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DIRECT SOLAR HYBRID SULFUR WATER-SPLITTING PROCESS FOR CONTINUOUS CENTRALIZED HYDROGEN PRODUCTION

Brown, Lloyd and Chau-Chyun, Chen and Colón-Mercado, Hector and Ginosar, Daniel and Gorensek, Maximilian and Monnier, John and Roeb, Martin and Summers, William and Thomey, Dennis and Weidner, John and Wong, Bunsen (2014) DIRECT SOLAR HYBRID SULFUR WATER-SPLITTING PROCESS FOR CONTINUOUS CENTRALIZED HYDROGEN PRODUCTION. In: Proceedings Of 20th World Hydrogen Energy Conference (WHEC 2014), 1. Curran Associates, Inc.. WHEC2014, 15.-20. June 2014, Gwangju, South-Korea. ISBN 978-1-63439-655-4

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Abstract

An international team is planning to develop a virtual demonstration of solar thermochemical hydrogen production based on the hybrid sulfur cycle. The effort will couple DLR’s diurnal two-chamber solar reactor with SRNL’s continuous PEM SO2-depolarized electrolyzer. General Atomics will help integrate the two halves of the process and will contribute the SO2 separation and H2SO4 handling components. Other partners include INL, Texas Tech University, and the University of South Carolina, who will work on improved catalysts for both reaction steps, improved PEM membranes for electrolysis, and a properties model that accurately duplicates the highly non-ideal behavior of the SO2-H2SO4-H2O-SO3-O2 system. The solar acid decomposition system will be tested on-sun at DLR’s solar furnace/simulator in Cologne, Germany, the electrolyzer will be tested at SRNL, and the acid/SO2 system will be tested at GA. Virtual integrated operation will be achieved by matching interface conditions between systems and utilizing process simulation models. While the scale of the demonstration is small (≥3 L H2), the project objective includes a detailed commercial scale design together with economic analyses to generate credible estimates for the cost of hydrogen production.

Item URL in elib:https://elib.dlr.de/95174/
Document Type:Conference or Workshop Item (Speech)
Title:DIRECT SOLAR HYBRID SULFUR WATER-SPLITTING PROCESS FOR CONTINUOUS CENTRALIZED HYDROGEN PRODUCTION
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Brown, LloydGeneral AtomicsUNSPECIFIED
Chau-Chyun, ChenUNSPECIFIEDUNSPECIFIED
Colón-Mercado, HectorUNSPECIFIEDUNSPECIFIED
Ginosar, DanielUNSPECIFIEDUNSPECIFIED
Gorensek, MaximilianUNSPECIFIEDUNSPECIFIED
Monnier, JohnUNSPECIFIEDUNSPECIFIED
Roeb, MartinUNSPECIFIEDUNSPECIFIED
Summers, WilliamUNSPECIFIEDUNSPECIFIED
Thomey, DennisUNSPECIFIEDUNSPECIFIED
Weidner, JohnUNSPECIFIEDUNSPECIFIED
Wong, BunsenGeneral AtomicsUNSPECIFIED
Date:2014
Journal or Publication Title:Proceedings Of 20th World Hydrogen Energy Conference (WHEC 2014)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:1
Publisher:Curran Associates, Inc.
ISBN:978-1-63439-655-4
Status:Published
Keywords:sulfuric acid, electrolysis
Event Title:WHEC2014
Event Location:Gwangju, South-Korea
Event Type:international Conference
Event Dates:15.-20. June 2014
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: Roeb, Dr.rer.nat. Martin
Deposited On:14 Apr 2015 13:36
Last Modified:14 Apr 2015 13:36

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