DGIST Scholar: Sequential Effect of Dual-layered Artificial/Natural Hybrid Graphite Anode On Electrode Resistance Distribution for Fast-chargeable Li-ion Batteries

Department of Energy Science and Engineering Theses Master

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Sequential Effect of Dual-layered Artificial/Natural Hybrid Graphite Anode On Electrode Resistance Distribution for Fast-chargeable Li-ion Batteries

Title: Sequential Effect of Dual-layered Artificial/Natural Hybrid Graphite Anode On Electrode Resistance Distribution for Fast-chargeable Li-ion Batteries

Alternative Title: 이중층 구조의 인조/천연 하이브리드 흑연 음극의 순차적 효과에 대한 리튬이온 배터리 급속 충전 성능 향상

Description: Fast-charging batteries;Dual-layered electrodes;Resistance distribution;Hybrid graphite anodes;temporal SOC gradient

Table Of Contents: List of Contents
Abstract i
List of contents ii
List of tables · iii
List of figures vi

Ⅰ. Introduction
1.1 Principles of Li-ion batteries 1
1.2 Promise of thick electrode 2
1.3 Limitation of thick electrode 3
1.4 Enhancing thick electrode design · 4
1.5 Research goals 5
Ⅱ. Experimental method
2.1 Electrode fabrication· 7
2.2 Cell assembly 7
2.3 Electrochemical measurements 8
2.4 Electrode characterization 8
2.5 Computational analysis· 9
Ⅲ. Result and Discussion
3.1 Preliminary comparison of NG and AG· 11
3.2 Electrode structures and binder distributions at SLEs and DLEs 14
3.3 Electrochemical performances of Li-ion cells using SLEs and DLEs 17
3.4 Postmortem analysis 19
3.5 Pseudo-3D model-based simulation 22
3.6 Sequential effect in DLE-NA and DLE-AN hybrid anodes 26
Ⅳ. Conclusion · 27
References 32
Summary in Korean · 37