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proionic news
  • Ionflow – High performance membranes for redox flow batteries
  • Successful Implementation of EN ISO 9001
  • Welcome to the proionic Team!
Ionflow – High performance membranes for redox flow batteries
Batteries, especially redox flow batteries (RFBs) play a major role in our future energy system to decarbonize our society as they provide back-up storage capacity for regenerative energy sources. Basically, the two core components of a flow battery comprise the electrochemically active electrolytes and a proton-conductive membrane. Currently used commercial systems for both components rely on materials which are not- renewable, non- sustainable, potentially toxic and which accumulate in the environment. Furthermore, both components (e.g. Vanadium, NafionTM) are expensive, which negatively impact the cost per installed kWh and represents a barrier for a further use of the technology in other applications. As there are constantly new and interesting develeopments in the field of sustainable electrolytes (e.g., vanillin-based systems), research on sustainable membranes in RFB technology is still in its infancy.
In the FFG-funded IonFlow project, TU Graz and proionic explore a novel type of RFB membrane technology, which is scalable, based on sustainable renewable resources and which fulfills all requirements of an RFB membrane (e.g., ion conductivity and selectivity, prevention of cross-diffusion through membrane). The core element is the use of renewable substrates which are treated with tailor made ionic liquids provided by proionic to give stable and high performing membrane materials. The process which is currently under patenting, can be easily scaled up and does not use any organic solvents. We estimate that the use of this type of membranes will lead to a cost reduction by a factor of 5 to 10 compared to currently used NafionTM membranes, with a much better ecological footprint. In addition, the know-how of proionic on tailoring ionic liquids enables a steady further development of the technology, finally broadening the expertise as well as approaching new emerging markets in battery technology and fuel cell technology.

Lukas Pachernegg, TU Graz: 
“I am always stunned by the ingenuity of proionic regarding new ideas as well as tackling problems along the way. The expertise of proionic is a key ingredient for a successful project and I am more than happy to work with them on this project.”
Dr. Stefan Spirk, TU Graz:
“I have hardly been involved in a project where so much constructive input has been provided by the company partners. What I particularly like is that the project meetings cover all parts of technology developments, from crazy, blue skies ideas to feasible solutions and product development. I believe that this is the reason why we could develop in a very short timeframe a new approach to membrane technology in flow battery systems.”
Give us a call or send us an email.
To learn more about IL applications in the field of redox flow batteries membrane technology please contact 

Markus Damm
Head of R&D
T: +43 (664) 889 339 43

Successful Implementation of EN ISO 9001
Proionic reaches an important milestone in the history of the company! On the 26th of April, proionic took the final step towards obtaining certification in accordance with EN ISO 9001 by positively completing the certification audit. As a result, TÜV AUSTRIA CERT GmbH recommendation for granting of the TÜV AUSTRIA certificate to proionic was given.
By introducing a quality management system according to EN ISO 9001 at proionic, we verifiably demonstrate,
- the mastery of our quality management system according to the international state of the art
- the fulfilling of our customer´s requirements as well as the legal requirements for our products and services.
In the dynamic and complex economic environment in which we find ourselves, the systematic approach to continuous improvement is an essential lever. Taking risks and opportunities into consideration  our aims to capture and fulfil all customer expectations.
Julia Zelenka, Certified Quality Manager:
“I’m very proud that after months of implementing our quality management system according to EN ISO 9001, we will soon be able to hold the TÜV AUSTRIA certificate in our hands.
All this is only possible thanks to our most valuable asset - our highly motivated and competent team of employees. I would also like to personally thank Mrs. Helmine Trinkl - Trinkl Unternehmensfit & Coaching Praxis - who successfully supported us during the implementation of our quality management system. Together we have managed to create goal-oriented, compact and efficient processes to ensure quality for our organisation and quality for our customers in order to be successful in the market.”
Send us an email.
For any questions concerning proionic`s quality management please contact
Julia Zelenka
Certified Quality Manager
Proionic is proud to welcome Medina Cehic as our newest member. Medina will soon start her master studies in technical chemistry at Technical University of Graz. Medina supports proionic primary with laboratory tasks in a FFG funded green frontrunner project by working on topics like delignification of biomass or extraction of valuable active pharmaceutical ingredients from various sources.
We are happy that Medina strengthens our team!
Medina Cehic:
“Proionic has put together a fascinating team of experts to take a step into the future. With their highly qualified knowledge and this environmentally oriented approach, I am very excited about what we can expect in the coming years. To be a part of it as a student is great. It is fascinating to develop innovative biomaterial products and enable a lower environmental impact with the help of ionic liquids.”

Give us a call or send us an email.
To learn more about IL applications in the field of cellulose extractions processes please contact
Martina Ortner
PI Green Frontrunner
T: +43 (0) 316 / 4009 - 4200
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