Investigation of hydrogen production from boron compounds for PEM fuel cells

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dc.contributor.authorAy, Murat
dc.contributor.authorMidilli, Adnan
dc.contributor.authorDincer, Ibrahim
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2006
dc.departmentNiğde ÖHÜ
dc.description.abstractThis paper presents a comprehensive study of hydrogen production from sodium borohydride (NaBH4), which is synthesized from sodium tetraborate (Na2B4O7) decomposition, for proton exchange membrane (PEM) fuel cells. For this purpose, Na2B4O7 decomposition reaction at 450-500 degrees C under hydrogen atmosphere and NaBH4 decomposition reaction at 25-40 degrees C under atmospheric pressure are selected as a common temperature range in practice, and the inlet molar quantities of Na2B4O7 are chosen from 1 to 6 mol with 0.5 mol interval as well. In order to form NaBH4 solution with 7.5 wt.% NaBH4, 1 wt.% NaOH, 91.5 wt.% H2O, the molar quantities of NaBH4 are determined. For a PEM fuel cell operation, the required hydrogen production rates are estimated depending on 60, 65, 70 and 75 g of catalyst used in the NaBH4 solution at 25, 32.5 and 40 degrees C, respectively. It is concluded that the highest rate of hydrogen production per unit area from NaBH4 solution at 40 degrees C is found to be 3.834 x 10(-5) g H-2 s(-1) cm(-2) for 75 g catalyst. Utilizing 80% of this hydrogen production, the maximum amounts of power generation from a PEM fuel cell per unit area at 80 degrees C under 5 atm are estimated as 1.121 W cm(-2) for 0.016 cm by utilizing hydrogen from 75 g catalyst assisted NaBH4 solution at 40 degrees C. (c) 2005 Elsevier B.V. All rights reserved.
dc.identifier.doi10.1016/j.jpowsour.2005.07.083
dc.identifier.endpage113
dc.identifier.issn0378-7753
dc.identifier.issn1873-2755
dc.identifier.issue1
dc.identifier.scopus2-s2.0-33646889979
dc.identifier.scopusqualityQ1
dc.identifier.startpage104
dc.identifier.urihttps://dx.doi.org/10.1016/j.jpowsour.2005.07.083
dc.identifier.urihttps://hdl.handle.net/11480/5508
dc.identifier.volume157
dc.identifier.wosWOS:000238587900012
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherELSEVIER SCIENCE BV
dc.relation.ispartofJOURNAL OF POWER SOURCES
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectsodium tetraborate
dc.subjectsodium borohydride
dc.subjecthydrogen gas
dc.subjectPEM fuel cell
dc.subjectpower generation
dc.titleInvestigation of hydrogen production from boron compounds for PEM fuel cells
dc.typeArticle

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