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Title: Development of mixed-conducting dense ceramic membranes for hydrogen separation.

Abstract

The electronic transference numbers of BCY were relatively low when compared with the protonic numbers. At 800 C, a hydrogen flux of only 0.02 cm{sup 3}/min/cm{sup 2} was obtained in an {approx} 2-rnm-thick BCY sample by short-circuiting the two Pt electrodes. We have developed a novel composite system with improved electronic transport, and preliminary measurements indicate that the new membrane materials can be used in a nongalvanic mode to separate hydrogen from gas mixtures. A maximum flux of 0.12 cm{sup 3}/min/cm{sup 2} has been measured at 800 C in the composite material operated in the nongalvanic mode. Currently, work is underway to further enhance the hydrogen flux in the composite membrane materials.

Authors:
; ; ;
Publication Date:
Research Org.:
Argonne National Lab., IL (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
8891
Report Number(s):
ANL/ET/CP-94969
TRN: AH200117%%274
DOE Contract Number:  
W-31-109-ENG-38
Resource Type:
Conference
Resource Relation:
Conference: 5th International Conference on Inorganic Membranes, Nagoya (JP), 06/22/1998--06/26/1998; Other Information: PBD: 17 Apr 1998
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; 36 MATERIALS SCIENCE; CERAMICS; COMPOSITE MATERIALS; ELECTRODES; HYDROGEN; MEMBRANES; MIXTURES; TRANSPORT

Citation Formats

Balachandran, U, Bose, A C, Guan, J, and Stiegel, G J. Development of mixed-conducting dense ceramic membranes for hydrogen separation.. United States: N. p., 1998. Web.
Balachandran, U, Bose, A C, Guan, J, & Stiegel, G J. Development of mixed-conducting dense ceramic membranes for hydrogen separation.. United States.
Balachandran, U, Bose, A C, Guan, J, and Stiegel, G J. 1998. "Development of mixed-conducting dense ceramic membranes for hydrogen separation.". United States. https://www.osti.gov/servlets/purl/8891.
@article{osti_8891,
title = {Development of mixed-conducting dense ceramic membranes for hydrogen separation.},
author = {Balachandran, U and Bose, A C and Guan, J and Stiegel, G J},
abstractNote = {The electronic transference numbers of BCY were relatively low when compared with the protonic numbers. At 800 C, a hydrogen flux of only 0.02 cm{sup 3}/min/cm{sup 2} was obtained in an {approx} 2-rnm-thick BCY sample by short-circuiting the two Pt electrodes. We have developed a novel composite system with improved electronic transport, and preliminary measurements indicate that the new membrane materials can be used in a nongalvanic mode to separate hydrogen from gas mixtures. A maximum flux of 0.12 cm{sup 3}/min/cm{sup 2} has been measured at 800 C in the composite material operated in the nongalvanic mode. Currently, work is underway to further enhance the hydrogen flux in the composite membrane materials.},
doi = {},
url = {https://www.osti.gov/biblio/8891}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Fri Apr 17 00:00:00 EDT 1998},
month = {Fri Apr 17 00:00:00 EDT 1998}
}

Conference:
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