Journal
CATALYSIS TODAY
Volume 120, Issue 3-4, Pages 305-310Publisher
ELSEVIER
DOI: 10.1016/j.cattod.2006.09.019
Keywords
hydrogen generation; NaBH4; Co-B catalyst; structured catalyst; Ni foam support
Funding
- Ministry of Education, Science & Technology (MoST), Republic of Korea [2E19250] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [과C6A2402] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A structured Co-B catalyst has been developed to produce hydrogen from an alkaline NaBH4 solution. The catalyst was prepared by chemical reduction of Co precursors coated on a Ni foam support. The effects of catalyst preparation conditions on activity of the catalyst were investigated. The active catalyst was amorphous in structure and contains boron with a Co/B molar ratio of 1.5-2.8. With increasing the heat treatment temperature, the catalyst showed a maximum activity to hydrogen generation at approximately 250 degrees C. Adhesion of the catalyst to the support was also enhanced by heat treatment at 300-400 degrees C. The catalysts were successfully applied in both a batch reactor and a flow reactor for continuous generation of hydrogen. (c) 2006 Elsevier B.V. All rights reserved.
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