DC Field | Value | Language |
---|---|---|
dc.contributor.author | Scibioh, M. Aulice | ko |
dc.contributor.author | Kim, Soo-Kil | ko |
dc.contributor.author | Cho, Eun Ae | ko |
dc.contributor.author | Lim, Tae-Hoon | ko |
dc.contributor.author | Hong, Seong-Ahn | ko |
dc.contributor.author | Ha, Heung Yong | ko |
dc.date.accessioned | 2014-12-16T01:28:56Z | - |
dc.date.available | 2014-12-16T01:28:56Z | - |
dc.date.created | 2014-10-28 | - |
dc.date.created | 2014-10-28 | - |
dc.date.issued | 2008-12 | - |
dc.identifier.citation | APPLIED CATALYSIS B-ENVIRONMENTAL, v.84, no.3-4, pp.773 - 782 | - |
dc.identifier.issn | 0926-3373 | - |
dc.identifier.uri | http://hdl.handle.net/10203/192892 | - |
dc.description.abstract | In order to develop a cheaper and durable catalyst for methanol electrooxidation reaction, ceria (CeO(2)) as a co-catalytic material with Pt on carbon was investigated with an aim of replacing Ru in PtRu/C which is considered as prominent anode catalyst till date. A series of Pt-CeO(2)/C catalysts with various compositions of ceria, viz. 40 wt% Pt-3-12 wt% CeO(2)/C and PtRu/C were synthesized by wet impregnation method. Electrocatalytic activities of these catalysts for methanol oxidation were examined by cyclic voltammetry and chronoamperometry techniques and it is found that 40 wt% Pt-9 wt% CeO(2)/C catalyst exhibited a better activity and stability than did the unmodified Pt/C catalyst. Hence, we explore the possibility of employing Pt-CeO(2) as an electrocatalyst for methanol oxidation. The physicochemical characterizations of the catalysts were carried out by using Brunauer Emmett Teller (BET) surface area and pore size distribution (PSD) measurements. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) techniques. A tentative mechanism is proposed for a possible role of ceria as a co-catalyst in Pt/C system for methanol electrooxidation. | - |
dc.language | English | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.subject | PT-RU ALLOYS | - |
dc.subject | PLATINUM-RUTHENIUM | - |
dc.subject | ELECTROCATALYTIC OXIDATION | - |
dc.subject | ELECTROCHEMICAL IMPEDANCE | - |
dc.subject | SURFACE OXIDATION | - |
dc.subject | ACID ELECTROLYTE | - |
dc.subject | CARBON-MONOXIDE | - |
dc.subject | SULFURIC-ACID | - |
dc.subject | CO OXIDATION | - |
dc.subject | ELECTROOXIDATION | - |
dc.title | Pt-CeO(2)/C anode catalyst for direct methanol fuel cells | - |
dc.type | Article | - |
dc.identifier.wosid | 000261123600056 | - |
dc.identifier.scopusid | 2-s2.0-53949102691 | - |
dc.type.rims | ART | - |
dc.citation.volume | 84 | - |
dc.citation.issue | 3-4 | - |
dc.citation.beginningpage | 773 | - |
dc.citation.endingpage | 782 | - |
dc.citation.publicationname | APPLIED CATALYSIS B-ENVIRONMENTAL | - |
dc.identifier.doi | 10.1016/j.apcatb.2008.06.017 | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Cho, Eun Ae | - |
dc.contributor.nonIdAuthor | Scibioh, M. Aulice | - |
dc.contributor.nonIdAuthor | Kim, Soo-Kil | - |
dc.contributor.nonIdAuthor | Lim, Tae-Hoon | - |
dc.contributor.nonIdAuthor | Hong, Seong-Ahn | - |
dc.contributor.nonIdAuthor | Ha, Heung Yong | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | CeO(2)-modified Pt/C catalyst | - |
dc.subject.keywordAuthor | Cyclic voltammetry | - |
dc.subject.keywordAuthor | Methanol oxidation | - |
dc.subject.keywordAuthor | Direct methanol fuel cell | - |
dc.subject.keywordPlus | PT-RU ALLOYS | - |
dc.subject.keywordPlus | PLATINUM-RUTHENIUM | - |
dc.subject.keywordPlus | ELECTROCATALYTIC OXIDATION | - |
dc.subject.keywordPlus | ELECTROCHEMICAL IMPEDANCE | - |
dc.subject.keywordPlus | SURFACE OXIDATION | - |
dc.subject.keywordPlus | ACID ELECTROLYTE | - |
dc.subject.keywordPlus | CARBON-MONOXIDE | - |
dc.subject.keywordPlus | SULFURIC-ACID | - |
dc.subject.keywordPlus | CO OXIDATION | - |
dc.subject.keywordPlus | ELECTROOXIDATION | - |
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