Nanoconfinement of borohydrides in CuS hollow nanospheres: A new strategy compared to carbon nanotubes

Herein, the nanoconfinement of LiBH sub(4) and NaBH sub(4) in a carbon (carbon nanotubes, MBH sub(4)NT) and an inorganic support (CuS hollow nanospheres, MBH sub(4)uS) is compared. Both led to drastic improvements in hydrogen storage properties, with hydrogen desorption occurring from room temperatu...

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Published inInternational journal of hydrogen energy Vol. 39; no. 17; pp. 9339 - 9349
Main Authors QIWEN LAI, CHRISTIAN, Meganne, AGUEY-ZINSOU, Kondo-Francois
Format Journal Article
LanguageEnglish
Published Kidlington Elsevier 05.06.2014
Subjects
Alternative fuels. Production and utilization
Applied sciences
Carbon
Carbon nanotubes
Desorption
Energy
Exact sciences and technology
Fuels
Hydrogen
Hydrogen storage
Hydrogen-based energy
Nanospheres
Nanostructure
Strategy
Hollow sphere
Hydrogen storage
Nanoconfinement
Hydrogen
Carbon nanotubes
Reversibility
Nanosphere
Hydroborates
Borohydrides
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Summary:Herein, the nanoconfinement of LiBH sub(4) and NaBH sub(4) in a carbon (carbon nanotubes, MBH sub(4)NT) and an inorganic support (CuS hollow nanospheres, MBH sub(4)uS) is compared. Both led to drastic improvements in hydrogen storage properties, with hydrogen desorption occurring from room temperature, and the reversibility greatly enhanced. However, successive hydrogen desorption and absorption cycles for MBH sub(4)NT led to a decrease in hydrogen storage capacity, most likely due to partial oxidation from oxygen-containing groups on the surface of the carbon nanotubes. In contrast, little to no decrease in capacity was observed for MBH sub(4)uS, indicating that similar materials may be a more viable alternative for future nanoconfinement research.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2014.04.002