DGIST Scholar: Designing high-performance and high-stability electrodes for energy devices

Department of Energy Science and Engineering Theses Ph.D.

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Designing high-performance and high-stability electrodes for energy devices

Title: Designing high-performance and high-stability electrodes for energy devices

Description: Lithium-ion batteries; Solid-state batteries; Electrode design; Composite electrode; Pre-lithiation

Table Of Contents: Ⅰ. Introduction 1
1.1. Introduction to solid-state batteries (SSBs) 1
1.2. Electrode design for high-energy density SSBs 3
1.2.1. Anode 3
1.2.2. Cathode 4
1.3. Reference 6
Ⅱ. Dry Pre-Lithiation for Graphite-Silicon Diffusion-Dependent Electrode for All-Solid-State Battery 11
2.1. Introduction 11
2.2. Experimental 15
2.3. Results and discussion 18
2.4. Conclusion 44
2.5. Reference 52
Ⅲ. Digital-Twin-Driven Structural and Electrochemical Analysis of Li+ Single-Ion Conducting Polymer Electrolyte for Solid-State Batteries 53
3.1. Introduction 53
3.2. Experimental 56
3.3. Results and discussion 60
3.4. Conclusion 72
3.5. Reference 73
Ⅳ. Facile Sulfide Solid Electrolyte Coating via PTFE binder for Composite Electrodes with High Active Surface Area 77
4.1. Introduction 77
4.2. Experimental 79
4.3. Results and discussion 81
4.4. Conclusion 90
4.5. Reference 91
Summary in Korean 93