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Sustainable Additives for the Production of Hydrogen via Sodium Borohydride Hydrolysis

2023-06Journal article Open access
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dc.contributor.authorGomez-Coma, Lucia
dc.contributor.authorSilva, Diogo
dc.contributor.authorOrtiz, A.
dc.contributor.authorRangel, C. M.
dc.contributor.authorOrtiz-Martínez, V. M.
dc.contributor.authorPinto, A. M. F. R.
dc.contributor.authorOrtiz, Inmaculada
dc.date.accessioned2023-08-10T14:30:52Z
dc.date.available2023-08-10T14:30:52Z
dc.date.issued2023-06
dc.description.abstractABSTRACT: Finding stable solutions for hydrogen storage is one of the main challenges to boosting its deployment as an energy vector and contributing to the decarbonization of the energy sector. In this context, sodium borohydride (NaBH4) has been largely studied as a hydrogen storage material due to its significant advantages, such as low pressure, stability, and high hydrogen storage density. The development of catalysts and additive materials for the on-demand hydrolysis of NaBH4 for hydrogen release is a key research area. This work studies the effects of non-toxic and environmentally friendly additives for the hydrolysis process in terms of yield, lag time, hydrogen generation rate, and gravimetric density. Specifically, four additives, including sodium carboxymethylcellulose (CMC), polyacrylamide (PAM), sodium dodecyl sulfate (SDS), and & beta;-cyclodextrin (BCD), were studied for their application in the storage and release of hydrogen. The best results were provided by the use of sodium carboxymethyl cellulose and polyacrylamide. In the first case, a hydrolysis yield of 85%, a lag time of 70 s, a hydrogen production rate of 1374 mL & BULL;min(-1)& BULL;gcat(-1), and a storage capacity of 1.8 wt% were obtained. Using polyacrylamide as additive, a hydrolysis yield of almost 100% was achieved, although it required a significantly higher time period for complete conversion.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGomez-Coma, Lucía... et.al - Sustainable Additives for the Production of Hydrogen via Sodium Borohydride Hydrolysis. In: Applied Sciences-Basel, 2023, vol. 13 (12), article nº 6995pt_PT
dc.identifier.doi10.3390/app13126995pt_PT
dc.identifier.eissn2076-3417
dc.identifier.urihttp://hdl.handle.net/10400.9/4134
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttps://doi.org/10.3390/app13126995pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectHydrogen storagept_PT
dc.subjectSodium borohydridept_PT
dc.subjectHydrolysispt_PT
dc.titleSustainable Additives for the Production of Hydrogen via Sodium Borohydride Hydrolysispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleApplied Sciences-Baselpt_PT
oaire.citation.volume13pt_PT
person.familyNameGomez-Coma
person.familyNameSilva
person.familyNameRangel
person.givenNameLucia
person.givenNameDiogo
person.givenNameCarmen M.
person.identifier912626
person.identifier.ciencia-idBB15-E568-84C9
person.identifier.ciencia-idAA13-FF7C-9E29
person.identifier.orcid0000-0001-7586-6552
person.identifier.orcid0000-0003-4769-2342
person.identifier.orcid0000-0001-7996-8142
person.identifier.ridD-5477-2011
person.identifier.scopus-author-id56200883200
person.identifier.scopus-author-id7006108156
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationa4cc61b1-15a0-4224-87c9-98cf7e7e26b5
relation.isAuthorOfPublication3902ca2e-47aa-4199-901e-7384b811b351
relation.isAuthorOfPublication804e595a-d539-46a2-ae78-6cadc8ca9457
relation.isAuthorOfPublication.latestForDiscovery804e595a-d539-46a2-ae78-6cadc8ca9457

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