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PhD Position Hydrogen-based Novel Flow Battery Technology
What will be the new generation of batteries for long-duration energy storage?
Job description
Energy storage is an indispensable factor for bridging the electricity consumption with the intermittent renewable energy supply. With increasing supply of renewable electricity in our energy mix, and electrification across industrial, transport, commercial, and residential sectors strains existing grid infrastructure, electricity storage is required to prevent congestion and transmission bottlenecks. This energy storage is required at a broad range of timescales. While technology is available for the short to medium timescales, very little technology is available to store electricity efficiently to cover durations of 25+ hours.
In that light, we started the collaborative research project REDOX BLEND, performed at seven Dutch universities and knowledge institutes (TU Delft, RUG, UTwente, TU/Eindhoven, U Nijmegen, DIFFER, TNO) to develop next generation batteries for ultra-long-duration energy storage.
This project will focus on the development of inorganic, hydrogen-based flow batteries, for high power density and energy density. Among these is the hydrogen-iodine flow battery. This battery type has fast kinetics and recent work demonstrated that an electrolyte with high pH and co-solvent can achieve high iodine solubility and high open circuit voltage. However, this battery type is in early stage of development. Further analysis is required, including studying the configuration of such alkaline H2-I2 battery and longer- term stability. Results will be compared and merged with developments in other flow battery chemistries, developed at other universities and industrial partners (Aquabattery, Elestor, Ore Energy) in this project.
We're looking for a candidate with an excellent performance in BSc/MSc studies, with knowledge about electrochemistry and experience in performing laboratory experiments. For this vacancy, we're looking for a candidate with strong engineering skills (rather than materials science or fundamental electrochemistry), to demonstrate this technology at stack level. The candidate should also have a pro-active mindset and good skills to collaborate in with partners in the project and allow to evaluate this technology for ultra-long energy storage from multiple angles.
Job requirements
We’re looking for a candidate with:
A MSc degree, in chemical engineering, mechanical engineering, applied chemistry, applied physics or similar
Experience in working with energy technology
Proven experimental skills
Knowledge in engineering or process technology
An excellent grade list
Pro-active and creative mind-set
Fluent in English. Speaking Dutch is a plus
Starting date in Q4 2026
TU Delft creates equal opportunities and encourages women to apply.
This PhD position offers:
Challenging job in a highly innovative technology field
Embedding in an enthusiastic team of engineers and researchers
Collaboration with industrial partners
A position with funding for 4 years
TU Delft (Delft University of Technology)
Working at TU Delft means contributing to solutions that really make a difference.
For over 180 years, we have been training engineers who make an impact worldwide in companies, government bodies, or as entrepreneurs. Our alumni turn knowledge into concrete solutions for the challenges of today and tomorrow. These challenges are changing rapidly. That is why we focus on themes such as energy, climate, digitalisation, artificial intelligence (AI), and smart mobility every day. Our education and research are directly aligned with what society needs now and in the future.
At TU Delft, our people make the difference. With their knowledge and curiosity, our staff provide a high-quality education and conduct pioneering research that extends beyond the campus. You will have the opportunity to take the initiative, work with others, and grow as a professional. Working at TU Delft means join an international community of professionals and students. Together, we create knowledge, innovations, and solutions that help move the world forward.
Faculty Applied Sciences
With more than 1,100 employees, including 150 pioneering principal investigators, as well as a population of about 3,600 passionate students, the Faculty of Applied Sciences is an inspiring scientific ecosystem. Focusing on key enabling technologies, such as quantum- and nanotechnology, photonics, biotechnology, synthetic biology and materials for energy storage and conversion, our faculty aims to provide solutions to important problems of the 21st century. To that end, we educate innovative students in broad Bachelor's and specialist Master's programmes with a strong research component. Our scientists conduct ground-breaking fundamental and applied research in the fields of Life and Health Science & Technology, Nanoscience, Chemical Engineering, Radiation Science & Technology, and Engineering Physics. We are also training the next generation of high school teachers.
about this vacancy or the selection procedure, please contact David Vermaas, via
[email protected].
Application procedure
Are you interested in this vacancy? Please apply no later than 30 Augustus 2026 upload the following documents:
A one-page motivation letter that is specific to this vacancy
A detailed resume (1-3 pages)
The position will remain open until August 30. An selection of early applicants will be made by the end of July. Starting date is flexible, but likely in Q4 2026.
You can address your application to David Vermaas.
Doing a PhD at TU Delft requires English proficiency at a certain level to ensure that the candidate is able to communicate and interact well, participate in English-taught Doctoral Education courses, and write scientific articles and a final thesis. For more details please check the Graduate Schools Admission Requirements.
Please note:
You can apply online. We will not process applications sent by email and/or post.
As part of knowledge security, TU Delft conducts a risk assessment during the recruitment of personnel. We do this, among other things, to prevent the unwanted transfer of sensitive knowledge and technology. The assessment is based on information provided by the candidates themselves, such as their motivation letter and CV, and takes place at the final stages of the selection process. When the outcome of the assessment is negative, the candidate will be informed. The processing of personal data in the context of the risk assessment is carried out on the legal basis of the GDPR: performing a public task in the public interest. You can find more information about this assessment on our website about knowledge security.
Please do not contact us for unsolicited services.
Faculty/Department: Faculty of Applied Sciences
Salary range: €3059 - €3881
Submission is possible until: 30 Aug 2026
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