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Process schemes and scenarios of solar hydrogen production via high temperature electrolysis

Sattler, Christian and Roeb, Martin and Monnerie, Nathalie and Houaijia, Anis and Mesa, Veronica and Lucero, Cristina and Palomino, Rocio (2012) Process schemes and scenarios of solar hydrogen production via high temperature electrolysis. In: Konferenz Proceedings. 12th International Conference on Hydrogen Production - ICH2P, 24.-27. June 2012, Seoul, Korea.

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Abstract

High temperature electrolysis is considered as a promising process for a sustainable hydrogen production. In the high temperature electrolyser, the decomposition of water steam into hydrogen and oxygen takes place. The requirements of the electrolyser are high-temperature heat and electricity, which can be supplied by the concentration of solar radiation. Different technologies, which make use of the principle of concentrating solar energy, are able to provide the electrolysis process with heat and electricity. The solar systems, which are considered in particular, are based on solar tower, parabolic dish and parabolic through technologies. The former uses many larges, computer-controlled, sun-tracking mirrors, so called heliostats to focus the incoming solar radiation into a receiver placed on the top of a tower. The solar tower technology has been demonstrated for many working fluids, e.g. air and molten salt. The heat of the working fluid is used to generate water steam, which runs a steam turbine in order to generate electricity. The second technology uses a parabolic concentrator, which concentrates the solar radiation into the thermal receiver integrated in the heat engine, which perform the conversion of heat to electricity. The last one uses mirror reflectors to concentrate sunlight onto thermally-efficient receiver tubes placed in the trough focal line in order to generate high temperature steam which can drive a turbine for electricity generation or be used directly for process heat. This paper will present an overview of the high temperature electrolysis coupled to the mentioned solar energy technologies, including process design.

Item URL in elib:https://elib.dlr.de/77832/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:Process schemes and scenarios of solar hydrogen production via high temperature electrolysis
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sattler, ChristianUNSPECIFIEDUNSPECIFIED
Roeb, MartinUNSPECIFIEDUNSPECIFIED
Monnerie, NathalieUNSPECIFIEDUNSPECIFIED
Houaijia, AnisUNSPECIFIEDUNSPECIFIED
Mesa, VeronicaUNSPECIFIEDUNSPECIFIED
Lucero, CristinaUNSPECIFIEDUNSPECIFIED
Palomino, RocioUNSPECIFIEDUNSPECIFIED
Date:27 June 2012
Journal or Publication Title:Konferenz Proceedings
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:solar thermal, CSP, steam electrolysis, energy source, flow sheet
Event Title:12th International Conference on Hydrogen Production - ICH2P
Event Location:Seoul, Korea
Event Type:international Conference
Event Dates:24.-27. June 2012
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:E SF - Solar research (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Solare Verfahrenstechnik (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Solare Verfahrenstechnik
Deposited By: Roeb, Dr.rer.nat. Martin
Deposited On:20 Nov 2012 17:08
Last Modified:20 Nov 2012 17:08

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