Models of the electroreduction of passive layers on cobalt

Detalhes bibliográficos
Autor(a) principal: Gervasi,C.A.
Data de Publicação: 1997
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Journal of the Brazilian Chemical Society (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50531997000200015
Resumo: Potentiostatic current transient techniques were employed to study the electroreduction process of surface layers formed on polycrystalline cobalt in carbonate-bicarbonate ion-containing solutions. The dynamic system analysis performed using parametric identification procedures and non-linear fit routines demonstrated that data obtained under a wide variety of experimental conditions may be interpreted by taking into account the participation of various Co(II)/Co(III)-containing surface species. The influence of the anodizing time at the potential of oxide film formation may be discussed on the basis of the proposed electroreduction models.
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spelling Models of the electroreduction of passive layers on cobaltCobalt oxideselectroreductionpotential stepskinetic modelsPotentiostatic current transient techniques were employed to study the electroreduction process of surface layers formed on polycrystalline cobalt in carbonate-bicarbonate ion-containing solutions. The dynamic system analysis performed using parametric identification procedures and non-linear fit routines demonstrated that data obtained under a wide variety of experimental conditions may be interpreted by taking into account the participation of various Co(II)/Co(III)-containing surface species. The influence of the anodizing time at the potential of oxide film formation may be discussed on the basis of the proposed electroreduction models.Sociedade Brasileira de Química1997-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50531997000200015Journal of the Brazilian Chemical Society v.8 n.2 1997reponame:Journal of the Brazilian Chemical Society (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0103-50531997000200015info:eu-repo/semantics/openAccessGervasi,C.A.eng2012-10-30T00:00:00Zoai:scielo:S0103-50531997000200015Revistahttp://jbcs.sbq.org.brONGhttps://old.scielo.br/oai/scielo-oai.php||office@jbcs.sbq.org.br1678-47900103-5053opendoar:2012-10-30T00:00Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Models of the electroreduction of passive layers on cobalt
title Models of the electroreduction of passive layers on cobalt
spellingShingle Models of the electroreduction of passive layers on cobalt
Gervasi,C.A.
Cobalt oxides
electroreduction
potential steps
kinetic models
title_short Models of the electroreduction of passive layers on cobalt
title_full Models of the electroreduction of passive layers on cobalt
title_fullStr Models of the electroreduction of passive layers on cobalt
title_full_unstemmed Models of the electroreduction of passive layers on cobalt
title_sort Models of the electroreduction of passive layers on cobalt
author Gervasi,C.A.
author_facet Gervasi,C.A.
author_role author
dc.contributor.author.fl_str_mv Gervasi,C.A.
dc.subject.por.fl_str_mv Cobalt oxides
electroreduction
potential steps
kinetic models
topic Cobalt oxides
electroreduction
potential steps
kinetic models
description Potentiostatic current transient techniques were employed to study the electroreduction process of surface layers formed on polycrystalline cobalt in carbonate-bicarbonate ion-containing solutions. The dynamic system analysis performed using parametric identification procedures and non-linear fit routines demonstrated that data obtained under a wide variety of experimental conditions may be interpreted by taking into account the participation of various Co(II)/Co(III)-containing surface species. The influence of the anodizing time at the potential of oxide film formation may be discussed on the basis of the proposed electroreduction models.
publishDate 1997
dc.date.none.fl_str_mv 1997-01-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50531997000200015
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50531997000200015
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0103-50531997000200015
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Journal of the Brazilian Chemical Society v.8 n.2 1997
reponame:Journal of the Brazilian Chemical Society (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Journal of the Brazilian Chemical Society (Online)
collection Journal of the Brazilian Chemical Society (Online)
repository.name.fl_str_mv Journal of the Brazilian Chemical Society (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv ||office@jbcs.sbq.org.br
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