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.
Complex Flow Field Patterns: Precision-etched microchannels for uniform gas distribution.
Low Contact Resistance: Enhances overall fuel cell efficiency.
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.
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.
Our Manufacturing Capabilities
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