Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/1337
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dc.contributor.authorGojgić, Jelena D.en_US
dc.contributor.authorPetričević, Aleksandar M.en_US
dc.contributor.authorRauscher, Thomasen_US
dc.contributor.authorBernäcker, Christian I.en_US
dc.contributor.authorWeißgärber, Thomasen_US
dc.contributor.authorPavko, Lukaen_US
dc.contributor.authorVasilić, Rastkoen_US
dc.contributor.authorKrstajić Pajić, Mila N.en_US
dc.contributor.authorJović, Vladimir D.en_US
dc.date.accessioned2023-10-02T14:30:45Z-
dc.date.available2023-10-02T14:30:45Z-
dc.date.issued2023-08-05-
dc.identifier.issn0926860X-
dc.identifier.urihttps://physrep.ff.bg.ac.rs/handle/123456789/1337-
dc.description.abstractThe hydrogen evolution reaction (HER) was investigated in 1.0 M KOH at 25 °C at Ni foams with different pore sizes (450–1200 µm), and at the Ni-Sn/Ni foam electrodes, where Ni-Sn alloys were electrodeposited from the pyrophosphate-glycine bath using controlled potential coulometry (CPC) technique. The cross-section analysis revealed that rough Ni-Sn alloy covers complete available inner and outer foam surface, while investigated coating composition varied from 62 to 80 at% Ni (20–38 at% Sn). Comparing the HER polarization curves, the overpotential at j = −200 mA cm−2 was 427 mV lower for Ni-Sn samples than for bare Ni foams, while Tafel slopes changed from − 120 mV dec−1 at bare Ni foams to − 50 mV dec−1 for Ni-Sn/Ni foam samples. The lowest overpotential at − 100 mA cm−2 achieved is as low as − 77 mV. These cathodes could be promising 3D materials for industrial water electrolysis in zero-gap membrane flow cells.en_US
dc.relation.ispartofApplied Catalysis A: Generalen_US
dc.subject3D electrodesen_US
dc.subjectAlkaline water electrolysisen_US
dc.subjectElectrodepositionen_US
dc.subjectNi-Sn alloysen_US
dc.subjectPorous substratesen_US
dc.titleHydrogen evolution at Ni foam electrodes and Ni-Sn coated Ni foam electrodesen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.apcata.2023.119312-
dc.identifier.scopus2-s2.0-85164307686-
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/85164307686-
dc.relation.volume663en_US
item.openairetypeArticle-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
crisitem.author.orcid0000-0003-2476-7516-
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