Design and construction of a cascading pressure reactor prototype for solar-thermochemical hydrogen production

Ermanoski, Ivan; Grobbel, Johannes; Singh, Abhishek; Lapp, Justin; Brendelberger, Stefan; Roeb, Martin; Sattler, Christian; Whaley, Josh; McDaniel, Anthony; Siegel, Nathan P.

doi:10.1063/1.4949203

Title: Design and construction of a cascading pressure reactor prototype for solar-thermochemical hydrogen production

Journal Article · 31 May 2016 · AIP Conference Proceedings

DOI: https://doi.org/10.1063/1.4949203 · OSTI ID:1512888

Ermanoski, Ivan ^[1]; Grobbel, Johannes ^[2]; Singh, Abhishek ^[3]; Lapp, Justin ^[3]; Brendelberger, Stefan ^[3]; Roeb, Martin ^[3]; Sattler, Christian ^[3]; Whaley, Josh ^[4]; McDaniel, Anthony ^[4]; Siegel, Nathan P. ^[5]

Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
German Aerospace Center (DLR), Jülich (Germany)
German Aerospace Center (DLR), Köln (Germany)
Sandia National Laboratories, Livermore, CA
Bucknell Univ., Lewisburg, PA (United States)

Recent work regarding the efficiency maximization for solar thermochemical fuel production in two step cycles has led to the design of a new type of reactor—the cascading pressure reactor—in which the thermal reduction step of the cycle is completed in multiple stages, at successively lower pressures. This approach enables lower thermal reduction pressures than in single-staged reactors, and decreases required pump work, leading to increased solar to fuel efficiencies. In this work we report on the design and construction of a prototype cascading pressure reactor and testing of some of the key components. We specifically focus on the technical challenges particular to the design, and their solutions.

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Research Organization:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Hydrogen Fuel Cell Technologies Office (HFTO)

Grant/Contract Number:: AC04-94AL85000

OSTI ID:: 1512888

Report Number(s):: SAND2015-6620J; 670403

Journal Information:: AIP Conference Proceedings, Vol. 1734

Country of Publication:: United States

Language:: English

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Cited by: 13 works

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