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권영국

Kwon, Youngkook
Electrochemistry Lab for Energy and Environment
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Metal–organic framework-mediated strategy for enhanced methane production on copper nanoparticles in electrochemical CO 2 reduction

Author(s)
Kim, Mun KyoungKim, Hyeok JooLim, HyungseobKwon, YoungkookJeong, Hyung Mo
Issued Date
2019-05
DOI
10.1016/j.electacta.2019.03.101
URI
https://scholarworks.unist.ac.kr/handle/201301/26523
Fulltext
https://www.sciencedirect.com/science/article/pii/S0013468619305171?via%3Dihub
Citation
ELECTROCHIMICA ACTA, v.306, pp.28 - 34
Abstract
Conversion of carbon dioxide (CO 2 ) to useful chemicals is considered a potential solution to resolve the climate threat. In this study, a facile metal-organic framework (MOF)-mediated strategy to obtain an efficient electrocatalyst for the synthesis of methane (CH 4 ) is suggested. Cu-based MOF-74 was chosen as the precursor, which was electrochemically reduced to obtain Cu nanoparticles (NPs). The porous structure of the MOF serves as a template for the synthesis of isolated Cu NP clusters with high catalytic activities and high efficiencies for the CH 4 production in the electrochemical CO 2 reduction reaction. The MOF-derived Cu NPs demonstrate high Faradaic efficiency (>50%) for the CH 4 production with suppressed C 2 production, and 2.3-fold higher methanation activity at −1.3 V (vs. RHE) compared to the commercial Cu NPs.
Publisher
Elsevier Ltd
ISSN
0013-4686
Keyword (Author)
CO 2 reductionCopper nanoparticlesCopper-based MOFsElectrocatalystsHydrocarbon production
Keyword
Carbon dioxideCatalyst activityCrystalline materialsEfficiencyElectrocatalystsMetal nanoparticlesMethaneOrganometallicsReductionCO2 reductionCopper nanoparticlesCopper-basedCu nano-particlesFaradaic efficienciesHydrocarbon productionMetal organic frameworkMethane productionCopper

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