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Development of a novel solar reactor for thermochemical water-splitting

Felinks, Jan und Neises, Martina und Sattler, Christian und Pitz-Paal, Robert (2012) Development of a novel solar reactor for thermochemical water-splitting. 8th SOLLAB Doctoral Colloquium, 2012-06-25 - 2012-06-26, Almería, Spain.

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Kurzfassung

Hydrogen is an energy carrier with a great future potential. The field of application is huge because it has a high energy density and it is easy to handle. Furthermore the big advantage of emission-free combustion makes it unrivalled. A big challenge is the hydrogen production from renewable energy sources on an economic and industrial scale. The present work deals with the production of hydrogen by thermochemical water-splitting. The reacting material is a metal oxide that is oxidised by the water-splitting reaction with water and then thermally reduced at temperatures up to 1400°C. The redox-material remains solid during the whole cycle. The purpose of this work is to develop a novel solar reactor for the described process that supports temperatures of about 1400°C needed for the thermal reduction step. The major points of the novel design are to achieve high reacting surface areas for the chemical reaction and a high thermal efficiency of the reactor. Up to now a literature research of existing reactor concepts and the collection of requirements have been done. High reacting surface areas can be realised with a particle reactor, for example a fluidised bed. The high temperature needed for the thermal reduction can be achieved with a directly irradiated reactor concept without the use of a heat transfer fluid. An overview of possible reactor concepts has been outlined. In order to evaluate these concepts a system of criteria was created which helps to choose the most promising one. The next steps are to choose a suitable reactor concept and to develop a new experimental reactor based on this concept.

elib-URL des Eintrags:https://elib.dlr.de/77960/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Development of a novel solar reactor for thermochemical water-splitting
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Felinks, JanSF-VNNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Neises, MartinaSF-VNNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Sattler, ChristianSF-VNNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Pitz-Paal, RobertSF-LTNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:25 Juli 2012
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:hydrogen, metal oxide, solar, reactor concept, thermochemical cycle
Veranstaltungstitel:8th SOLLAB Doctoral Colloquium
Veranstaltungsort:Almería, Spain
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:25 Juni 2012
Veranstaltungsende:26 Juni 2012
Veranstalter :Alliance of European Laboratories for Research and Technology on Solar Concentrating Systems
HGF - Forschungsbereich:Energie
HGF - Programm:Rationelle Energieumwandlung (alt), Erneuerbare Energie
HGF - Programmthema:E EV - Energieverfahrenstechnik (alt), E VG - Verbrennungs- und Gasturbinentechnik (alt), E SF - Solarforschung (alt)
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E EV - Energieverfahrenstechnik, E VG - Verbrennungs- und Gasturbinentechnik, E SF - Solarforschung
DLR - Teilgebiet (Projekt, Vorhaben):E - Thermochemische Prozesse (alt), E - Brennstoffe (alt), E - Solare Hochtemperatursysteme (alt), E - Solare Verfahrenstechnik (alt)
Standort: Köln-Porz
Institute & Einrichtungen:Institut für Solarforschung > Solare Verfahrenstechnik
Hinterlegt von: Felinks, Jan
Hinterlegt am:29 Okt 2012 13:47
Letzte Änderung:24 Apr 2024 19:44

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