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Title: Proton conducting ceramics in membrane separations

Abstract

Perovskite materials of the general formula SrCeO.sub.3 and BaCeO.sub.3 are provided having improved conductivity while maintaining an original ratio of chemical constituents, by altering the microstructure of the material. A process of making Pervoskite materials is also provided in which wet chemical techniques are used to fabricate nanocrystalline ceramic materials which have improved grain size and allow lower temperature densification than is obtainable with conventional solid-state reaction processing.

Inventors:
; ; ;
Issue Date:
Research Org.:
Savannah River Site (SRS), Aiken, SC (United States). Savannah River Ecology Lab. (SREL)
Sponsoring Org.:
USDOE
OSTI Identifier:
1178013
Patent Number(s):
9005486
Application Number:
13/066,166
Assignee:
Savannah River Nuclear Solutions, LLC (Aiken, SC)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01B - CABLES
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01P - INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
DOE Contract Number:  
AC09-08SR22470
Resource Type:
Patent
Resource Relation:
Patent File Date: 2011 Apr 07
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Brinkman, Kyle S, Korinko, Paul S, Fox, Elise B, and Chen, Frank. Proton conducting ceramics in membrane separations. United States: N. p., 2015. Web.
Brinkman, Kyle S, Korinko, Paul S, Fox, Elise B, & Chen, Frank. Proton conducting ceramics in membrane separations. United States.
Brinkman, Kyle S, Korinko, Paul S, Fox, Elise B, and Chen, Frank. Tue . "Proton conducting ceramics in membrane separations". United States. https://www.osti.gov/servlets/purl/1178013.
@article{osti_1178013,
title = {Proton conducting ceramics in membrane separations},
author = {Brinkman, Kyle S and Korinko, Paul S and Fox, Elise B and Chen, Frank},
abstractNote = {Perovskite materials of the general formula SrCeO.sub.3 and BaCeO.sub.3 are provided having improved conductivity while maintaining an original ratio of chemical constituents, by altering the microstructure of the material. A process of making Pervoskite materials is also provided in which wet chemical techniques are used to fabricate nanocrystalline ceramic materials which have improved grain size and allow lower temperature densification than is obtainable with conventional solid-state reaction processing.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {4}
}

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Works referenced in this record:

Synthesis and Application of Porous Sm 0.2 Ce 0.8 O 1.9 Nanocrystal Aggregates
journal, September 2009


Nanoscale Effects on the Ionic Conductivity of Highly Doped Bulk Nanometric Cerium Oxide
journal, December 2006


Synthesis and electrical properties of BaCeO3-based proton conductors by calcinations of metal-polyvinyl alcohol gel
journal, February 2013