Shenzhen Xinhaisen Technology Limited
| Payment Terms | T/T |
| Supply Ability | 10000-100000PCS / week |
| Delivery Time | 3-15 days |
| Packaging Details | PE bags and Cartons / Customized |
| Materials | Stainless steel or customized |
| Thickness | 0.02mm - 3mm according to different request |
| Tolerance | +/- 0.005mm |
| Production Process | Photo Chemical Etching, Plating, Stamping, Laser cutting |
| Maxmum single part | 1500mm*650mm |
| Minimum single part | 1mm*1mm |
| Brand Name | XHS/ Customized |
| Model Number | Custom |
| Certification | ISO 9001, ISO 14001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000-100000PCS / week |
| Delivery Time | 3-15 days | Packaging Details | PE bags and Cartons / Customized |
| Materials | Stainless steel or customized | Thickness | 0.02mm - 3mm according to different request |
| Tolerance | +/- 0.005mm | Production Process | Photo Chemical Etching, Plating, Stamping, Laser cutting |
| Maxmum single part | 1500mm*650mm | Minimum single part | 1mm*1mm |
| Brand Name | XHS/ Customized | Model Number | Custom |
| Certification | ISO 9001, ISO 14001 | Place of Origin | China |
| High Light | Stainless Steel hydrogen fuel cell plates ，Car Battery hydrogen fuel cell plates ，Stainless steel bipolar plates | ||
Half Photo Etching Stainless Steel Energy Car Battery Hydrogen Fuel Cell Bipolar Plate
Descriptions of Fuel Cell 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 Fuel Cell Bipolar Plate Etching:
| Item | Customized Metal Bipolar Plate/ Stainless Steel Flow Plate |
| Material | Stainless steel 201,202,304,316,410 etc./ Aluminum/ Copper/ Brass/ Steel alloy/ Titanium/ Various kinds of material can be chosen |
| Thickness | 0.02mm - 3mm according to different request |
| Minimum single part | 1mm*1mm |
| Maximum single part | 1500mm*650mm |
| Surface Treatment | Polishing,brushing,electroplating,nickel plating,anodizing,etc... |
| Characteristics | Outstanding corrosion resistance Light-weight Very good strength and hardness Excellent thermal conductivity High electrical conductivity Burr free and clean Full recyclability |
Etching creates precise flow channel patterns in bipolar plates, optimizing gas diffusion and reducing pressure drops. This subtractive method ensures uniform geometry to enhance flow efficiency and electrochemical performance while maintaining material conductivity. It enables corrosion-resistant materials (e.g., stainless steel/coated metals) and supports scalable production with balanced cost-durability for sustained fuel cell operation.
The production process of chemically etched bipolar plates:
1) Material selection (stainless steel/titanium);
2) Surface cleaning;
3) Photoresist coating and UV masking to define flow channel patterns;
4) Exposing and Developing;
5) Chemical etching to dissolve exposed areas;
6) Post-processing (resist removal, residue neutralization);
7) Quality inspection.
Precise control of etching parameters (time, temperature, concentration) ensures uniform channel geometry for optimized gas distribution, conductivity, and corrosion resistance while maintaining structural integrity. This method supports scalable, cost-efficient mass production.
Xinhaisen can photo etch custom different shapes PCHE / Bipolar Plate, belows are some bipolar plates we did before for reference:
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.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
4000000-6000000
Employee Number:
260~300
Ecer Certification：
Verified Supplier
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... 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...
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