Title

Mechanothermal-milling-assisted removal of native passivation layer for revitalizing lithium metal anodes

Alternative Title

MTM 공법을 활용한 리튬 금속 음극의 표면 패시배이션 층 제거 및 표면 품질 향상에 관한 연구

DGIST Authors

Sanghyeon Park ; Hongkyung Lee ; Hochun Lee

Advisor

이홍경

Co-Advisor(s)

Hochun Lee

Issued Date

2024

Awarded Date

2024-08-01

Citation

Sanghyeon Park. (2024). Mechanothermal-milling-assisted removal of native passivation layer for revitalizing lithium metal anodes. doi: 10.22677/THESIS.200000803390

Type

Thesis

Description

Lithium metal anodes, Lithium metal batteries, Native passivation layer, Mechanothermal-milling method, Interfacial evolution

Table Of Contents

List of Contents
Abstract i
List of contents ii
List of tables iii
List of figures vi

Ⅰ. Introduction 1
1.1. Principle of rechargeable LIBs 1
1.2. Historical Background of LMBs 1
1.3. Next generation Batteries: Revisiting LMA 2
1.3.1. Superiority of LMBs 2
1.3.2. Challenges of LMBs 3
1.3.3. Inherent Irregularity of LMAs 3
1.4. Surface treatment of LMA 5
1.4.1. Chemical treatments 5
1.4.2. Mechanical treatments 5
1.5. Research Goals 6

Ⅱ. Experimental Method 6
2.1. Preparation of MTM-Li 6
2.2. Preparation of electrolytes and cathodes 8
2.3. Cell assembly and electrochemical testing 9
2.4. Characterization 9

Ⅲ. Results and discussion 10
3.1. Analysis of characteristics of MTM-Li surface 10
3.1.1. Structural characteristics 10
3.1.2. Chemical characteristics 12
3.1.3. Electrochemical characteristics 14
3.2. Morphological study of MTM-Li 15
3.3. Versality of MTM-Li with different electrolyte 18
3.4. Cycling performance and postmortem analysis 23

Ⅳ. Conclusion 27
References 28
Summary in Korean 34

URI

http://hdl.handle.net/20.500.11750/57626
http://dgist.dcollection.net/common/orgView/200000803390

DOI

10.22677/THESIS.200000803390

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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