Title

Hydrohalic acid-assisted Li surface modification for rechargeable Li-metal batteries

Alternative Title

리튬 금속전지 내 할로겐화 수소산을 이용한 리튬 표면 개질

DGIST Authors

Jaeho Lee ; Honhkyung Lee ; Yong Min Lee

Advisor

이홍경

Co-Advisor(s)

Yong Min Lee

Issued Date

2023

Awarded Date

2023-02-01

Citation

Jaeho Lee. (2023). Hydrohalic acid-assisted Li surface modification for rechargeable Li-metal batteries. doi: 10.22677/THESIS.200000658340

Type

Thesis

Description

Li-metal batteries, surface modification, halogenated artificial SEI, interface analysis

Table Of Contents

Ⅰ. Introduction 1
1.1. Basic principles 1
1.2. Next Generation Batteries 2
1.2.1. Historical Background 3
1.2.2. Superiority of LMBs 4
1.2.3. Challenges of LMAs 5
1.3. Surface-deterministic Li electroplating 7
1.3.1. Li Native layer 8
1.3.2. Solid-Electrolyte interphase 9
1.3.3. Halogenated SEI 10
1.4. Surface Modification 11
1.4.1. Mechanical modifications 12
1.4.2. Chemical modifications 12
1.5. Research Goals 13
Ⅱ. Experimental Method 14
2.1. Preparation of Li-metal Treatment 14
2.2. Electrochemical measurements 14
2.3. Characterizations 15
Ⅲ. Results and discussion 16
3.1 Investigation of Li surfaces tailored by hydrohalic acids 16
3.2 Impact of Halogenated artificial SEI 22
IV. Conclusion 28
References 29
Summary in Korean 36

URI

http://hdl.handle.net/20.500.11750/45737
http://dgist.dcollection.net/common/orgView/200000658340

DOI

10.22677/THESIS.200000658340

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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