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Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Specifications
Size :
Custom
Material :
Stainless steel, Titanium
Brand Name :
XHS / Custom
Model Number :
Custom
Certification :
ISO 9001, ISO 14001, IATF 16949
Place of Origin :
China
MOQ :
1
Price :
USD80-300
Payment Terms :
T/T
Supply Ability :
1000000
Delivery Time :
5-25days
Packaging Details :
PE Bag and Carton
Surfacetreatment :
Coating / Passivation / Plating
Thickness :
0.05-2.0MM
Type :
Etching / Chemical Machining
Surface :
Burrs-free
Process :
Photo Chemical Etching
Maxmum Size :
2400mm*650mm
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.

  • Complex Flow Field Patterns: Precision-etched microchannels for uniform gas distribution.

  • 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.


Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing


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:

  1. Material Prep: Clean and degrease metal sheets.
  2. Photoresist Coating: Apply UV-sensitive resist.
  3. Exposure: Transfer flow field design via photomask.
  4. Development: Remove unexposed resist to reveal etching areas.
  5. Etching: Immerse in etchant to dissolve unprotected metal.
  6. Strip & Clean: Remove residual resist and polish.
  7. QC Inspection: Validate dimensions, conductivity, and surface finish.

Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing

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:
  1. Stamping, Laser Cutting & Diffusion Bonding
  2. Surface Treatments (e.g., Au/Ni plating, passivation)
  3. Conductive Adhesive Bonding
  4. 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 AI format.

2.Samples making lead time:10-15days

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


Why Choose Xinhaisen?
13 Years Specialized in Photochemical Etching
ISO 9001 Certified for Quality
IATF 16949 Certified for Automotive Quality
ISO 14001 Eco-Friendly Production
DFM Support & Engineering Consultation
98% On-Time Delivery Rate
Prototype to Mass Production


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Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing

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Product Detail
Size :
Custom
Material :
Stainless steel, Titanium
Brand Name :
XHS / Custom
Model Number :
Custom
Certification :
ISO 9001, ISO 14001, IATF 16949
Place of Origin :
China
Contact Supplier
video
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing
Custom Design Stainless Steel 316L Bipolar Plates For Fuel Cell Via Chemical Etching and Diffusion Bonding Processing

Shenzhen Xinhaisen Technology Limited

Verified Supplier
2 Years
guangdong, shenzhen
Since 2012
Business Type :
Manufacturer, Exporter
Main Products :
Photo Chemical Machining, Metal Chemical Etching, Metal Etching Service
Total Annual :
4000000-6000000
Employee Number :
260~300
Certification Level :
Verified Supplier
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