DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Ji-Yong | ko |
dc.contributor.author | Hong, Deokgi | ko |
dc.contributor.author | Lee, Jae-Chan | ko |
dc.contributor.author | Kim, Hyoung Gyun | ko |
dc.contributor.author | Lee, Sungwoo | ko |
dc.contributor.author | Shin, Sangyong | ko |
dc.contributor.author | Kim, Beomil | ko |
dc.contributor.author | Lee, Hyunjoo | ko |
dc.contributor.author | Kim, Miyoung | ko |
dc.contributor.author | Oh, Jihun | ko |
dc.contributor.author | Lee, Gun-Do | ko |
dc.contributor.author | Nam, Dae-Hyun | ko |
dc.contributor.author | Joo, Young-Chang | ko |
dc.date.accessioned | 2021-07-13T05:30:19Z | - |
dc.date.available | 2021-07-13T05:30:19Z | - |
dc.date.created | 2021-07-13 | - |
dc.date.created | 2021-07-13 | - |
dc.date.created | 2021-07-13 | - |
dc.date.created | 2021-07-13 | - |
dc.date.issued | 2021-06 | - |
dc.identifier.citation | NATURE COMMUNICATIONS, v.12, no.1, pp.3765 | - |
dc.identifier.issn | 2041-1723 | - |
dc.identifier.uri | http://hdl.handle.net/10203/286563 | - |
dc.description.abstract | For steady electroconversion to value-added chemical products with high efficiency, electrocatalyst reconstruction during electrochemical reactions is a critical issue in catalyst design strategies. Here, we report a reconstruction-immunized catalyst system in which Cu nanoparticles are protected by a quasi-graphitic C shell. This C shell epitaxially grew on Cu with quasi-graphitic bonding via a gas-solid reaction governed by the CO (g) - CO2 (g) - C (s) equilibrium. The quasi-graphitic C shell-coated Cu was stable during the CO2 reduction reaction and provided a platform for rational material design. C2+ product selectivity could be additionally improved by doping p-block elements. These elements modulated the electronic structure of the Cu surface and its binding properties, which can affect the intermediate binding and CO dimerization barrier. B-modified Cu attained a 68.1% Faradaic efficiency for C2H4 at -0.55V (vs RHE) and a C2H4 cathodic power conversion efficiency of 44.0%. In the case of N-modified Cu, an improved C2+ selectivity of 82.3% at a partial current density of 329.2mA/cm(2) was acquired. Quasi-graphitic C shells, which enable surface stabilization and inner element doping, can realize stable CO2-to-C2H4 conversion over 180h and allow practical application of electrocatalysts for renewable energy conversion. Surface reconstruction of electrocatalysts is an important issue for electroconversion of carbon dioxide to value-added chemical products. Here the authors address this issue by using copper nanoparticles protected by self-formed quasi graphitic carbon shell for stable CO2 to C2H4 conversion. | - |
dc.language | English | - |
dc.publisher | NATURE RESEARCH | - |
dc.title | Quasi-graphitic carbon shell-induced Cu confinement promotes electrocatalytic CO2 reduction toward C2+ products | - |
dc.type | Article | - |
dc.identifier.wosid | 000667248200001 | - |
dc.identifier.scopusid | 2-s2.0-85108824204 | - |
dc.type.rims | ART | - |
dc.citation.volume | 12 | - |
dc.citation.issue | 1 | - |
dc.citation.beginningpage | 3765 | - |
dc.citation.publicationname | NATURE COMMUNICATIONS | - |
dc.identifier.doi | 10.1038/s41467-021-24105-9 | - |
dc.contributor.localauthor | Lee, Hyunjoo | - |
dc.contributor.localauthor | Oh, Jihun | - |
dc.contributor.nonIdAuthor | Kim, Ji-Yong | - |
dc.contributor.nonIdAuthor | Hong, Deokgi | - |
dc.contributor.nonIdAuthor | Lee, Jae-Chan | - |
dc.contributor.nonIdAuthor | Kim, Hyoung Gyun | - |
dc.contributor.nonIdAuthor | Lee, Sungwoo | - |
dc.contributor.nonIdAuthor | Kim, Miyoung | - |
dc.contributor.nonIdAuthor | Lee, Gun-Do | - |
dc.contributor.nonIdAuthor | Nam, Dae-Hyun | - |
dc.contributor.nonIdAuthor | Joo, Young-Chang | - |
dc.description.isOpenAccess | Y | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | TOTAL-ENERGY CALCULATIONS | - |
dc.subject.keywordPlus | ELECTROREDUCTION | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | CHALLENGES | - |
dc.subject.keywordPlus | COVERAGE | - |
dc.subject.keywordPlus | ETHYLENE | - |
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