Title

Low viscous, highly conductive, ester-based high-concentration electrolyte for ultrafast charging Li-ion batteries

Alternative Title

저점도, 고전도성의 에스터 기반 고농도 전해질을 이용한 초고속 충전용 리튬이온배터리

DGIST Authors

Soyeon Lee ; Hongkyung Lee ; Hochun Lee

Advisor

이홍경

Co-Advisor(s)

Hochun Lee

Issued Date

2024

Awarded Date

2024-08-01

Citation

Soyeon Lee. (2024). Low viscous, highly conductive, ester-based high-concentration electrolyte for ultrafast charging Li-ion batteries. doi: 10.22677/THESIS.200000803726

Type

Thesis

Description

Extremely fast-charging batteries, Li ion batteries, High concentration electrolytes, Thick electrodes, Dynamic solvation

Table Of Contents

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

Ⅰ. Introduction
1.1. Overview of Lithium-Ion Battery 1
1.2. Urgent Demand for XFC in Electric Vehicles-Targeted Batteries 1
1.2.1. Trade-Off: Fast-Charging & Energy Density 1
1.2.2. Challenges 2
1.3. Electrolyte Design for Fast charging 2
1.4. Research goals 3
Ⅱ. Experimental method
2.1. Electrolyte Preparation 4
2.2. Electrode Fabrication and Cell Assembly 4
2.3. Electrochemical Measurements 4
2.4. Electrolyte Characterization 5
2.4. Postmortem Analysis 5
2.5. Computational Analysis 6
Ⅲ. Result and Discussion
3.1. Investigating the optimal solvent in the 3XF framework 9
3.2. Exploring Transport Dynamics for Superior XFC Cycling of 3MF 13
3.3. 3MF: All Round Player in Extreme Conditions 21
Ⅳ. Conclusion 25
References 26
Summary in Korean 30

URI

http://hdl.handle.net/20.500.11750/57629
http://dgist.dcollection.net/common/orgView/200000803726

DOI

10.22677/THESIS.200000803726

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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