What is Etching?
Etching is a precise manufacturing process that uses chemical solutions to selectively remove material from metal sheets, creating intricate designs, patterns, or micro-features without affecting the material's inherent properties. It is ideal for producing burr-free, stress-free, and high-precision thin metal parts.
Bipolar Plate Overview
Our etched bipolar plates are key components for fuel cells and flow batteries, designed to facilitate efficient gas/liquid distribution, electrical conductivity, and thermal management. Manufactured using advanced chemical etching technology, these plates feature ultra-fine, complex flow field patterns with exceptional accuracy and consistency, ensuring optimal performance and durability in demanding energy applications.
Bipolar Plate Features
-
High Precision: Achieves intricate flow field designs with channel/ridge accuracy up to ±0.03mm.
-
Burr-free & Stress-free: No mechanical deformation or thermal stress, ensuring structural integrity.
-
Complex Design Flexibility: Easily accommodates custom patterns, micro-channels, and multi-scale features.
-
Material Versatility: Suitable for various conductive metals including stainless steel, titanium, and copper alloys.
-
Rapid Prototyping & Production: Quick turnaround for both samples and large-volume orders.
-
Excellent Consistency: Uniform etching depth and feature geometry across large batches.
Bipolar Plate Specifications
| Parameter |
Specification |
| Material |
Stainless Steel,Titanium, Aluminum,Alloys,etc. |
| Thickness |
0.5mm - 3.0mm |
| Tolerance |
±0.01mm |
| Plate Dimensions |
Up to 650mm x 1800mm |
| Flatness Tolerance |
< 0.1mm/100mm (can be enhanced with secondary processes) |
| Optional Treatments |
Passivation, conductive/anti-corrosion coatings, welding, stacking assembly |
Bipolar Plate Applications
-
Proton Exchange Membrane Fuel Cells (PEMFC)
-
Solid Oxide Fuel Cells (SOFC)
-
Redox Flow Batteries
-
Electrolyzers for hydrogen production
-
Cooling plates for power electronics
-
Laboratory and research test cells
Our Advantages
-
Precision Expertise: Capable of ultra-fine features (0.03mm micro-holes, 0.015mm line width) ideal for advanced bipolar plate designs.
-
Speed & Scalability: Fast response from prototyping to mass production, suitable for urgent and high-volume orders.
-
Wide Material Experience: Proven capability with diverse metals used in energy applications.
-
Quality Commitment: Strict process control ensures high uniformity (±0.03mm) and reliability.
-
Industry Recognition: Trusted by clients in communications, medical, aerospace, and automotive sectors for high-quality precision etching.
Why Choose Xinhaisen?
We combine precision etching expertise with a deep understanding of performance-critical components for energy technology. Our ability to handle complex designs in various metals with tight tolerances, fast turnaround, and consistent quality makes us a reliable partner for your bipolar plate needs. Whether you are developing next-generation fuel cells or scaling up production, we provide the manufacturing agility and technical support to help you succeed.
Welcome to contact us at any time!
