Etched Titanium Porous Plate for Electrolyzers is used for distributing water and collecting gas in PEM electrolyzer and fuel cell stacks with thin titanium plates etched with thousands of precise through-holes. ISO 22734 electrolyzer stacks is the reference cited for it on drawings, datasheets and purchase orders.
What ISO 22734 electrolyzer stacks Means for Etched Titanium Porous Plate for Electrolyzers
The dimensions in the table below are supplied to suit ISO 22734 electrolyzer stacks. Where the standard sets requirements for the finished appliance, device or system, compliance testing of that assembly stays with its manufacturer; we supply the metal mesh part to the drawing and can provide material certificates and dimensional reports with the shipment.
Etched Titanium Porous Plate for Electrolyzers Dimensions
| Size | Plate diameter (mm) | Thickness (mm) | Hole diameter (mm) | Hole count | Hole rings | Coating |
|---|---|---|---|---|---|---|
| Lab cell 50 | 50 | 0.20 | 0.20 | 3000 | 8 | Platinum flash |
| Short stack 100 | 100 | 0.30 | 0.30 | 9000 | 8 | Platinum flash |
| Stack 200 | 200 | 0.50 | 0.40 | 24000 | 8 | Iridium / platinum |
Specifying Etched Titanium Porous Plate for Electrolyzers Beyond the Standard
- Hole size & pitch: 0.2–0.4 mm holes; pitch sets open area and in-plane conductivity.
- Thickness: 0.2–0.5 mm Gr1 titanium.
- Coating: Platinum or iridium flash to keep contact resistance low.
When Etched Titanium Porous Plate for Electrolyzers Is Not the Right Choice
Not for alkaline electrolyzers, which use nickel.
