Title

Laser-guided surface modification for high-capacity metallic anodes

DGIST Authors

Beomjun Kim ; Chanyeon Kim ; Hongkyung Lee

Advisor

김찬연

Co-Advisor(s)

Hongkyung Lee

Issued Date

2025

Awarded Date

2025-02-01

Citation

Beomjun Kim. (2025). Laser-guided surface modification for high-capacity metallic anodes. doi: 10.22677/THESIS.200000847102

Type

Thesis

Description

Lithium metal batteries, Native passivation layer, Nanosecond-pulsed laser, Surface reconstruction, Interfacial evolution

Table Of Contents

Ⅰ. Introduction 1
1.1. Basic Principles of Lithium Secondary Batteries 1
1.2. Evolution of Lithium Metal Batteries 2
1.3. Next generation Batteries: Revisiting LMA 2
1.3.1. Superiority of LMBs 2
1.3.2. Challenges in LMBs Implementation: Inherent Inhomogeneity of LMAs 3
1.4. Surface treatment of LMA 4
1.5. Laser technology 5
1.6. Research Goals 5

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

Ⅲ. Results and discussion 9
3.1. Analysis of characteristics of laser-treated Li surface 9
3.1.1. Structural characteristics 9
3.1.2. Chemical characteristics 11
3.1.3. Electrochemical characteristics 13
3.2. Morphological study of laser-treated Li 14
3.3. Cycling performance and postmortem analysis 16

Ⅳ. Conclusion 18
References 19
Summary in Korean 22

URI

http://hdl.handle.net/20.500.11750/58046
http://dgist.dcollection.net/common/orgView/200000847102

DOI

10.22677/THESIS.200000847102

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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