Results Of Recent High Temperature Co-Electrolysis Studies At The Idaho National Laboratory

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For the past several years, the Idaho National Laboratory and Ceramatec, Inc. have been studying the feasibility of high temperature solid oxide electrolysis for large-scale, nuclear-powered hydrogen production. Parallel to this effort, the INL and Ceramatec have been researching high temperature solid oxide co-electrolysis of steam/CO2 mixtures to produce syngas, the raw material for synthetic fuels production. When powered by nuclear energy, high temperature co-electrolysis offers a carbon-neutral means of syngas production while consuming CO2. The INL has been conducting experiments to characterize the electrochemical performance of co-electrolysis, as well as validate INL-developed computer models. An inline methanation reactor has ... continued below

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Stoots, C. M.; O'Brien, James E. & Hartvigsen, Joseph J. November 1, 2007.

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For the past several years, the Idaho National Laboratory and Ceramatec, Inc. have been studying the feasibility of high temperature solid oxide electrolysis for large-scale, nuclear-powered hydrogen production. Parallel to this effort, the INL and Ceramatec have been researching high temperature solid oxide co-electrolysis of steam/CO2 mixtures to produce syngas, the raw material for synthetic fuels production. When powered by nuclear energy, high temperature co-electrolysis offers a carbon-neutral means of syngas production while consuming CO2. The INL has been conducting experiments to characterize the electrochemical performance of co-electrolysis, as well as validate INL-developed computer models. An inline methanation reactor has also been tested to study direct methane production from co-electrolysis products. Testing to date indicate that high temperature steam electrolysis cells perform equally well under co-electrolysis conditions. Process model predictions compare well with measurements for outlet product compositions. The process appears to be a promising technique for large-scale syngas production.

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  • 2007 AIChE Annual Meeting,Salt Lake City, Utah, USA,11/04/2007,11/09/2007

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  • Report No.: INL/CON-07-12821
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 923494
  • Archival Resource Key: ark:/67531/metadc893220

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  • November 1, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 9, 2016, 6:59 p.m.

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Stoots, C. M.; O'Brien, James E. & Hartvigsen, Joseph J. Results Of Recent High Temperature Co-Electrolysis Studies At The Idaho National Laboratory, article, November 1, 2007; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc893220/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.