Production of Syhthetic Fuels using Electrolysis

Shital Das

PhD Superviors: Mogens Mogensen, Peter V. Hendriksen, John B. Hansen, Sune D. Ebbesen

2 Risø DTU, Technical University of Denmark

Renewable Energy: Demand and Supply Mismatch

Curtsey: Anne Hauch

3 Risø DTU, Technical University of Denmark

Possibilities to Capture and Use CO2

C. Graves, et al. Renewable and Sustainable Energy Reviews 15 (2011) 1-23

4 Risø DTU, Technical University of Denmark

Renewable Energy: Demand and Supply – Closing the Mismatch

PowerPlant

CHP

Boiler

Transport

Elec.demand

Districtheating demand

Individualheating

Heatstorage

WindPower

Fuel

Fuel

Fuel

Electrolyser/ H2 Storage

Brian Vad Mathiesen, Fuel Cells and electrolysers in future energy systems, PhD Thesis, Aalborg University

Synthetic fuels are used for heating and electricity

5 Risø DTU, Technical University of Denmark

Renewable Energy: Demand and Supply Closing the Mismatch

Brian Vad Mathiesen, Fuel Cells and electrolysers in future energy systems, PhD Thesis, Aalborg University

PowerPlant

CHP

Boiler

Transport

Elec.demand

Districtheating demand

Individualheating

Heatstorage

WindPower

Fuel

Fuel

Fuel

Electrolyser/ H2 Storage

Synthetic fuels are used for transportation

6 Risø DTU, Technical University of Denmark

Dimethyl Ether (DME) as Transportation Fuel

Lower greenhouse gas (CO2 and NOx) and soot emission

Can be used in present diesel engine technology with some modification

Comparable engine efficiency with diesel

7 Risø DTU, Technical University of Denmark

How to Split CO2 and H2O?

Building block for any synthetic fuel synthesis

Synthesis gas

8 Risø DTU, Technical University of Denmark

Concept of SOEC stack

9 Risø DTU, Technical University of Denmark

Proposed DME synthesis process

10 Risø DTU, Technical University of Denmark

Abundant renewable energy can be used in SOEC to convert steam and CO2 to synthesis gas, which can

catalytically be converted to dimethyl ether.