Chemical Etching Bipolar Plates for Fuel Cells with Customized Materials

Bipolar Plate Overview

Xinhaisen 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.

Bipolar Plate Key Features

• 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 5-7 days

Bipolar Plate Specification

Bipolar Plate Applications

• Fuel Cells – PEMFC, SOFC bipolar plates for automotive, stationary, and portable power systems.

• Flow Batteries – Vanadium redox, zinc-bromine battery stacks.

• Heat Exchangers – Micro-channel heat exchangers for cooling systems.

• Electrolyzers – Plates for water electrolysis hydrogen production.

• Laboratory & Research – Custom-designed plates for experimental energy devices.

Our Advantages

• Fast Lead Time – From material procurement to production, we ensure quick delivery even for urgent/large orders.

• High Quality – Strict quality control ensures uniformity, corrosion resistance, and durability.

• Precision Etching Expertise – Capable of ultra-fine features (0.03mm micro-holes, 0.015mm line width).

• Wide Material Experience – Experience with various metals for different conductivity and corrosion needs.

• Strong Reputation – Recognized by clients for high accuracy, speed, and versatility.

FAQ

• What file format do you need for production?
  We accept CAD, DXF, DWG, Gerber, or PDF files. Our engineering team can also assist with design optimization.

• Can you etch complex multi-depth flow fields?
  Yes, our etching process allows for multi-step etching to create varied channel depths.

• What is the typical turnaround time?
  Prototypes: 5–7 days; mass production: 2–4 weeks depending on order volume.

• Do you provide post-etching treatments?
  Yes, we offer passivation, plating, welding, and alignment stacking for ready-to-use bipolar plate assemblies.

• What quality control measures are in place?
  We use optical measurement, profilometers, and pressure/leak testing to ensure dimensional accuracy and function.

Get Started
Send us your drawings for:
·Free quote within 2 hours
·Design advice
·Sample arrangement

Easy to order! Just contact us with your requirements.