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

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!

For over 13 years Xinhaisen has pioneered developments in photochemical etching, achieving standards admired by the industry and appreciated by a global customer base from a wide range of high-tech engineering markets.

Since found in 2012, in affiliating with our customers we have pioneered many new production techniques and methodologies in order to better serve their needs. It is these techniques that have advanced our capabilities further, enabling us to take what was once considered art and turn it into a science.

Now, we became China's leading photochemical etching specialist, with also the capacity of offering stamping and laser-cutting service. Our products include etching bipolar plates for fuel cell, speaker grills,  micro meshes&filters, tea&coffee infusers, shims&gaskets, Optical encoderdisk&strip, EMI/RFI shielding, Leadframes, connectors&contacts, printingstencils&foils and metal crafts.

Quality and service is our mission, Xinhaisen is committed to pursuing the highest standards of environmental performance. Responsibility for sustainability resides with all employees. The company has achieved ISO 14001 and IS0 9001 and IATF 16949 and is committed to maintaining that standard. With a fast response, high quality, best service and fair price, we have gained high reputation from our customers all over the world.