Title

Functional Additives for Stabilization of Thin Li Metal Anode

Alternative Title

박막 리튬 금속 음극의 안정화를 위한 기능성 첨가제

DGIST Authors

Jong Hun Sung ; Seung-Tae Hong ; Jong-Sung Yu

Advisor

홍승태

Co-Advisor(s)

Jong-Sung Yu

Issued Date

2026

Awarded Date

2026-02-01

Type

Thesis

Description

Li metal, anode, additive, alloying, LiF, SEI

Table Of Contents

Abstract ⅰ
List of Contents ⅱ
List of Tables ⅳ
List of Figures ⅴ

1. Introduction
1.1. Motivation 1
1.2. Thesis achievement 3
1.3. References 4
2. Background
2.1. Introduction of LIBs 7
2.2. Cathode 8
2.3. Anode 10
2.4. Separator 11
2.5. Electrolyte 13
2.5.1. Fundamental role of electrolyte 13
2.5.2. Composition of liquid electrolytes 13
2.5. Toward higher energy density 15
2.6.1. Strategies for increasing energy density 15
2.6.2. Cathode-side consideration 16
2.6.3. Toward high-capacity anodes 16
2.4. References 18
3. Dynamic cycling of ultrathin Li metal anode via electrode-electrolyte interphase
comprising lithiophilic Ag and abundant LiF under carbonate-based electrolyte
3.1. Introduction 21
3.2. Experimental section 24
3.2.1. Materials 24
3.2.2. Cell assembly 24
3.2.3. Electrochemical tests 25
3.2.4. Characterizations 25
3.2.5. Computational calculations 25
3.3. Results and discussion 27
3.4. Conclusion 52
3.5. References 53
4. Alloy-assisted stabilization of thin Li metal anode in pouch-type cell
4.1. Introduction 59
4.2. Experimental section 62
4.2.1. Materials 62
4.2.2. Cell assembly 62
4.2.3. Electrochemical measurements 63
4.2.4. Characterizations 63
4.2.5. Computational calculations 63
4.3. Results and discussion 65
4.4. Conclusion 82
4.5. References 83
5. Summary 88

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59623
http://dgist.dcollection.net/common/orgView/200000942696

DOI

10.22677/THESIS.200000942696

Degree

Doctor

Department

Department of Energy Science and Engineering

Publisher

DGIST

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