Mass Production Bipolar Plates Metal Etching Micro Hole 0.03mm Medical/Aerospace Grade
Overview
Xinhsen Technology specializes in manufacturing high-performance chemically etched bipolar plates for fuel cells, flow batteries, and other electrochemical applications. Our precision etching process enables complex flow field patterns with exceptional dimensional accuracy and surface quality.
Key Features & Benefits
✔ Complex Flow Field Designs - Advanced micro-channel patterns for optimal fluid distribution
✔ Material Versatility - Stainless steel, titanium, nickel alloys, and coated metals
✔ Ultra-Thin Profiles - As thin as 0.1mm with maintained structural integrity
✔ Superior Flatness - ≤0.05mm/m² for optimal sealing performance
✔ Cost-Effective - Eliminates expensive CNC machining for complex patterns
✔ Fast Prototyping - Samples available in 7-10 working days
Technical Specifications
| Parameter | Specification |
| Material Options | 316L Stainless Steel, Titanium (Grade 1/2), Nickel Alloys, Coated Metals |
| Electrical Conductivity | >10,000 S/cm (material dependent) |
| Corrosion Resistance | Passes ASTM G48 Method A (for stainless) |
| Dimensional Tolerance | ±0.03mm (standard), ±0.01mm (high precision) |
| Surface Roughness | Ra 0.4μm - 1.6μm (customizable) |
| Plate Size | Up to 600mm × 600mm (custom sizes available) |
Available Bipolar Plate Types
• Fuel Cell Plates: PEMFC, DMFC, SOFC applications
• Flow Battery Plates: For VRB, Zn-Br, and other systems
• Cooling Plates: With integrated thermal management channels
• Multi-Function Plates: Combined flow fields and cooling channels
• Coated Plates: Gold, silver, or conductive polymer coatings
Performance Advantages
• Optimized Fluid Dynamics: Precision-etched flow fields reduce pressure drop
• Enhanced Contact: Uniform surface for better current collection
• Thermal Management: Integrated cooling channel designs available
• Weight Reduction: Thin yet rigid constructions
• Sealing Compatibility: Flat surfaces for reliable gasket performance
Quality Assurance
• Material certification (ASTM/EN standards)
• 100% dimensional inspection
• Leak testing (helium or pressure decay methods)
• Surface roughness measurement
• Electrical conductivity testing
• ISO 9001:2015 certified production
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