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Nov 12, 2025

1000h operation with only 7 µV/h degradation: Hahn-Schickard and ionysis achieve durability milestone in AEM electrolysis

The project partners Hahn-Schickard have successfully demonstrated a 1000-hour durability test of an iridium-free AEM electrolysis cell with a remarkably low degradation rate of 7 µV/h. With MEA components provided by ionysis, and a long-term durability test bench developed by Hahn-Schickard, the successful test marks a relevant step towards scalable and sustainable hydrogen production.

1000h operation with only 7 µV/h degradation: Hahn-Schickard and ionysis achieve durability milestone in AEM electrolysis

Oct 14, 2025

ionysis and Carbonade demonstrate progress in CCM development for CO2 electrolysis

ionysis and Carbonade have successfully completed their first joint project on catalyst-coated membranes (CCMs) for CO2 electrolysis applications.

ionysis and Carbonade demonstrate progress in CCM development for CO2 electrolysis

Oct 8, 2025

Phlair and ionysis cooperate to develop PFAS-free catalyst-coated membranes for Direct Air Capture applications

Phlair and ionysis announced to collaborate on the development and validation of PFAS-free catalyst-coated membranes for Direct Air Capture systems

Phlair and ionysis cooperate to develop PFAS-free catalyst-coated membranes for Direct Air Capture applications

Mar 17, 2025

ionysis achieves key milestone with first electrolysis proof-of-concept projects on new coating line

ionysis has successfully commissioned its state-of-the-art pilot coating line for catalyst-coated membranes, marking a major step forward in electrolyzer and fuel cell production. The accomplishment of first successful proof-of-concept (PoC) electrolysis projects with major industry customers demonstrate the versatility and readiness of the new pilot line for larger scale pilot production.

ionysis achieves key milestone with first electrolysis proof-of-concept projects on new coating line

Jan 27, 2025

ionysis GmbH completed proof-of-concept project with leading automotive OEM

ionysis successfully completed proof-of-concept project with a leading European automotive OEM on the development of high-quality catalyst-coated membranes with reduced PFAS-content

ionysis GmbH completed proof-of-concept project with leading automotive OEM

Dec 20, 2024

ionysis GmbH receives ISO 9001 quality certification

ionysis GmbH proudly announces receiving ISO 9001:2015 certification. This quality certification underscores ionysis’ commitment to delivering high quality products and services to its customers.

ionysis GmbH receives ISO 9001 quality certification

Oct 1, 2024

ionysis and ReCatalyst achieve performance milestone in project ENABLER funded by the European Innovation Council

The Slovenian start-up ReCatalyst and the German spin-off company ionysis GmbH have achieved significant progress with new catalysts and catalyst coated membranes reaching the fuel cell performance target of the EIC funded project.

ionysis and ReCatalyst achieve performance milestone in project ENABLER funded by the European Innovation Council

May 15, 2024

ionysis signs third major technology development contract with German industry partner

ionysis signs a third major technology development contract with a German industry partner. With this, ionysis surpasses 1.3 million euro in contract volume since the operational start in september 2022.

ionysis signs third major technology development contract with German industry partner

Feb 5, 2024

ionysis starts development of catalyst coated membranes for water electrolysis

Green hydrogen from electrolysis is a rapidly growing market and key to a sustainable economy. ionysis is using its expertise in innovative catalyst coated membranes (CCMs) for heavy duty fuel cells to make electrolysis more efficient and cheaper.

ionysis starts development of catalyst coated membranes for water electrolysis

Oct 9, 2023

ionysis signs second major technology development contract with German industry partner

ionysis signs a second major technology development contract with a German industry partner. With this, ionysis surpasses 1 million euro in contract volume since the operational start in september 2022.

ionysis signs second major technology development contract with German industry partner

Jun 13, 2023

ionysis receives H2-age award for start-ups

ionysis was awarded the H2-age award for start-ups by the German National Economic Forum for Hydrogen (Nationales Wirtschaftsforum Wasserstoff)

ionysis receives H2-age award for start-ups

Mar 22, 2023

ionysis receives first big technology development contract from German industry partner

ionysis signs first big technology development contract with German industry partner

ionysis receives first big technology development contract from German industry partner

Feb 21, 2023

ionysis and ReCatalyst receive renowned EIC Transition funding from the European Innovation Council

The Slovenian start-up ReCatalyst and the German start-up ionysis have been selected for funding under the prestigious EIC Transition call and invited to sign the grant agreement with a funding volume of 2.5 million euros.

ionysis and ReCatalyst receive renowned EIC Transition funding from the European Innovation Council

Sep 7, 2022

Spin-off ionysis develops sustainable core components for the hydrogen economy

A team from the "Electrochemical Energy Systems" division at Hahn-Schickard in Freiburg, with the support of the University of Freiburg, has founded "ionysis GmbH". The goal is to develop and commercialize more efficient membrane electrode assemblies for fuel cells to market maturity with the help of strong strategic partners.

Spin-off ionysis develops sustainable core components for the hydrogen economy
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