High Precision Ultra-Thin Titanium Etching Bipolar Plates For PEM Fuel Cell

Basic Information of Titanium Etching Bipolar Plates:

High Precision Ultra-Thin Titanium Etching Bipolar Plates For PEM Fuel Cell 

Specifications of Metallic Bipolar Plates We Etch:

Features of Titanium Etching Bipolar Plates:

The bipolar plate serves as a critical component in both fuel cells and electrolyzers. Within the stack, it performs multiple essential functions: conducting electrical current, channeling gases and liquids, supporting the membrane electrode assembly (MEA), and regulating heat and humidity. Its quality and performance have a direct influence on the efficiency, durability, and overall cost of the system.

• Corrosion Resistance – Stable against acids, alkalis, and humidity for long-term durability in PEM fuel cells and electrolyzers.

• Lightweight & Strong – High strength-to-weight ratio lowers stack weight without sacrificing stability, ideal for automotive and aerospace.

• Precision Channels – Etching enables micro-channels as fine as 100 μm for efficient gas distribution and mass transfer.

• Thin & Compact – Thickness range of 0.05–2.0 mm supports lightweight, space-saving designs.

• Burr-Free & Stress-Free – Etching avoids cracks and deformation, ensuring smooth channels and reliable sealing.

• Coating Ready – Compatible with conductive coatings (gold, carbon, etc.) to enhance conductivity and reduce ICR.

Application of Titanium Etching Bipolar Plates:

• Hydrogen Fuel Cells – Applied in automotive power systems, portable devices, and stationary energy stations.

• Water Electrolyzers – Used for green hydrogen production in PEM and alkaline electrolyzer systems.

• Energy Conversion Systems – Integrated into advanced storage solutions such as metal-air and flow batteries.

Photochemical Etching Bipolar Plate:

Conventional techniques such as stamping, laser cutting, and CNC milling are commonly used to produce bipolar plates, but they face challenges in achieving fine flow channels and processing ultra-thin sheets. In contrast, photochemical etching offers distinct advantages for manufacturing high-precision metal bipolar plates.

Why Choose Photochemical etching for manufacturing bipolar plate?

• High Precision – Achieves channel widths down to 0.1 mm with accurate depth control for uniform flow distribution.

• Stress- & Burr-Free – Eliminates deformation and cracks, ensuring excellent sealing and reliability.

• Ultra-Thin Capability – Processes metal sheets from 0.02–3.0 mm, ideal for common bipolar plate thicknesses of 0.05–1.0 mm.

• Design Flexibility – Supports complex double-sided and semi-etched structures for customization and rapid prototyping.

• Cost Efficiency – Low tooling cost makes it suitable for small to medium runs and prototype development.

Titanium Bipolar Plate Manufacturing Technology:

We can etch both straight and curved channels across entire metal sheets, enabling complex designs with ease. With precise depth control, our process ensures consistent accuracy in every project.

Etching Dual-Depth Channels                                         Surface Coated                                         Laser Cutting

  We can etch different depths of                                                 For stainless steel materials,                               For metal sheets thicker

flow channels on the same side.                                               we will electroplate the surface                           than 1.5 mm, we use laser cutting

  Also support etch depths on                                             to protect the bipolar plate from oxidation.                to achieve the required size or shape.

          the different sides. 

Package and Shipment of Titanium Etching Bipolar Plates:

We provide protective layer in the covers, PE bag, Foam in box, Waterproof package, Or as your request.

Shipment Methods:

EMS: Around 10-15 working days      

DHL: Around 3-5 working days

FedEx: Around 4-6 working days

UPS/TNT: Around 6-8 working days

AIR: Around 5-7 working days

SEA: Around 15-30 working days

FAQ:

1.What is the price of bipolar plate customization?

 -- The price will be depended on material, thickness, size and other requirements, please feel free to send us your detail requirements, we’ll offer you the price             asap.

2. How do we custom the bipolar plate?

 -- Please send us your drawing in DXF, DWG, STEP, PDF and other formats, we’ll do the evaluation and offer you the price.

3. How can we guarantee quality?

 -- We always a pre-production sample before mass production, and always 100% final Inspection before shipment.

4. Why should you buy from us not from other suppliers?

 -- Xinhaisen is established to specialized in the production of high-quality, finite and micro-size photo chemical etching metal products.Our seventy professional             staff specialized in research and development , manufacturing and marketing service.

5. What services can we provide?

 -- Accepted Delivery Terms: FOB, CFR, CIF, EXW；

   Accepted Payment Currency:USD, EUR, JPY, CAD, AUD, HKD, CNY;

   Accepted Payment Type: T/T, Paypal, Western Union, Cash.

Do you want to custom the bipolar plate?   

Click "contact us" below to send us the drawing of Bipolar plate, we support DXF, DWG, STEP etc. Format.

Or send email directly at bella.xiang@xinhsen.com  /  WhatsApp: +86 18025476918