Custom Etched PEM Bipolar Plates Fuel Cell Stack Components

Custom Etched Bipolar Plates PEM Fuel Cell Stack Components

Descriptions of Etched Bipolar Plate:

The bipolar plate distributes reactant gases, conducts electrons, and optimizes flow channels via corrosion-resistant materials (graphite/coated metals) for durable, cost-effective fuel cell performance.

Specifications of Etched Bipolar Plate:

Features of Etched Bipolar Plates:

1. Ultra-Precise Flow Field Patterns: Complex microchannels etched for optimal hydrogen/oxygen distribution and water removal.

2. Lightweight Design: Aluminum plates reduce stack weight, ideal for automotive and portable applications.

3. High Electrical Conductivity: Seamless current collection with minimal interfacial resistance.

4. Durability: Resistant to acidic PEM environments and thermal cycling.

5. Custom Geometry: Support serpentine, parallel, or hybrid flow field designs.

6. Scalability: Cost-effective for mass production with consistent quality.

Applications of Etched Bipolar Plates:

• Automotive: PEM fuel cells for hydrogen-powered vehicles.

• Aerospace: Lightweight energy solutions for drones and satellites.

• Stationary Power: Backup systems and distributed energy grids.

• Portable Devices: Compact fuel cells for military or emergency equipment.

• Research & Development: Prototyping next-gen fuel cell architectures.

Why Choose Chemical Etching?

• Complex Designs: Achieve intricate microchannels impossible with stamping or milling.

• No Mechanical Stress: Etching preserves material integrity and avoids warping.

• Rapid Prototyping: Short lead times for design iterations.

• Cost-Efficiency: Low tooling costs and high-volume scalability.

• Burr-Free Edges: Smooth surfaces prevent gas leakage or membrane damage.

Why Choose Xinhaisen?

• Expertise: 13+ years in chemical etching for energy applications.

• Advanced Technology: State-of-the-art photochemical etching machines.

• ISO-Certified: Compliant with IATF 16949 for automotive-grade quality.

• End-to-End Service: From design support to post-processing (e.g., coatings, cleaning).

• Global Delivery: Fast shipping to North America, Europe, and Asia.

How to etching custom Bipolar Plate?

1. Please send us your design.
We accept the following file formats:DWG, DXF, PDF, Step, Gerber, IGES, CorelDraw and Adobe Illustrator

2. Samples making lead time:3-10days

3. Express:By DHL, FedEx, TNT, around 3-7days.

Except Aluminum, What Kinds of Materials Can We Etch?

• Stainless Steel (304, 316L): For high-strength, corrosion-resistant plates.

• Titanium: Extreme durability for aerospace applications.

• Copper & Brass: High thermal/electrical conductivity.

• Nickel Alloys (Inconel, Hastelloy): For high-temperature fuel cells.

• Exotic Metals: Molybdenum, tungsten, and Kovar®.

The Products We Could Custom with Chemical Etching

• Fuel cell bipolar plates, microfluidic chips, EMI shielding, heat exchangers.

• Precision filters, sensor components, RF antennas, and medical implants.