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New insights on the influence of aluminum on the anomalous hydrogen evolution of anodized magnesium using scanning electrochemical microscopy. D. Filotás, L. Nagy, G. Nagy, R.M. Souto.
| dc.contributor.author | Souto, Ricardo Manuel | |
| dc.contributor.author | Filotás, Dániel | |
| dc.contributor.author | Nagy, Lívia | |
| dc.contributor.author | Nagy, Géza | |
| dc.contributor.other | Química | |
| dc.contributor.other | Proyecto CTQ2018-80522-P Grupo de Electroquímica y Corrosión, Instituto de Materiales y Nanotecnología | |
| dc.date | 2021 | |
| dc.date.accessioned | 2021-08-25T11:25:23Z | |
| dc.date.available | 2021-08-25T11:25:23Z | |
| dc.identifier.uri | http://riull.ull.es/xmlui/handle/915/25212 | |
| dc.description.abstract | Scanning electrochemical microscopy (SECM) in the sample generation-tip collection mode was employed to gain new insights on the effect of aluminum on the anomalous hydrogen evolution from anodically-polarized magnesium exposed to an aqueous saline solution. Various experiments were designed to investigate the processes occurring on a model Mg-Al galvanic pair in regards to the hydrogen evolution reaction occurring separately at the anodic and cathodic sites. The data obtained in this work do not support the so-called noble impurity theory for HER on anodically-polarized magnesium, whereas evidences were obtained that the dark oxy-hydroxide layer formed on this metal may exert a combined catalytic efficiency toward HER whereas imperfectly passivating the metal surface. | en |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | en | |
| dc.relation.ispartofseries | Electrochimica Acta, 391 (2021) | |
| dc.rights | Licencia Creative Commons (Reconocimiento-No comercial-Sin obras derivadas 4.0 Internacional) | |
| dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es_ES | |
| dc.title | New insights on the influence of aluminum on the anomalous hydrogen evolution of anodized magnesium using scanning electrochemical microscopy. D. Filotás, L. Nagy, G. Nagy, R.M. Souto. | en |
| dc.type | info:eu-repo/semantics/article | |
| dc.identifier.doi | https://doi.org.10.1016/j.electacta.2021.138915 | |
| dc.subject.keyword | corrosion | en |
| dc.subject.keyword | magnesium | en |
| dc.subject.keyword | anodic polarization | en |
| dc.subject.keyword | anomalous hydrogen evolution | en |
| dc.subject.keyword | scanning electrochemical microscopy | en |
| dc.subject.keyword | model Mg-Al galvanic couple | en |
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