Title

High-Performance Flame-Retardant Electrolytes for Lithium-Ion Battery Applications

DGIST Authors

Ghun Kim ; Hochun Lee ; Seung Tae Hong

Advisor

이호춘

Co-Advisor(s)

Seung Tae Hong

Issued Date

2025

Awarded Date

2025-02-01

Citation

Ghun Kim. (2025). High-Performance Flame-Retardant Electrolytes for Lithium-Ion Battery Applications. doi: 10.22677/THESIS.200000828408

Type

Thesis

Description

Flame Retardant Electrolyte, Lithium Ion Battery, Improving Battery Safety, Battery Safety

Table Of Contents

Abstract i
List of contents ii


1. INTRODUCTION 1

2. EXPERIMENTAL 3
2.1 Chemicals 3
2.2 Ionic conductivity 3
2.3 1.0 Ah Pouch cell test 4
2.4 Flammability, Self-Extinguish Time (SET) test 4
2.5 Differential scanning calorimetry (DSC) 5
2.6 Battery vent Gas (BVG) test 6
2.7 Accelerating Rate Calorimeter (ARC) test 7

3. RESULTS AND DISCUSSION 10

3.1 Room temperature ionic conductivity of sulfone electrolyte solution 10
3.2 Flame Retardant Properties of Sulfonated Electrolytes 10
3.3 Exothermic reaction of sulfone electrolyte with active materials 11
3.4 1Ah Pouch cell performance with sulfone electrolyte 12
3.5 Battery Vent Gas (BVG) test 13
3.6 Evaluating battery safety with Accelerating Rate Calorimeter (ARC) 15

4. CONSLUSION 18

Supplementary information 19

References 20

Summary 22

URI

http://hdl.handle.net/20.500.11750/58032
http://dgist.dcollection.net/common/orgView/200000828408

DOI

10.22677/THESIS.200000828408

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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