Fabrications and evaluations of hydrogen permeation on Al2O3/CeO2/graphene (ACG) composites membrane by Hot Press Sintering (HPS)

Title
Fabrications and evaluations of hydrogen permeation on Al2O3/CeO2/graphene (ACG) composites membrane by Hot Press Sintering (HPS)
Authors
주현철
Keywords
Al2O3 CeO2 Graphene Solegel Hydrogen permeation
Issue Date
2013
Publisher
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Series/Report no.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY; vol.38 no.18 startpage 7654 endpage 7658
Abstract
Ceramic membrane has high permeation rate of hydrogen and chemical stability. Al2O3 indicates stable at high temperature and a relatively large surface area. In addition, Al2O3 of porous is used as hydrogen separation membranes support, because of the high hydrogen permeability based on Knudsen diffusion mechanism. In this work, metal alkoxides as starting materials was used Aluminum isopropoxide powder. Then CeO2 as catalyst at the partial oxidation and Graphene Oxide as electrical conductivity are added, Al2O3eCeO2eGraphene oxide (ACG) composites are synthesized by solegel process. ACG membrane was fabricated type of disk by Hot Press Sintering. A synthesized ACG composite material was characterized by EDS, SEM, TG/DTA, XRD, BET. The hydrogen permeation property of ACG membrane was measured by Sievert’s type hydrogen permeation membrane equipment. The hydrogen permeability of ACG membranes was examined at RT-673 K under increasing pressure. Results, hydrogen permeability was obtained to 2.62 10 7 mol/ms Pa1/2 at 673 K under 0.3 MPa.
URI
http://dx.doi.org/10.1016/j.ijhydene.2012.08.080
http://dspace.inha.ac.kr/handle/10505/31600
ISSN
0360-3199
Appears in Collections:
College of Engineering(공과대학) > Mechanical Engineering(기계공학) > Journal Papers, Reports(기계공학 논문, 보고서)
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