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In-Situ and Real-time Monitoring of Mechanochemical Preparation of Li2Mg(NH2BH3)(4) and Na2Mg(NH2BH3)(4) and Their Thermal Dehydrogenation
dc.creator | Biliškov, Nikola | |
dc.creator | Borgschulte, Andreas | |
dc.creator | Uzarevic, Krunoslav | |
dc.creator | Halasz, Ivan | |
dc.creator | Lukin, Stipe | |
dc.creator | Milošević, Sanja S. | |
dc.creator | Milanović, Igor | |
dc.creator | Grbović-Novaković, Jasmina | |
dc.date.accessioned | 2018-03-01T18:03:16Z | |
dc.date.available | 2018-03-01T18:03:16Z | |
dc.date.issued | 2017 | |
dc.identifier.issn | 0947-6539 | |
dc.identifier.issn | 1521-3765 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/1870 | |
dc.description.abstract | For the first time, in situ monitoring of uninterrupted mechanochemical synthesis of two bimetallic amidoboranes, M2Mg(NH2BH3)(4) (M=Li, Na), by means of Raman spectroscopy, has been applied. This approach allowed real-time observation of key intermediate phases, and a straightforward follow-up of the reaction course. Detailed analysis of time-dependent spectra revealed a two-step mechanism through MNH2BH3 center dot NH3BH3 adducts as key intermediate phases which further reacted with MgH2, giving M2Mg(NH2BH3)(4) as final products. The intermediates partially take a competitive pathway toward the oligomeric M(BH3NH2BH2NH2BH3) phases. The crystal structure of the novel bimetallic amidoborane Li2Mg(NH2BH3)(4) was solved from high-resolution powder diffraction data and showed an analogous metal coordination to Na2Mg(NH2BH3)(4), but a significantly different crystal packing. Li2Mg(NH2BH3)(4) thermally dehydrogenates releasing highly pure H-2 in the amount of 7 wt.%, and at a lower temperature then its sodium analogue, making it significantly more viable for practical applications. | en |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45012/RS// | |
dc.relation | Ministry of Environment and Energy, Ministry of Science and Education, Environmental Protection and Energy Efficiency Fund, Croatian Science Foundation under the project New Materials for Energy Storage | |
dc.rights | restrictedAccess | en |
dc.source | Chemistry. A European Journal | en |
dc.subject | amidoboranes | en |
dc.subject | hydrogen storage | en |
dc.subject | mechanochemistry | en |
dc.subject | Raman spectroscopy | en |
dc.subject | thermal dehydrogenation | en |
dc.title | In-Situ and Real-time Monitoring of Mechanochemical Preparation of Li2Mg(NH2BH3)(4) and Na2Mg(NH2BH3)(4) and Their Thermal Dehydrogenation | en |
dc.type | article | en |
dc.rights.license | ARR | |
dcterms.abstract | Милановиц, Игор; Билисков, Никола; Боргсцхулте, Aндреас; Лукин, Стипе; Халасз, Иван; Милошевић Сања; Узаревиц, Крунослав; Грбовић-Новаковић Јасмина; | |
dc.citation.volume | 23 | |
dc.citation.issue | 64 | |
dc.citation.spage | 16274 | |
dc.citation.epage | 16282 | |
dc.identifier.wos | 000417968100021 | |
dc.identifier.doi | 10.1002/chem.201702665 | |
dc.citation.rank | M21 | |
dc.identifier.pmid | 28902966 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85034074987 |