Electrochemical reduction of NOx with a novel tri-functional cathode




Greater Copenhagen area

In order to reduce the amount of pollutants from i.e. diesel cars several techniques are under development. One of them is an electrochemical reactor, based on an oxide ionic conductor, where pollutants like nitrogen oxides can be removed by reducing the nitrogen oxides at the cathode to harmless nitrogen and oxygen are formed at the anode.

The major problem with electrochemical reduction of nitrogen oxides is a high power consumption due to simultaneously reduction of oxygen at the cathode. To overcome this alkaline earth nitrates (a storage compound) can be added to the cathode by wet infiltration. In this project the effect of adding alkaline earth nitrates will be studied.

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Company / Organization

DTU Energi


Kent Kammer Hansen




Supervisor info

MSc Eng in Applied Chemistry


Kent Kammer Hansen

ECTS credits

5 - 30


Final project, BSc project, MSc thesis, Special course

Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.

Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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