Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 31, Issue 7, Pages 961-965Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2005.07.008
Keywords
hydrogen storage; sodium borohydride; catalyst durability; heterogeneous catalysis
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Catalytic hydrolysis of sodium borohydride is a promising technology for hydrogen storage. In this study, we report the performance of Millennium Cell Hydrogen on Demand (TM) (HOD (TM)) hydrogen storage system using a supported catalyst. Dynamic reactor startup and response characteristics were measured using a fixed-bed catalyst reactor at various hydrogen demand conditions. The catalyst reactor was operated without need of fuel preheating. Catalyst durability of more than 700 h was demonstrated with a sodium borchydride conversion over 95% at a liquid feed hourly space velocity (LHSV) of about 15 h(-1) and under a system pressure of 483 kPa. (c) 2005 International Association for Hydrogen Energy., Published by Elsevier Ltd. All rights reserved.
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