Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.advisor | 이호춘 | - |
| dc.contributor.author | Minsang Jo | - |
| dc.date.accessioned | 2023-09-18T21:00:44Z | - |
| dc.date.available | 2023-09-18T21:00:44Z | - |
| dc.date.issued | 2023 | - |
| dc.identifier.uri | http://hdl.handle.net/20.500.11750/46400 | - |
| dc.identifier.uri | http://dgist.dcollection.net/common/orgView/200000688104 | - |
| dc.description | Li-ion batteries; Electrolyte additives; Graphite-silicon anodes; SEI layer; Surface properties | - |
| dc.description.tableofcontents | Ⅰ. INTRODUCTION 1 Ⅱ. THEORY 8 2.1 Electrochemistry 8 2.1.1 Electromotive Force 8 2.1.2 Electrode Potential 8 2.1.3 Energy Storage 9 2.2 Battery Theory 10 2.4 Lithium-ion Batteries (LIBs) 11 2.4.1 Anode Materials 13 2.4.2 Electrolytes 14 2.4.3 Solid Electrolyte Interphase (SEI) 15 2.4.4 Additives 15 2.4.5 Cathode Materials 16 2.5 References 17 Ⅲ. Impact of SEI Viscoelasticity on the Performance of Graphite-SiO Anodes: An EQCM Analysis 18 3.1 Introduction 18 3.2 Experimental 20 3.2.1 Materials 20 3.2.2 Electrochemical measurements 20 3.2.3 Characterization 21 3.3 Results and discussion 21 3.3.1 Cycle performance of Gr-SiO half cells with electrolyte additives 21 3.3.2 EQCM analysis 23 3.4 Conclusions 33 3.5 References 34 Ⅳ. Characterization of SEI Layer Electrical Resistance on Graphite-SiO Anode via SSRM Analysis and Leakage Current Measurement 38 4.1 Introduction 38 4.2 Experimental 40 4.2.1 Materials 40 4.2.2 Electrochemical measurements 40 4.2.3 SSRM analysis 41 4.3 Results and discussion 41 4.3.1 Leakage current measurement and electrochemical performance 41 4.3.2 EIS and SSRM analysis 47 4.4 Conclusions 56 4.5 References 57 Ⅴ. In-situ OM Analysis of SOC Inhomogeneity in Graphite Anode and the Effect of Li2SnF6 Additive on Graphite-Silicon Anode Performance 60 5.1 Introduction 60 5.2 Experimental 62 5.2.1 Materials 62 5.2.2 Preparation of electrodes 62 5.2.3 Electrochemical measurements 62 5.2.4 Characterization 64 5.3 Results and discussion 64 5.3.1 Effects of Sn-QD on Li nucleation overpotential 64 5.3.2 In-situ optical microscopy for graphite anode 70 5.3.3 Effects of Li2SnF6 additive on Gr-Si anodes 78 5.4 Conclusions 89 5.5 References 90 Summary (in Korean) 93 |
- |
| dc.format.extent | 94 | - |
| dc.language | eng | - |
| dc.publisher | DGIST | - |
| dc.title | Investigations on Surface Properties and Novel Electrolyte Additive Development for Lithium-Ion Battery Anodes Based on Graphite and Silicon | - |
| dc.title.alternative | 흑연 및 실리콘 기반 리튬 이온 배터리 음극의 표면 특성 분석 및 신규 전해질 첨가제 개발 | - |
| dc.type | Thesis | - |
| dc.identifier.doi | 10.22677/THESIS.200000688104 | - |
| dc.description.degree | Doctor | - |
| dc.contributor.department | Department of Energy Science and Engineering | - |
| dc.contributor.coadvisor | Hongkyung Lee | - |
| dc.date.awarded | 2023-08-01 | - |
| dc.publisher.location | Daegu | - |
| dc.description.database | dCollection | - |
| dc.citation | XT.ED 조38 202308 | - |
| dc.date.accepted | 2023-09-14 | - |
| dc.contributor.alternativeDepartment | 에너지공학과 | - |
| dc.subject.keyword | Li-ion batteries | - |
| dc.subject.keyword | Electrolyte additives | - |
| dc.subject.keyword | Graphite-silicon anodes | - |
| dc.subject.keyword | SEI layer | - |
| dc.subject.keyword | Surface properties | - |
| dc.contributor.affiliatedAuthor | Minsang Jo | - |
| dc.contributor.affiliatedAuthor | Hochun Lee | - |
| dc.contributor.affiliatedAuthor | Hongkyung Lee | - |
| dc.contributor.alternativeName | 조민상 | - |
| dc.contributor.alternativeName | Hochun Lee | - |
| dc.contributor.alternativeName | 이홍경 | - |
| dc.rights.embargoReleaseDate | 2028-08-31 | - |
- Files in This Item:
-
There are no files associated with this item.
- Appears in Collections:
- Department of Energy Science and Engineering Theses Ph.D.
Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.