TY - GEN
T1 - Direct solar hybrid sulfur water-splitting process for continuous centralized hydrogen production
AU - Brown, Lloyd C.
AU - Chen, Chau Chyun
AU - Colon-Mercado, Hector R.
AU - Ginosar, Daniel M.
AU - Gorensek, Maximilian B.
AU - Monnier, John R.
AU - Roeb, Martin
AU - Summers, William A.
AU - Thomey, Dennis
AU - Weidner, John W.
AU - Wong, Bunsen
PY - 2014
Y1 - 2014
N2 - 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.
AB - 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.
KW - Demonstration
KW - Economic Analysis
KW - Hybrid Sulfur (HyS) Cycle
KW - Integrated Operation
KW - Solar
UR - http://www.scopus.com/inward/record.url?scp=84924869013&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84924869013
T3 - 20th World Hydrogen Energy Conference, WHEC 2014
SP - 2055
EP - 2064
BT - 20th World Hydrogen Energy Conference, WHEC 2014
PB - Committee of WHEC2014
T2 - 20th World Hydrogen Energy Conference, WHEC 2014
Y2 - 15 June 2014 through 20 June 2014
ER -