Hydrogen Production from Chemical Hydrides via Porous Carbon Particle Composite Catalyst Embedding of Metal Nanoparticles

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dc.authoridPolat, Osman / 0000-0001-6926-1557
dc.authoridŞahiner, Nurettin / 0000-0003-0120-530X
dc.contributor.authorDemirci, Şahin
dc.contributor.authorPolat, Osman
dc.contributor.authorŞahiner, Nurettin
dc.date.accessioned2025-05-29T02:57:22Z
dc.date.available2025-05-29T02:57:22Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.descriptionThis article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
dc.description.abstractPorous carbon particles (PCPs) prepared from sucrose via the hydrothermal method and its modified forms with polyethyleneimine (PEI) as PCP-PEI were used as templates as in situ metal nanoparticles as M@PCP and M@PCP-PEI (M:Co, Ni, or Cu), respectively. The prepared M@PCP and M@PCP-PEI composites were used as catalysts in the hydrolysis of NaBH4 and NH3BH3 to produce hydrogen (H2). The amount of Co nanoparticles within the Co@PCP-PEI structure was steadily increased via multiple loading/reducing cycles, e.g., from 29.8 +/- 1.1 mg/g at the first loading/reducing cycles to 44.3 +/- 4.9 mg/g after the third loading/reducing cycles. The Co@PCP-PEI catalyzed the hydrolysis of NaBH4 within 120 min with 251 +/- 1 mL H2 production and a 100% conversion ratio with a 3.8 +/- 0.3 mol H2/(mmol catmin) turn-over frequency (TOF) and a lower activation energy (Ea), 29.3 kJ/mol. In addition, the Co@PCP-PEI-catalyzed hydrolysis of NH3BH3 was completed in 28 min with 181 +/- 1 mL H2 production at 100% conversion with a 4.8 +/- 0.3 mol H2/(mmol catmin) TOF value and an Ea value of 32.5 kJ/mol. Moreover, Co@PCP-PEI composite catalysts were afforded 100% activity up to 7 and 5 consecutive uses in NaBH4 and NH3B3 hydrolysis reactions, respectively, with all displaying 100% conversions for both hydrolysis reactions in the 10 successive uses of the catalyst.
dc.identifier.doi10.3390/mi16020172
dc.identifier.issn2072-666X
dc.identifier.issue2
dc.identifier.pmid40047647
dc.identifier.scopus2-s2.0-85219017402
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.3390/mi16020172
dc.identifier.urihttps://hdl.handle.net/20.500.12428/30035
dc.identifier.volume16
dc.identifier.wosWOS:001430226600001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMDPI
dc.relation.ispartofMicromachines
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250529
dc.subjectcarbon-based catalyst
dc.subjectcarbon-metal composite catalyst
dc.subjecthydrolysis of sodium borohydride
dc.subjectammonia borane
dc.subjecthydrogen production
dc.subjectrenewable energy
dc.titleHydrogen Production from Chemical Hydrides via Porous Carbon Particle Composite Catalyst Embedding of Metal Nanoparticles
dc.typeArticle

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