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A Review on Solar Syngas Production via Redox Pair-based Water/Carbon Dioxide Splitting Thermochemical Cycles

Agrafiotis, Christos and Roeb, Martin and Sattler, Christian (2015) A Review on Solar Syngas Production via Redox Pair-based Water/Carbon Dioxide Splitting Thermochemical Cycles. Renewable and Sustainable Energy Reviews, pp. 254-285. Elsevier. DOI: /10.1016/j.rser.2014.09.039 ISSN 1364-0321

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Official URL: http://www.sciencedirect.com/science/article/pii/S1364032114008120

Abstract

The high power density, ease of transportation and storage and many years of development of internal combustion engine technologies have put liquid hydrocarbon fuels at a privileged position in our energy mix. Therefore processes that use renewable energy sources to produce liquid hydrocarbon fuels from H2O and CO2 are of crucial importance. Concentrated Solar Power (CSP) can be employed as the only energy source for the renewable production of hydrogen from water either indirectly, e.g. by supplying the electricity for electrolysis, or directly by supplying the necessary heat for thermochemically producing hydrogen. Among the various thermochemical cycles tested so far for CSP-driven hydrogen production via water splitting (WS), those based on redox-pair oxide systems, are directly adaptable to carbon dioxide splitting (CDS) and/or combined CO2/H2O splitting for the production of CO or syngas, respectively. The acknowledgement of this fact has recently revived the interest of the scientific community on such technologies. The current article presents the development, evolution and current status of CSP-aided syngas production via such redox-pair-based thermochemical cycles. At first the various redox oxide material compositions tested for water/carbon dioxide splitting are presented and their redox chemistries are discussed. Then the selection of suitable solar reactors is addressed in conjunction with the boundary conditions imposed by the redox systems as well as the heat demands, technical peculiarities and requirements of the cycle steps. The various solar reactor concepts proposed and employed for such reactions and their current status of development are presented. Finally, topics where further work is needed for commercialization of the technology are identified and discussed.

Item URL in elib:https://elib.dlr.de/99222/
Document Type:Article
Title:A Review on Solar Syngas Production via Redox Pair-based Water/Carbon Dioxide Splitting Thermochemical Cycles
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Agrafiotis, Christoschristos.agrafiotis (at) dlr.deUNSPECIFIED
Roeb, MartinMartin.roeb (at) dlr.deUNSPECIFIED
Sattler, Christianchristian.sattler (at) dlr.deUNSPECIFIED
Date:February 2015
Journal or Publication Title:Renewable and Sustainable Energy Reviews
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :/10.1016/j.rser.2014.09.039
Page Range:pp. 254-285
Publisher:Elsevier
ISSN:1364-0321
Status:Published
Keywords:Solar fuels; Solar syngas; Thermochemical cycles; Water splitting; Carbon dioxide splitting; Solar reactors
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Solar Process Technology (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Solare Verfahrenstechnik
Deposited By: Sattler, Prof. Dr. Christian
Deposited On:06 Nov 2015 15:11
Last Modified:06 Nov 2015 15:11

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