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DC Field | Value | Language |
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dc.citation.endPage | 1428 | - |
dc.citation.number | 2 | - |
dc.citation.startPage | 1423 | - |
dc.citation.title | ACS APPLIED ENERGY MATERIALS | - |
dc.citation.volume | 3 | - |
dc.contributor.author | Kim, Jun-Hyuk | - |
dc.contributor.author | Yun, Su-Won | - |
dc.contributor.author | Shim, Kyubin | - |
dc.contributor.author | You, Sang-Hoon | - |
dc.contributor.author | Jung, Sang-Mun | - |
dc.contributor.author | Kweon, Hyojin | - |
dc.contributor.author | Joo, Sang Hoon | - |
dc.contributor.author | Moon, Young Hoon | - |
dc.contributor.author | Kim, Yong-Tae | - |
dc.date.accessioned | 2023-12-21T18:06:47Z | - |
dc.date.available | 2023-12-21T18:06:47Z | - |
dc.date.created | 2020-04-14 | - |
dc.date.issued | 2020-02 | - |
dc.description.abstract | The unitized regenerative fuel cell (URFC) is a useful electrochemical energy conversion/storage device, in which catalysts for the dual-function (oxygen reduction reaction, ORR, and oxygen evolution reaction, OER) electrodes of URFCs must be operative over a wide range of potentials. Herein, we report a highly active and stable bifunctional electrocatalyst, a three-dimensionally interconnected nanoporous PtIr thin film (np-PtIr) for URFC, which was prepared by an electrochemical selective leaching of a less noble element, Os. The np-PtIr showed a much enhanced URFC performance, such as an about 21% and 485% higher round-trip efficiency than that of sole Pt and Ir, respectively, and much enhanced stability confirmed with the ICP-OES analyses. It was revealed from various electrochemical tests and XPS studies that the enhanced URFC performance of np-PtIr resulted from a significantly increased surface area due to the formation of a three-dimensionally interconnected nanoporous structure, as well as a minimization of the ohmic loss due to an inner metallic conduction paths. | - |
dc.identifier.bibliographicCitation | ACS APPLIED ENERGY MATERIALS, v.3, no.2, pp.1423 - 1428 | - |
dc.identifier.doi | 10.1021/acsaem.9b01874 | - |
dc.identifier.issn | 2574-0962 | - |
dc.identifier.scopusid | 2-s2.0-85078997807 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/31975 | - |
dc.identifier.url | https://pubs.acs.org/doi/10.1021/acsaem.9b01874 | - |
dc.identifier.wosid | 000516665300022 | - |
dc.language | 영어 | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.title | Enhanced Activity and Stability of Nanoporous Ptlr Electrocatalysts for Unitized Regenerative Fuel Cell | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical; Energy & Fuels; Materials Science, Multidisciplinary | - |
dc.relation.journalResearchArea | Chemistry; Energy & Fuels; Materials Science | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | unitized regenerative fuel cell | - |
dc.subject.keywordAuthor | nanoporous structure | - |
dc.subject.keywordAuthor | platinum | - |
dc.subject.keywordAuthor | iridium | - |
dc.subject.keywordAuthor | round-trip efficiency | - |
dc.subject.keywordPlus | OXYGEN EVOLUTION REACTIONS | - |
dc.subject.keywordPlus | BIFUNCTIONAL ELECTROCATALYSTS | - |
dc.subject.keywordPlus | COMPOSITE ELECTRODE | - |
dc.subject.keywordPlus | REDUCTION | - |
dc.subject.keywordPlus | PERFORMANCE | - |
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