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Efficient hydrogen generation from sodium borohydride hydrolysis using silica sulfuric acid catalyst

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Title Efficient hydrogen generation from sodium borohydride hydrolysis using silica sulfuric acid catalyst
 
Creator MANNA, J
ROY, B
SHARMA, P
 
Subject SUPPORTED COBALT
NANOPARTICLES
NABH4
FABRICATION
RUTHENIUM
NICKEL
BORIDE
Sodium borohydride
Hydrolysis
Silica sulfuric acid
Hydrogen storage
Acid catalyst
 
Description A heterogeneous acid catalyst, silica sulfuric acid, was prepared from silica gel (SiO2) and sulfuric acid (H2SO4). Addition of SO3H functional group to SiO2 has been confirmed through various characterization techniques. The effect of this heterogeneous acid catalyst on hydrogen generation from sodium borohydride hydrolysis reaction was studied for different ratios of catalyst to NaBH4 and at different temperatures. The catalyst exhibited high catalytic activity towards sodium borohydride hydrolysis reaction. The activation energy of the NaBH4 hydrolysis reaction in the presence of silica sulfuric acid was calculated to be the lowest (17 kJ mol(-1)) among reported heterogeneous catalysts till date. (C) 2014 Elsevier B.V. All rights reserved.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2016-01-15T04:23:57Z
2016-01-15T04:23:57Z
2015
 
Type Article
 
Identifier JOURNAL OF POWER SOURCES, 275,727-733
0378-7753
1873-2755
http://dx.doi.org/10.1016/j.jpowsour.2014.11.040
http://dspace.library.iitb.ac.in/jspui/handle/100/17749
 
Language en