Zobrazeno 1 - 10
of 166
pro vyhledávání: '"Martin Roeb"'
Autor:
Christos Agrafiotis, Mathias Pein, Asmaa Eltayeb, Lena Klaas, Lamark de Oliveira, Abhishek K. Singh, Martin Roeb, Christian Sattler
Publikováno v:
SolarPACES Conference Proceedings, Vol 2 (2024)
A novel approach towards thermal energy storage of surplus renewable energy (RE) is introduced via a hybrid thermochemical/sensible heat storage concept implemented with the aid of porous structures made of redox metal oxides, capable of reversible r
Externí odkaz:
https://doaj.org/article/52c8fdf9b3bc42cc821431dae35377f8
Autor:
Vamshi Krishna Thanda, Dennis Thomey, Michael Wullenkord, Kai-Peter Eßer, Christos Agrafiotis, Dimitrios Dimitrakis, Martin Roeb, Christian Sattler
Publikováno v:
SolarPACES Conference Proceedings, Vol 2 (2024)
Catalytic sulphur trioxide splitting is the highest-temperature (650-950oC), endothermic step of several sulphur-based thermochemical cycles targeted to production of hydrogen or solid sulphur. Concentrated solar power tower plants are an attractive
Externí odkaz:
https://doaj.org/article/e963b04e13ec4cf583dcbe1dc9b54167
Autor:
Martin Roeb, Pablo López Martínez, Nicole Neumann, David Baumstark, Lena Klaas, Dorottya Kriechbaumer, Nathalie Monnerie, Christos Agrafiotis, Christian Sattler
Publikováno v:
SolarPACES Conference Proceedings, Vol 2 (2024)
Solar fertiliser production including the internal utilisation of the side-product oxygen is analysed as one promising example of an innovative process utilising renewable energy resources and addressing the aspect of integrated production – here i
Externí odkaz:
https://doaj.org/article/26a80971e91f4f5f8f47629a3a444129
Autor:
Asmaa Eltayeb, Verena Graß, Kangjae Lee, Mathias Pein, Christos Agrafiotis, Martin Schmücker, Martin Roeb, Christian Sattler
Publikováno v:
Materials & Design, Vol 236, Iss , Pp 112514- (2023)
Composite Extrusion Modelling (CEM) is an advanced additive manufacturing technique that enables rapid, cost-effective production of complex, customisable designs. In this study, CEM 3D printing of porous ceria structures is reported for the first ti
Externí odkaz:
https://doaj.org/article/7e0e8476bc5f400689389ac7c10bb1ed
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-17 (2023)
Abstract The Martian atmosphere contains 0.16% oxygen, which is an example of an in-situ resource that can be used as precursor or oxidant for propellants, for life support systems and potentially for scientific experiments. Thus, the present work is
Externí odkaz:
https://doaj.org/article/11975abba0ae433b8fb9dedcd5db2dc2
Autor:
Yasuki Kadohiro, Vamshi Krishna Thanda, Bruno Lachmann, Kai Risthaus, Nathalie Monnerie, Martin Roeb, Christian Sattler
Publikováno v:
Energy Conversion and Management: X, Vol 18, Iss , Pp 100366- (2023)
Concentrating solar thermal technologies are drawing more attention since it can substantially contribute to a carbon-neutral society. The solar receivers are essential in this technology to convert solar energy efficiently into thermal energy. Moreo
Externí odkaz:
https://doaj.org/article/5adb8cb18d3a4cdd919639b6e6d280c6
Autor:
Kangjae Lee, Nicole Knoblauch, Christos Agrafiotis, Mathias Pein, Martin Roeb, Christian Sattler
Publikováno v:
Open Ceramics, Vol 10, Iss , Pp 100269- (2022)
The influence of ionic radii and valence of dopants in Ce0.9LaxYbyZr0.1−x−yO2−δ (x = 0, 0.05, 0.1, y = 0, 0.05, 0.1) on the oxidation kinetics were investigated by thermogravimetric analysis in synthetic air and were compared to undoped ceria.
Externí odkaz:
https://doaj.org/article/8f27ee70ceab40a0ae4ad1314357814e
Autor:
Estefania Vega Puga, Gkiokchan Moumin, Nicole Carina Neumann, Martin Roeb, Armin Ardone, Christian Sattler
Publikováno v:
Energies, Vol 15, Iss 5, p 1608 (2022)
Synthetic Natural Gas (SNG) is the most researched option for a Power-to-Fuel pathway in Germany after hydrogen, having the advantage of being compatible with the existing infrastructure. However, it is not clear under which conditions SNG is economi
Externí odkaz:
https://doaj.org/article/24eae9587d704076a2aa27e2c447c960
Autor:
Andreas Rosenstiel, Nathalie Monnerie, Jürgen Dersch, Martin Roeb, Robert Pitz-Paal, Christian Sattler
Publikováno v:
Energies, Vol 14, Iss 12, p 3437 (2021)
Global trade of green hydrogen will probably become a vital factor in reaching climate neutrality. The sunbelt of the Earth has a great potential for large-scale hydrogen production. One promising pathway to solar hydrogen is to use economically pric
Externí odkaz:
https://doaj.org/article/64e1cf16d487450593bede1beade7ae4
Publikováno v:
Entropy, Vol 18, Iss 1, p 24 (2016)
The present study provides a thermodynamic analysis of solar thermochemical cycles for splitting of H2O or CO2. Such cycles, powered by concentrated solar energy, have the potential to produce fuels in a sustainable way. We extend a previous study on
Externí odkaz:
https://doaj.org/article/03363cb6bb8f4c338b4d35c3c12fae7f