Coffee Waste-Derived Hierarchical Porous Carbon as a Highly Active and Durable Electrocatalyst for Electrochemical Energy Applications

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dc.contributor.authorChung, Dong Youngko
dc.contributor.authorSon, Yoon Junko
dc.contributor.authorYoo, Ji Munko
dc.contributor.authorKang, Jin Sooko
dc.contributor.authorAhn, Chi-Yeongko
dc.contributor.authorPark, Subinko
dc.contributor.authorSung, Yung-Eunko
dc.date.accessioned2022-07-04T08:00:48Z-
dc.date.available2022-07-04T08:00:48Z-
dc.date.created2022-07-04-
dc.date.issued2017-11-
dc.identifier.citationACS APPLIED MATERIALS & INTERFACES, v.9, no.47, pp.41303 - 41313-
dc.identifier.issn1944-8244-
dc.identifier.urihttp://hdl.handle.net/10203/297198-
dc.description.abstractNitrogen-doped porous carbon materials have been highlighted as promising alternatives to high-cost platinum in various electrochemical energy applications. However, protocols to generate effective pore structure are still challenging, which hampers mass production and utilization of carbon materials. Here, we suggest a facile and effective method for hierarchical porous carbon by a single-step carbonization of coffee waste (CW) with ZnCl2. The CW, which is one of the most earth-abundant organic waste, can be successfully converted to nitrogen-doped porous carbon. It shows outstanding oxygen reduction activity and durability comparable to the state-of-the-art platinum, and the half-wave potential is also comparable to the best metal-free electrocatalysts in alkaline media. Finally, we apply it to counter electrode of dye-sensitized solar cell, whose photovoltaic efficiency surpasses the one made with conventional platinum electrode. We demonstrate the feasibility of our strategies for highly efficient, cheap, and environment-friendly electrocatalyst to replace platinum in various electrochemical energy applications.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleCoffee Waste-Derived Hierarchical Porous Carbon as a Highly Active and Durable Electrocatalyst for Electrochemical Energy Applications-
dc.typeArticle-
dc.identifier.wosid000417005900025-
dc.identifier.scopusid2-s2.0-85036476298-
dc.type.rimsART-
dc.citation.volume9-
dc.citation.issue47-
dc.citation.beginningpage41303-
dc.citation.endingpage41313-
dc.citation.publicationnameACS APPLIED MATERIALS & INTERFACES-
dc.identifier.doi10.1021/acsami.7b13799-
dc.contributor.localauthorChung, Dong Young-
dc.contributor.nonIdAuthorSon, Yoon Jun-
dc.contributor.nonIdAuthorYoo, Ji Mun-
dc.contributor.nonIdAuthorKang, Jin Soo-
dc.contributor.nonIdAuthorAhn, Chi-Yeong-
dc.contributor.nonIdAuthorPark, Subin-
dc.contributor.nonIdAuthorSung, Yung-Eun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthornitrogen-doped carbon-
dc.subject.keywordAuthorcoffee waste-
dc.subject.keywordAuthorhierarchical porous structure-
dc.subject.keywordAuthoroxygen reduction reaction-
dc.subject.keywordAuthordye-sensitized solar cell-
dc.subject.keywordPlusOXYGEN REDUCTION REACTION-
dc.subject.keywordPlusNITROGEN-DOPED GRAPHENE-
dc.subject.keywordPlusMETAL-FREE ELECTROCATALYSTS-
dc.subject.keywordPlusSENSITIZED SOLAR-CELLS-
dc.subject.keywordPlusCHEMICAL ACTIVATION-
dc.subject.keywordPlusCOUNTER ELECTRODE-
dc.subject.keywordPlusEFFICIENT-
dc.subject.keywordPlusSITES-
dc.subject.keywordPlusCATALYSTS-
dc.subject.keywordPlusGROUNDS-
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CBE-Journal Papers(저널논문)
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