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99 Dr. rer. nat. Uwe Vohrer Phone + 49 711 970-4134 Dr. rer. nat. Thomas Schiestel Phone + 49 711 970-4164 Contact Funding The Fraunhofer-Gesellschaft intends to strengthen Germany as a center for commerce by rapidly transforming original scientific ideas into marketable products through the Lighthouse Project initiative. Project partners Fraunhofer institutes IAP, ICT, IGB, IKTS, ISC, IST, ITWM, IVV (advisory role), UMSICHT, WKI Further information Fraunhofer ISC, IST, and IAP. A work package for system anal- ysis and sustainability considerations carried out by Fraunhofer IGB and UMSICHT rounds out the project. Electrochemical generation of ethylene Fraunhofer IGB is coordinating the sub-project entitled “Development of a new one-step electrochemical process with which alkenes, mainly ethylene, will be electrochemically produced from CO2 and water”. The primary innovation in this sub-project consists of producing ethylene or other alkenes through direct reduction of CO2 in just a one-step process. The goalpost for the process is to demonstrate ethylene pro- duction on a scale of one kilogram per day. A total of four departments at Fraunhofer IGB are working together on this project. The BioCat group in Straubing is looking after the development of the catalysts, optimizing reaction of the electrodes, and characterizing the materials. The research focus of the Department of Interfacial Engineer- ing and Materials Science is developing and characterizing charge-carrying materials (membranes and gas diffusion electrodes) as well as characterizing and optimizing interface phenomena at triple-point phase changes. The Department of Physical Process Technology is looking after the electrode configuration, system integration and setup, and the testing and optimizing of the pilot plant. The necessary measurement, monitoring, and control engineering is being contributed by the Department of Environmental Biotechnology and Biopro- cess Engineering. The development is being carried out in close cooperation with the parallel work packages for process simulation (Fraunhofer ITWM) and component development & process analysis (ISC, IST and IAP). 2 1 If electricity generation is expanded by weather- dependent energy sources like wind and solar, excess electrical power will become available for use in electrochemical processes. 2 Principle behind electrochemical manufacture of ethylene from CO2. 21 anode membrane cathode H2O C2H4 CO CO2 electrolytic cell e– Phone + 49711970-4134 Phone + 49711970-4164