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High Precision Etched Bipolar Plates For Fuel Cells Electrolyzers

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Shenzhen Xinhaisen Technology Limited
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City:shenzhen
Province/State:guangdong
Country/Region:china
Contact Person:MrsHaily Huang
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High Precision Etched Bipolar Plates For Fuel Cells Electrolyzers

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Brand Name :XHS/Customize
Model Number :Customize
Certification :ISO 9001, ISO 14001, IATF 16949
Place of Origin :China
MOQ :20
Price :50-100USD
Payment Terms :T/T
Supply Ability :10000-100000PCD / week
Delivery Time :5-10 work days
Packaging Details :PE bags and Carton
Chemical Resistance :Good
Electrical Conductivity :High
Compatibility :Suitable for various fuel cell designs
Application :Used in fuel cell stacks for power generation
Surface Finish :Smooth
Corrosion Resistance :Excellent
Material :Alloy
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High Precision Etched Bipolar Plates for Fuel Cells & Electrolyzers

Bipolar Plates Overview

Xinhsen's chemically etched bipolar plates deliver superior performance in fuel cells, electrolyzers, and flow batteries. Our photochemical etching technology enables complex micro-flow patterns with unmatched precision, optimizing gas/liquid distribution while minimizing pressure drop. These plates are critical for improving energy efficiency in hydrogen applications.

Key Advantages
Ultra-thin designs (0.1-2.0mm) with high structural integrity
Corrosion-resistant surfaces for acidic/alkaline environments
Custom flow field patterns (serpentine, interdigitated, biomimetic)
Zero mechanical stress vs. stamped/laser-cut alternatives
Rapid prototyping → mass production transition

Bipolar Plates Specifications

Parameter Specification Tolerance/Capability
Materials 316L SS, Titanium, Nickel Alloys, Graphite Composites Custom materials available
Thickness 0.1mm - 5.0mm ±0.01mm (critical features)
Channel Width 0.2mm - 3.0mm ±0.015mm
Channel Depth 0.15mm - 2.5mm ±0.02mm
Surface Roughness Ra 0.1-1.6μm (mirror polish optional) Electropolishing available
Flatness ≤0.05mm/100mm Laser leveled upon request
Active Area 5cm² - 5000cm² Modular stacking designs
Electrical Conductivity >1000 S/cm (metallic plates) Coatings for enhancement

Design Features

Flow Patterns: Serpentine, parallel, pin-type, 3D complex architectures
Integrated Features: Cooling channels, sensor ports, alignment pins
Coatings: Conductive ceramics, hydrophobic treatments, anti-fouling layers
Post-Processing: Laser welding prep, embossed seals, QC markings

Performance Data
◈ 10-15% lower pressure drop vs. conventional designs
◈ >98% current collection efficiency
◈ Compatible with 2-5x compression stacking
◈ 5000+ hour lifespan in PEMFC accelerated tests

Applications

Hydrogen Fuel Cells (PEMFC, SOFC, DMFC)
Water Electrolyzers (PEM, AEM, alkaline)
Redox Flow Batteries (VRFB, Zn-Br systems)
CO₂ Conversion Systems
Laboratory-on-chip devices

Quality Assurance

  • 100% automated optical inspection (AOI)

  • Material certs: EN 10204 3.1, ASTM standards

  • Ex-situ/in-situ corrosion testing

  • ISO 9001 & IATF 16949 compliant

Customization Options
✓ CFD-optimized flow fields
✓ Hybrid metal/graphite designs
✓ Pre-assembled plate stacks
✓ Rapid prototyping (5-7 day samples)

Why Xinhsen?
50μm feature precision for optimal fluid dynamics
10,000+ plates/month production capacity
DFM support for cost-effective scaling

High Precision Etched Bipolar Plates For Fuel Cells Electrolyzers

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