BROWSE

Related Scientist

nanomat's photo.

nanomat
나노입자연구단
more info

ITEM VIEW & DOWNLOAD

Understanding the Bifunctional Effect for Removal of CO Poisoning: Blend of a Platinum Nanocatalyst and Hydrous Ruthenium Oxide as a Model System

DC Field Value Language
dc.contributor.authorMyeong Jae Lee-
dc.contributor.authorJin Soo Kang-
dc.contributor.authorYun Sik Kang-
dc.contributor.authorDong Young Chung-
dc.contributor.authorHeejong Shin-
dc.contributor.authorChi-Yeong Ahn-
dc.contributor.authorSubin Park-
dc.contributor.authorMi-Ju Kim-
dc.contributor.authorSungjun Kim-
dc.contributor.authorLee K.-S.-
dc.contributor.authorYung-Eun Sung-
dc.date.available2016-07-19T07:40:07Z-
dc.date.created2016-05-17-
dc.date.issued2016-04-
dc.identifier.issn2155-5435-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/2678-
dc.description.abstractCO poisoning of Pt catalysts is one of the most critical problems that deteriorate the electrocatalytic oxidation and reduction reactions taking place in fuel cells. In general, enhancing CO oxidation properties of catalysts by tailoring the electronic structure of Pt (electronic effect) or increasing the amount of supplied oxygen species (bifunctional effect), which is the typical reactant for CO oxidation, has been performed to remove CO from the Pt surface. However, though there have been a few reports about the understanding of the electronic effect for rapid CO oxidation, a separate understanding of bifunctional modification is yet to be achieved. Herein, we report experimental investigations of CO oxidation in the absence of electronic effect and an extended concept of the bifunctional effect. A model system was prepared by blending conventional Pt/C catalysts with hydrous ruthenium oxide particles, and the CO oxidation behaviors were investigated by various electrochemical measurements, including CO stripping and bulk oxidation. In addition, this system allowed the observation of CO removal by the Eley-Rideal mechanism at high CO coverages, which facilitates further CO oxidation by triggering the CO removal by the Langmuir-Hinshelwood mechanism. Furthermore, effective CO management by this approach in practical applications was also verified by single-cell analysis. © 2016 American Chemical Society-
dc.description.uri1-
dc.language영어-
dc.publisherAMER CHEMICAL SOC-
dc.subjectbifunctional effect-
dc.subjectCO oxidation-
dc.subjectEley-Rideal mechanism-
dc.subjectfuel cell-
dc.subjecthydrous ruthenium oxide-
dc.titleUnderstanding the Bifunctional Effect for Removal of CO Poisoning: Blend of a Platinum Nanocatalyst and Hydrous Ruthenium Oxide as a Model System-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000373524400030-
dc.identifier.scopusid2-s2.0-84963628509-
dc.identifier.rimsid55481ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorMyeong Jae Lee-
dc.contributor.affiliatedAuthorJin Soo Kang-
dc.contributor.affiliatedAuthorYun Sik Kang-
dc.contributor.affiliatedAuthorDong Young Chung-
dc.contributor.affiliatedAuthorHeejong Shin-
dc.contributor.affiliatedAuthorChi-Yeong Ahn-
dc.contributor.affiliatedAuthorSubin Park-
dc.contributor.affiliatedAuthorMi-Ju Kim-
dc.contributor.affiliatedAuthorSungjun Kim-
dc.contributor.affiliatedAuthorYung-Eun Sung-
dc.identifier.doi10.1021/acscatal.5b02580-
dc.identifier.bibliographicCitationACS CATALYSIS, v.6, no.4, pp.2398 - 2407-
dc.citation.titleACS CATALYSIS-
dc.citation.volume6-
dc.citation.number4-
dc.citation.startPage2398-
dc.citation.endPage2407-
dc.date.scptcdate2018-10-01-
dc.description.wostc21-
dc.description.scptc23-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthorbifunctional effect-
dc.subject.keywordAuthorCO oxidation-
dc.subject.keywordAuthorEley-Rideal mechanism-
dc.subject.keywordAuthorfuel cell-
dc.subject.keywordAuthorhydrous ruthenium oxide-
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
Files in This Item:
22 ACSCatalysis(Understanding the Bifunctional Effect).pdfDownload

qrcode

  • facebook

    twitter

  • Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.
해당 아이템을 이메일로 공유하기 원하시면 인증을 거치시기 바랍니다.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse