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Effect of Aqueous Electrolyte on the Reconstruction of Metal-organic Frameworks during CO2 Electroreduction
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dc.contributor.advisor 김찬연 -
dc.contributor.author Jungsu Eo -
dc.date.accessioned 2025-02-28T21:02:07Z -
dc.date.available 2025-02-28T21:02:07Z -
dc.date.issued 2025 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/58039 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000845182 -
dc.description Carbon dioxide electroreduction, Metal-organic frameworks, Reconstruction, Catalytic active site -
dc.description.tableofcontents List of Contents
Abstract i
List of Contents ii
List of Tables ⅳ
List of Figures v

Ⅰ. Introduction
1.1 Electrochemical CO2 Reduction Reaction 1
1.2 Cu-based Electrocatalyst for CO2RR 6
1.3 Metal-organic Frameworks 8
1.3.1 Utility of Metal-organic Frameworks as Electrochemical Catalysts 8
1.3.2 Water Stability of Metal-organic Frameworks 10
1.4 Reconstruction of Catalyst in CO2RR 14
1.4.1 Reconstruction of Metal-based Catalyst 14
1.4.2 Reconstruction of MOFs in CO2RR 15
1.5 Research Motivation and Strategy 17

Ⅱ. Theoretical Background
2.1 Electrochemical Reaction 19
2.2 Mechanisms of CO2 Reduction 20
2.3 Performance Evaluation Indicators of CO2 Reduction Catalyst 22
2.4 CO2RR Electrolyzer and Electrode 23
2.5 Electrolytes in CO2RR 26
2.6 Chemical State Transformation of Cu in Aqueous Electrolyte 27

Ⅲ. Experimental
3.1 Synthesis of Cu-BDC and Cu-MOF-74 32
3.2 Material Characterization 33
3.3 Electrode Preparation 34
3.4 Evaluation of CO2 Reduction Performance 35

Ⅳ. Results and Discussion
4.1 Mechanisms of Structural Change Depending on the Degree of Hydrophobicity of the MOF and the Electrolyte Environment 37
4.1.1 Cu-based MOFs Characterization 41
4.1.2 Analysis of the MOFs Structural Change as the pH of the Electrolytes 44
4.2 Variation of CO2RR Selectivity with the Degradation Behavior of MOFs 52
4.3 Identify the Cause of Variation in CO2RR Selectivity due to Different Reconstructions in MOFs 60

V. Conclusion 68

VI. Reference 71

요약문 76
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dc.format.extent 78 -
dc.language eng -
dc.publisher DGIST -
dc.title Effect of Aqueous Electrolyte on the Reconstruction of Metal-organic Frameworks during CO2 Electroreduction -
dc.title.alternative 전기화학적 CO2 환원 중 수용성 전해질이 금속-유기 골격 촉매의 재구성에 미치는 영향에 관한 연구 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000845182 -
dc.description.degree Master -
dc.contributor.department Department of Energy Science and Engineering -
dc.identifier.bibliographicCitation Jungsu Eo. (2025). Effect of Aqueous Electrolyte on the Reconstruction of Metal-organic Frameworks during CO2 Electroreduction. doi: 10.22677/THESIS.200000845182 -
dc.contributor.coadvisor Dae-Hyun Nam -
dc.date.awarded 2025-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.EM 어76 202502 -
dc.date.accepted 2025-01-20 -
dc.contributor.alternativeDepartment 에너지공학과 -
dc.subject.keyword Carbon dioxide electroreduction, Metal-organic frameworks, Reconstruction, Catalytic active site -
dc.contributor.affiliatedAuthor Jungsu Eo -
dc.contributor.affiliatedAuthor Chanyeon Kim -
dc.contributor.affiliatedAuthor Dae-Hyun Nam -
dc.contributor.alternativeName 어중수 -
dc.contributor.alternativeName Chanyeon Kim -
dc.contributor.alternativeName 남대현 -
dc.rights.embargoReleaseDate 2030-02-28 -
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