Charge state modulation in metal-organic framework-based porous cobalt-incorporated nickel sulfide for efficient hydrogen evolution in anion exchange membrane water electrolyzer
DC Field | Value | Language |
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dc.contributor.author | Choi, Hyeonggeun | - |
dc.contributor.author | Jo, Seunghwan | - |
dc.contributor.author | Lim, Heeyoung | - |
dc.contributor.author | Lee, Young-Woo | - |
dc.contributor.author | Sohn, Jung Inn | - |
dc.date.accessioned | 2024-06-11T08:30:33Z | - |
dc.date.available | 2024-06-11T08:30:33Z | - |
dc.date.issued | 2024-03 | - |
dc.identifier.issn | 2468-0230 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/26237 | - |
dc.description.abstract | For practical water electrolysis-based hydrogen production, the development of efficient electrocatalysts based on earth-abundant materials is highly desirable. Herein, metal-organic framework (MOF) derived Coincorporated nickel sulfide (MD-Co/NiS2) is demonstrated as a promising hydrogen evolution reaction (HER) electrocatalyst in an anion exchange membrane water electrolyzer (AEMWE). The MD-Co/NiS2 exhibits a porous structure packed with numerous nanoparticles while maintaining the primary spherical morphology of the MOF, resulting in a large surface area with enhanced porosity. Furthermore, the reaction kinetics is enhanced by alleviating the charge polarization of Ni and S after Co incorporation. Owing to the integrated benefits of the geometrical and chemical structures, MD-Co/NiS2 requires a low overpotential of 117 mV with long-term stability for 50 h at a current density of 10 mA cm-2 in 1 M KOH. Moreover, AEMWE using MD-Co/NiS2 as a cathode catalyst requires a low cell voltage of 1.97 V at a high current density of 1 A cm � 2, comparable to that of commercial Pt/C (2.01 V) and maintains cell performance for 50 h with a small potential increase of 55 mV. | - |
dc.language | 영어 | - |
dc.language.iso | ENG | - |
dc.publisher | ELSEVIER | - |
dc.title | Charge state modulation in metal-organic framework-based porous cobalt-incorporated nickel sulfide for efficient hydrogen evolution in anion exchange membrane water electrolyzer | - |
dc.type | Article | - |
dc.publisher.location | 네델란드 | - |
dc.identifier.doi | 10.1016/j.surfin.2024.103987 | - |
dc.identifier.scopusid | 2-s2.0-85184018449 | - |
dc.identifier.wosid | 001178345700001 | - |
dc.identifier.bibliographicCitation | SURFACES AND INTERFACES, v.46 | - |
dc.citation.title | SURFACES AND INTERFACES | - |
dc.citation.volume | 46 | - |
dc.type.docType | Article | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalResearchArea | Physics | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Coatings & Films | - |
dc.relation.journalWebOfScienceCategory | Physics, Applied | - |
dc.relation.journalWebOfScienceCategory | Physics, Condensed Matter | - |
dc.subject.keywordPlus | ELECTROCATALYSTS | - |
dc.subject.keywordAuthor | Metal-organic framework | - |
dc.subject.keywordAuthor | Transition metal chalcogenides | - |
dc.subject.keywordAuthor | Charge delocalization | - |
dc.subject.keywordAuthor | Hydrogen evolution reaction | - |
dc.subject.keywordAuthor | Anion exchange membrane water electrolyzer | - |
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