Shenzhen Xinhaisen Technology Limited
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High-Precision Metal Bipolar Plates for Fuel Cells Custom Etching & Fast Delivery
Manufacturer: Shenzhen Xinhsen Technology Co., Ltd
Website: www.xinhsen.cn
Product Overview
Xinhsen Technology produces high-performance metallic bipolar plates through advanced chemical etching technology. Our precision-etched plates deliver exceptional conductivity, corrosion resistance, and flow field accuracy for fuel cells, flow batteries, and energy storage systems.
Technical Specifications
| Parameter | Specification | Tolerance |
| Material | 316L Stainless Steel, Titanium, Nickel Alloys, Graphite-Composites | ASTM B265 compliant |
| Thickness | 0.1mm - 1.0mm | ±0.01mm |
| Flow Channel Width | 0.3mm - 2.0mm | ±0.02mm |
| Channel Depth | 0.2mm - 0.8mm | ±0.015mm |
| Surface Roughness | Ra ≤0.8μm (as-etched), ≤0.2μm (post-polished) | -- |
| Flatness | ≤0.05mm per 100mm | -- |
| Active Area | Up to 600×600mm (single-piece) | ±0.1mm dimensional |
Key Features & Benefits
Ultra-Precise Flow Fields – Complex serpentine, parallel, or interdigitated patterns
Superior Corrosion Resistance – Gold/Ni-P coatings available (ASTM B488)
Low Contact Resistance – ≤5mΩ·cm² (with conductive coatings)
High Pressure Tolerance – Withstands >3MPa stack pressure
Rapid Prototyping – Functional samples in 10-14 days
Product Range
PEMFC Bipolar Plates
0.1-0.3mm thin with 0.5mm micro-channels
| Parameter | Value |
|---------------------|-------------------|
| Hydrogen Side | 0.4mm channel width |
| Air Side | 0.6mm channel width |
| Contact Resistance | ≤8mΩ·cm² |
Redox Flow Battery Plates
Acid-resistant 316L with 1.2mm flow fields
Cooling Plates
Dual-purpose thermal/electrical conduction
Hybrid Designs
Etched + welded manifolds
Quality Assurance
Leak Testing | Helium leak rate <0.01% vol/hr
Dimensional Inspection | 3D scanning (±5μm accuracy)
Performance Validation |
Polarization curve testing
1000hr salt spray (ASTM B117)
Applications:
Automotive fuel cells
Stationary power systems
UAV/Submarine power
Medical battery packs
Why Choose Xinhsen?
Material Expertise | Optimize conductivity vs. weight (0.1-0.3mm thin plates)
Mass Production | 50,000+ plates/month capacity
Turnkey Solutions | From CFD-optimized designs to coated final products
Request our free design guide for flow field optimization!