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dc.contributor.author오형석-
dc.contributor.author오종길-
dc.contributor.author노범욱-
dc.contributor.author황인철-
dc.contributor.author김한성-
dc.date.accessioned2021-06-09T04:19:24Z-
dc.date.available2021-06-09T04:19:24Z-
dc.date.issued2011-08-
dc.identifier.citationVOL 13, NO 8-881-
dc.identifier.issn1388-2481-
dc.identifier.other50114-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/67021-
dc.description.abstractNitrogen-modified carbon nanofibers to be used as catalysts in the oxygen reduction reaction (ORR) were synthesized by pyrolysis in the presence of cobalt with PPy and a chelating agent, such as ethylenediamine (ED). It has been found that the type of nitrogen source has a remarkable impact on the catalytic activity and stability of ORR catalysts. XPS and elemental analysis indicated that the combination of ED and PPy as nitrogen sources provided a synergistic effect toward increasing the total nitrogen content of the catalysts and the content of useful nitrogen functional groups such as pyridinic-N and graphitic-N that are responsible for high ORR activity and stability in acidic environments.-
dc.publisherElectrochemistry communications-
dc.subjectNon-precious catalysts-
dc.subjectPolypyrrole-
dc.subjectChelate-
dc.subjectEthylenediamine-
dc.subjectOxygen reduction reaction-
dc.subjectPEM fuel cell-
dc.titleDevelopment of highly active and stable non-precious oxygen reduction catalysts for PEM fuel cells using polypyrrole and a chelating agent-
dc.typeArticle-
dc.relation.page879881-
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