Postdoc in "Ion conducting composite membranes"

Danmarks Tekniske Universitet (DTU)

Ph.d. & forskning

Frist 5. februar 2018

In the Section for Proton Conductors at DTU Energy, we are involved in the development of both fuel cells and electrolyzers in the temperature range 60 – 300 °C. Within high-temperature PEM fuel cells, we are among the leading research groups in the world. Electrolysis is a more recent field under expansion in the group.

The research approach is entirely experimental and R&D activities take place in close collaboration with industry, e.g. Danish Power Systems, EWII Fuel Cells and GreenHydrogen. Furthermore, there is an extensive collaboration with other companies and universities all over the world.

The field of research is electrochemical cells; in particular, development and testing of modified ion conducting membranes. The project is dedicated to materials and technological development for direct conversion of the captured CO2 to a value-adding chemical feedstock such as methanol. The technology will be based on co-electrolysis of water and carbon dioxide in a gas phase electrochemical cell, which is optional towards intermittent operation in order to combine with renewable power sources.

Responsibilities and tasks
Your main tasks will be development, characterization application of advanced composite membranes for the technology addressed.

The membranes to be explored will be protonic and/or anionic conductive based on functionalized polymers and inorganic fillers. Characterization may include microscopic phase homogeneity, hydration and swelling, mechanical and chemical stability, gas permeability and of course in-plane and through-plane conductivity at different temperatures. An electrochemical evaluation of the materials focusing on the interfacial behaviour with catalysts/electrodes should also be considered. Significant efforts will be devoted to ionomer dispersions and membrane fabrication in an industrial size.

You responsibilities will be:

  • To re-cast polymer membranes as composites
  • To manufacture fuel cells for laboratory tests
  • To test the fuel cells
  • To perform mechanical and electrochemical characterization of the cells, including the use of electrochemical impedance spectroscopy
  • To manufacture the developed composite membranes at a larger size and volume for the use in the project

The job will be within a newly granted EU project dedicated to materials and technological development for direct conversion of captured CO2 to a value-adding chemical feedstock such as methanol.

Candidates should have a PhD degree or equivalent, and:

  • Your PhD degree is preferably in chemistry, physics or materials science
  • You have experience with testing and characterization of electrochemical cells
  • You have good skills for practical work in the laboratory
  • You have good communication skills in both written and spoken English
  • Experimental experience with polymer electrolyzers or fuel cells, especially cell making, is a strong advantage

We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and an academic freedom tempered by responsibility.

Salary and terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed with the relevant union.

You can read more about career paths at DTU here.

Further information
Further information may be obtained from Professor Qingfeng Li, tel.: +45 4525 2318.

You can read more about DTU Energy on

Application procedure
Please submit your online application no later than 5 February 2018 (Local time). Apply online at

Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online", fill in the online application form, and attach all your materials in English in one PDF file. The file must include:

  • Application (cover letter)
  • CV
  • Diploma (MSC/PhD)
  • List of publications

Applications and enclosures received after the deadline will not be considered.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply.

Department of Energy Conversion and Storage is focused on education, research, and development within functional materials and their application in sustainable energy technologies. The Department, which has 230 employees, was founded in 2012 by bringing research groups from Risø DTU and DTU Chemistry together. We are present both at Lyngby Campus and Risø Campus.

DTU is a technical university providing internationally leading research, education, innovation and scientific advice. Our staff of 5,800 advance science and technology to create innovative solutions that meet the demands of society; and our 11,000 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.

Ansøgningsfrist d. 05.02.2018

Ph.d. & forskning
Elektro & Telekommunikation
Kemi, Biotek & Materialer
Klima, Miljø & Energi
Maskin & Design
Matematik, Fysik & Nano
Teknik & Teknologi
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