A solid oxide electrochemical device includes: a porous support structure having a porous outer surface and a tubular porous inner surface; a first electrode layer disposed radially inside the tubular porous inner surface and supported by the porous support structure; a dense electrolyte layer disposed radially inside and supported by the first electrode composition; and a second electrode layer disposed radially inside and supported by the dense electrolyte.
UT-BATTELLE, LLC (One Bethel Valley Road 4500N, MS-6258 Oak Ridge TN 37831-6258)
May 31, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH
 The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.