electrolysis products
CENmat develops and makes the key materials of AEM water electrolysis – membrane, ionomer, anode and cathode catalysts and electrodes – and builds HYScale stacks and systems on them. For PEM, OXYGN offers an ultra-low-iridium anode.
in numbers
> 8,000 h*
composite AionFLX™ membrane
* 50 °C, 1 M KOH
AionFLX™ anion-exchange membranes2.01 V*
at 2 A/cm² with CRM-free AEM materials
* 50 °C, 0.1 M KOH
OXYGN catalysts and electrodes (AEM)6 kW
AEM short stack validated; 100 kW stack currently being commissioned
HYScale AEM electrolyser stacks and systems0.2 mg*
iridium per cm²: 1.86 V for > 1,000 h in PEM
* 80 °C
OXYGN (PEM) low-iridium catalysts and CCMs
* Test conditions. Details on the product pages and in the datasheets.
aem electrolysis
One matched, PFAS-free materials system without critical raw materials. The components are developed to be qualified together: one supplier instead of three.
AEM membranes
AionFLX™ anion-exchange membranes
PFAS-free anion-exchange membranes for AEM electrolysers; wet or dry assembly.
Learn more →AEM ionomers and binders
AionFLX™ ionomers
Matched PFAS-free binder for AEM catalyst layers, electrodes and inks.
Learn more →CRM-free anodes for AEM
OXYGN catalysts and electrodes (AEM)
CRM-free oxygen-evolution catalyst and coated anodes.
Learn more →CRM-free cathodes for AEM
H2GN catalysts and electrodes
CRM-free hydrogen-evolution catalyst and coated cathodes for AEM cells.
Learn more →AEM stacks and systems
HYScale AEM electrolyser stacks and systems
CRM-free AEM stacks on CENmat materials: 6 kW short stack validated, 100 kW stack currently being commissioned.
Learn more →pem electrolysis
For PEM electrolysers, OXYGN (PEM) cuts the anode iridium loading to about 0.2 mg/cm².
Low-iridium PEM anodes
OXYGN (PEM) low-iridium catalysts and CCMs
OXYGN-M low-iridium PEM anode catalyst and CCMs; 1.86 V at 2 A/cm² for > 1,000 h with 0.2 mg Ir/cm².
Learn more →Tool
AEM vs PEM iridium calculator
Estimate iridium demand for a PEM capacity at different anode loadings.
Open the calculator →which product for which job?
| Your job | Products |
|---|---|
| You test or build AEM cells and stacks | AionFLX™ membrane + ionomer, OXYGN anode, H2GN cathode |
| You want to replace PFAS-based membranes or binders | AionFLX™ membranes and ionomers |
| You need iridium-free anodes for AEM | OXYGN (AEM) catalyst or coated electrodes |
| You need a complete AEM stack | HYScale stacks and systems |
| You want to save iridium in PEM anodes | OXYGN (PEM) |
next steps
AEM qualification pack
Product overview, recommended test protocol and spec summary as a PDF.