Title

Functional separator for safe, long-life Lithium metal batteries

DGIST Authors

Doan Kang ; Hochun Lee ; Seung-Tae Hong

Advisor

이호춘

Co-Advisor(s)

Seung-Tae Hong

Issued Date

2025

Awarded Date

2025-02-01

Citation

Doan Kang. (2025). Functional separator for safe, long-life Lithium metal batteries. doi: 10.22677/THESIS.200000828636

Type

Thesis

Description

Lithium metal batteries, sulfone electrolyte, solid electrolyte, separator, coating

Table Of Contents

Ⅰ. Introduction 1
1.1 Sulfone-based gel polymer electrolytes (SGPE) 2
1.2 Ceramic-coated separator 3
1.3 References 4
Ⅱ. Ceramic-coated separator for Sulfone-based gel polymer electrolytes 5
2.1 Experimental methods 5
2.1.1 Materials and chemicals 5
2.1.2 Preparation of PE-LF separator 6
2.1.3 Characterization of separator 6
2.1.4 Electrochemical measurements 6
2.1.5 Battery performance 7
2.2 Results and discussion 7
2.2.1 Coating design 7
2.2.2 Thermal stability 13
2.2.3 Cycle performance and Li deposition of Li symmetric cells 14
2.2.4 Cycle performance and Li deposition of Li/Cu cells 16
2.2.5 Application to NCM811/Li cells 17
2.3 Conclusions 20
2.4 References 21

URI

http://hdl.handle.net/20.500.11750/58031
http://dgist.dcollection.net/common/orgView/200000828636

DOI

10.22677/THESIS.200000828636

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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