Title

A Study on Interfacial Stabilization of Solid Electrolytes and Electrodes for Solid-State Lithium Metal Batteries

Alternative Title

전고체 리튬 금속 전지를 위한 전해질 및 전극 계면 안정화 연구

DGIST Authors

Wooyoung Jeong ; Hongkyung Lee ; Jong-Won Lee

Advisor

이홍경

Co-Advisor(s)

Jong-Won Lee

Issued Date

2024

Awarded Date

2024-08-01

Citation

Wooyoung Jeong. (2024). A Study on Interfacial Stabilization of Solid Electrolytes and Electrodes for Solid-State Lithium Metal Batteries. doi: 10.22677/THESIS.200000803218

Type

Thesis

Description

리튬 금속 음극, 리튬 수지상, 계면 안정화, 고이온전도성 고체전해질, 중간층

Table Of Contents

I. Introduction 1
II. Literature Survey 4
2.1 Introduction 4
2.2 Developments of Highly-Conductive Solid Electrolytes 6
2.3 Strategies for Interfacial Stabilization of Li Metal Anodes 12
2.4 Summary 20
III. Tailoring Grain Boundary Structure and Chemistry for Air Stable and Highly Conductive Li7La3Zr2O12 Solid Electrolyte 21
3.1 Research Background 21
3.2 Methods 22
3.3 Results 27
3.4 Discussion 36
3.5 Summary 42
IV. Suppressing Interfacial Degradation of Li7La3Zr2O12 Enabled by Encapsulation with Hydrophobicity-Tailored Polymer Nanolayer 44
4.1 Research Background 44
4.2 Methods 45
4.3 Results and Discussion 47
4.4 Summary 60
V. Stable Lithium Metal Anode Enabled by a Polymeric Interlayer with High Salt Concentration for Solid-State Batteries 61
5.1 Research Background 61
5.2 Methods 62
5.3 Results and Discussion 63
5.4 Summary 76
VI. Design Principles of a Lithium Protective Layer Using Polymeric Ionic Liquids for Solid-State Lithium Metal Batteries 77
6.1 Research Background 77
6.2 Methods 78
6.3 Results and Discussion 80
6.4 Summary 89
VII. Stable Li Plating/Stripping on a Current Collector Enabled by Metal–Organic Frameworks Interlayer 90
7.1 Research Background 90
7.2 Methods 91
7.3 Results and Discussion 92
7.4 Summary 97
VIII. Concluding Remark 98
References 100
Summary in Korean 115

URI

http://hdl.handle.net/20.500.11750/57582
http://dgist.dcollection.net/common/orgView/200000803218

DOI

10.22677/THESIS.200000803218

Degree

Doctor

Department

Department of Energy Science and Engineering

Publisher

DGIST

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