Green chemicals derived from
solar energy and CO2

The SOMMER Project

In the SOMMER research project, science and industry are working closely together to develop a sustainable technology for converting CO2 and water into synthesis gas, a raw material for many chemical products. The project SOMMER is funded by
the European Union.

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Solar Towers of the German Aerospace Center (DLR) in Jülich, Germany. Credit: DLR (CC BY-NC-ND 3.0)
Solar Towers of the German Aerospace Center (DLR) in Jülich, Germany. Credit: DLR (CC BY-NC-ND 3.0)
DLR's Experimental Solar Tower Plant (left) has one research level for experiments, the Multifocus Tower (right) is equipped with three research levels for different types of test installations. Credit: DLR (CC BY-NC-ND 3.0)
DLR's Experimental Solar Tower Plant (left) has one research level for experiments, the Multifocus Tower (right) is equipped with three research levels for different types of test installations. Credit: DLR (CC BY-NC-ND 3.0)
Probing the oxygen permeation rate of membranes in lab-scale at Forschungszentrum Jülich. Credit: Forschungszentrum Jülich
Probing the oxygen permeation rate of membranes in lab-scale at Forschungszentrum Jülich. Credit: Forschungszentrum Jülich
Experimental hall at Forschungszentrum Jülich hosting various equipment for materials synthesis, ceramic manufacturing, and sintering. Credit: Forschungszentrum Jülich
Experimental hall at Forschungszentrum Jülich hosting various equipment for materials synthesis, ceramic manufacturing, and sintering. Credit: Forschungszentrum Jülich
Stereolithography 3D printing technology for functional ceramic fabrication
Stereolithography 3D printing technology for functional ceramic fabrication. Credit: IREC

News & Events

The project participants came together in Barcelona for the 30-month project meeting.
30-month SOMMER project meeting at IREC in Barcelona
13.05.2026
30-month SOMMER project meeting at IREC in Barcelona

The SOMMER project consortium convened in Barcelona for a productive 30-month project meeting hosted by the Institut de Recerca en Energia de Catalunya (IREC).

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Thermodynamic stability of doped ceria for solar reactors
SOMMER publication: Thermodynamic stability of doped ceria for solar reactors
14.11.2025
SOMMER publication: Thermodynamic stability of doped ceria for solar reactors

The paper “Thermodynamic stability of doped ceria for solar reactors: Sublimation and surface segregation” has been published in the Journal Open Ceramics.

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