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  Department of Energy Science and Engineering Theses Master

Ensemble of Cu Coordination Structures during Electrolysis for Efficient CO₂ Electroreduction

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dc.contributor.advisor 최종민 -
dc.contributor.author Hyeon-il Jeong -
dc.date.accessioned 2026-01-23T10:55:54Z -
dc.date.available 2026-01-23T10:55:54Z -
dc.date.issued 2026 -
dc.identifier.uri https://scholar.dgist.ac.kr/handle/20.500.11750/59691 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000950055 -
dc.description 전기화학적 이산화탄소 환원 반응, 단일원자촉매, 구리 배위환경, 재건 현상 -
dc.description.tableofcontents List of Contents
Abstract i
List of contents iii
List of tables v
List of figures vi

Ⅰ. Introduction
1.1 Electrochemical CO₂ Reduction Reaction 1
1.2 Cu-based Single Atom Catalysts 4
1.3 Copper Cyanmides 11

Ⅱ. Theoretical Background
2.1 Electrochemical Reaction 14
2.2 Mechanisms of CO₂RR 14
2.3 Performance Evaluation Indicators of CO₂ Reduction Catalyst 17
2.4 Development of CO₂RR Electrolyzer and Electrode 18
2.5 Electrolytes in CO₂RR 21


Ⅲ. Experimental
3.1 Synthesis of Cu₂NCN and CuNCN 24
3.2 Material Characterization 26
3.3 Electrode Preparation 27
3.4 Evaluation of CO₂ Reduction Performance 28


Ⅳ. Results and Discussion
4.1 Structural Characterization of Copper Cyanamides 30
4.2 Reconstruction-Drived CO₂RR Selectivity Variation at Alkaline Condition 34
4.3 Reconstruction-Drived CO₂RR Selectivity Variation at Acidic Condition 55
4.4 Ensemble of Cu Coordination Ensemble for Optimal C₂₊ Production 69


V. Conclusion 77

VI. Reference 79

요약문 86		 -
dc.format.extent 87 -
dc.language eng -
dc.publisher DGIST -
dc.title Ensemble of Cu Coordination Structures during Electrolysis for Efficient CO₂ Electroreduction -
dc.title.alternative 전기분해 과정에서의 구리 배위 구조 앙상블을 통한 효율적인 이산화탄소 전기환원 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000950055 -
dc.description.degree Master -
dc.contributor.department Department of Energy Science and Engineering -
dc.contributor.coadvisor Dae-Hyun Nam -
dc.date.awarded 2026-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.EM 정94 202602 -
dc.date.accepted 2026-01-19 -
dc.contributor.alternativeDepartment 에너지공학과 -
dc.subject.keyword 전기화학적 이산화탄소 환원 반응, 단일원자촉매, 구리 배위환경, 재건 현상 -
dc.contributor.affiliatedAuthor Hyeon-il Jeong -
dc.contributor.affiliatedAuthor Jongmin Choi -
dc.contributor.affiliatedAuthor Dae-Hyun Nam -
dc.contributor.alternativeName 정현일 -
dc.contributor.alternativeName Jongmin Choi -
dc.contributor.alternativeName 남대현 -
dc.rights.embargoReleaseDate 2030-02-28 -
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