Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Product Details
| Material: | Stainless Steel, Titanium, Cu-Ni Alloy, Fe-Ni Alloy | Size: | Custom |
|---|---|---|---|
| Color: | Silver, Gold, Etc | Manufacturing Technology: | Photo Chemical Etching And Diffusion Welding |
| Thickness: | 0.4-2.0MM | ||
| Highlight |
Custom 316L stainless steel bipolar plates,Fuel cell bipolar plates 0.4-2.0mm thickness,Metallic bipolar plates for fuel cells |
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Product Description
High-quality fuel cell bipolar plates made via advanced chemical etching. ISO-certified manufacturer with 13+ years of expertise.
Fuel Cell Bipolar Plates: High-Performance Etching Solutions
What is a Fuel Cell Bipolar Plates?
A fuel cell bipolar plate is a critical component in fuel cell stacks, responsible for distributing reactant gases (hydrogen and oxygen), collecting electrical current, removing heat, and providing structural support. Its precision design directly impacts fuel cell efficiency, durability, and power output.
Fuel Cell Bipolar Plates' Key Performance Features
- Ultra-Thin & Lightweight: Optimized for compact fuel cell designs.
- High Conductivity: Ensures efficient electron transfer.
- Corrosion Resistance: Withstands harsh chemical environments.
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Complex Flow Field Patterns: Precision-etched microchannels for uniform gas distribution.
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Low Contact Resistance: Enhances overall fuel cell efficiency.
How to manufacture Bipolar Plates?
Producing a bipolar plate requires both chemical etching and diffusion bonding ( or laser bonding) technologies. The flow channels are first etched onto metal plates using chemical etching, which are then stacked and solid-state joined through diffusion bonding to form a single, integrated block.
Why Chemical Etching for Bipolar Plates?
Chemical etching outperforms traditional machining methods for flow field plates:
Complex Geometries: Achieve intricate microchannel patterns without tool wear.
Burr-Free Edges: Eliminate post-processing and ensure leak-proof seals.
Material Integrity: No heat-affected zones or mechanical stress.
Scalability: Cost-effective for both prototypes and mass production.
What is Chemical Etching?
Chemical etching is a subtractive manufacturing process that uses controlled chemical reactions to selectively remove material, creating precise, complex parts.
Fuel Cell Bipolar Plates' Etching Process Steps:
- Material Prep: Clean and degrease metal sheets.
- Photoresist Coating: Apply UV-sensitive resist.
- Exposure: Transfer flow field design via photomask.
- Development: Remove unexposed resist to reveal etching areas.
- Etching: Immerse in etchant to dissolve unprotected metal.
- Strip & Clean: Remove residual resist and polish.
- QC Inspection: Validate dimensions, conductivity, and surface finish.
Our Manufacturing Capabilities
- Materials: Stainless steel, titanium, copper-nickel alloys, aluminum, Fe-Ni alloys.
- Thickness Range: 0.4mm – 2.0mm.
- Tolerances: ±0.04mm for critical dimensions.
- Additional Services:
- Stamping, Laser Cutting & Diffusion Bonding
- Surface Treatments (e.g., Au/Ni plating, passivation)
- Conductive Adhesive Bonding
- Full IATF 16949-compliant quality control.
The material ,thickness and size we can produce as following
| Material | Thickness | Size |
| STEEL AND STAINLESS STEELS | 0.01mm – 2.0mm | 700mm x 2000mm |
| NICKEL AND NICKEL ALLOYS | 0.01mm – 2.0mm | 600mm x 1500mm |
| COPPER AND COPPER ALLOYS | 0.01mm – 2.0mm | 600mm x 1500mm |
| ALUMINIUM | 0.01mm – 1.5mm | 600mm x 1500mm |
| TITANIUM AND TITANIUM ALLOYS | 0.01mm – 2.0mm |
700mm x 2000mm |
How to customize the Bipolar plates from us.
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:10-15days
3.Express:By DHL,Fedex,TNT,around 3-7days
Product Highlights
High-quality fuel cell bipolar plates made via advanced chemical etching. ISO-certified manufacturer with 13+ years of expertise. Fuel Cell Bipolar Plates: High-Performance Etching Solutions What is a Fuel Cell Bipolar Plates? A fuel cell bipolar plate is a critical component in fuel cell stacks, ...
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