Shenzhen Xinhaisen Technology Limited
| Payment Terms | T/T |
| Supply Ability | 10000-100000PCD / week |
| Delivery Time | 5-10 work days |
| Packaging Details | PE bags and Carton |
| Material | Stainless Steel or Customized |
| Lead Time | 1-2 weeks |
| Flatness | Flat |
| Electrical Conductivity | 1.2 x 10^6 S/m |
| Tolerance | +/- 0.05mm |
| Maxmum Size | 1800mm*650mm |
| Process | Photo Chemical Etching |
| Brand Name | XHS/Customize |
| Model Number | Customize |
| Certification | ISO 9001, ISO 14001, IATF 16949 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000-100000PCD / week |
| Delivery Time | 5-10 work days | Packaging Details | PE bags and Carton |
| Material | Stainless Steel or Customized | Lead Time | 1-2 weeks |
| Flatness | Flat | Electrical Conductivity | 1.2 x 10^6 S/m |
| Tolerance | +/- 0.05mm | Maxmum Size | 1800mm*650mm |
| Process | Photo Chemical Etching | Brand Name | XHS/Customize |
| Model Number | Customize | Certification | ISO 9001, ISO 14001, IATF 16949 |
| Place of Origin | China | ||
| High Light | Custom etched metal bipolar plates ，Japanese fuel cell bipolar plates ，Battery stack metallic bipolar plates | ||
Custom Etched Metal Bipolar Plates for Japanese Fuel Cell & Battery Stacks
Xinhaisen’s precision-etched bipolar plates are key parts for proton exchange membrane fuel cells (PEMFC) and electrolyzers. Using advanced chemical etching, we produce ultra-flat, corrosion-resistant plates with complex flow field designs. Our process ensures burr-free, stress-free plates ideal for efficient gas distribution and current collection.
Chemical etching (also known as photochemical etching) is a subtractive manufacturing process that uses controlled chemical solutions to dissolve metal through photoresist patterns. Unlike stamping or machining, etching:
Leaves no burrs or heat-affected zones
Does not change metal properties
Allows rapid prototyping without tooling costs
Handles complex, fine features with high repeatability
High precision – Minimum line width down to 0.015mm, accuracy up to ±0.01mm
Ultra-thin capability – From 0.5mm to 3.0mm thickness
Custom flow field designs – Straight, interdigitated, or pin-type channels
Material options – Stainless steel (304, 316L), titanium, nickel alloys
Burr-free & flat – No secondary deburring needed
Corrosion resistant – Ideal for acidic fuel cell environment
Cost-effective for medium to high volumes – No expensive hard tooling
| Parameter | Specification |
| Material thickness | 0.02 – 1.5 mm |
| Minimum line/space | 0.015 mm (15 μm) |
| Dimensional tolerance | ±0.05 mm (typical) |
| Maximum plate size | Custom, up to 1800×650 mm |
| Materials available | SS304, SS316L, Titanium, Nickel,etc. |
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Proton Exchange Membrane Fuel Cells (PEMFC) – Hydrogen vehicles, backup power
Electrolyzers – Green hydrogen production
Portable power systems – Drones equipment
Stationary fuel cells – Residential or industrial cogeneration
Rapid response – Quick sampling for R&D and pilot projects
High quality – ISO9001-compliant processes, strict inspection
Material expertise – Strong supply chain for various alloys
Flexible order quantity – From dozens to millions of pieces
Proven experience – Serving automotive, medical, optical, and electronics sectors
Fast lead time – No tooling fabrication delays
Welcome to contact us at any time!
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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