standard order?
A: For stock sizes (1000mm width, 1m² sheets), lead time is 7–10 working days. Custom sizes or large quantities require 15–20 working days. -
Q: Can you provide a sample before bulk order?
A: Yes, we offer free samples for small pieces (up to 200mm × 200mm). You only pay for shipping. Contact our sales team for details. -
Q: Is the mesh recyclable? Is it environmentally friendly?
A: Nickel is fully recyclable. The expanded mesh manufacturing process produces minimal waste, and the product itself contains no harmful coatings. It supports green hydrogen production. -
Q: Do you offer any certification for material quality?
A: We can provide a mill test certificate (MTC) for raw material nickel purity upon request. Specific quality certifications are available as per customer requirements.
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