Title

Solvation Tuning Dilution of High Concentration Linear Carbonate Electrolytes for Achieving Fast Charging Capability of Li-ion Batteries

DGIST Authors

Seungsoo Park ; HongKyung Lee ; Hochun Lee

Advisor

이홍경

Co-Advisor(s)

Hochun Lee

Issued Date

2024

Awarded Date

2024-02-01

Citation

Seungsoo Park. (2024). Solvation Tuning Dilution of High Concentration Linear Carbonate Electrolytes for Achieving Fast Charging Capability of Li-ion Batteries. doi: 10.22677/THESIS.200000727482

Type

Thesis

Description

급속 충전

Table Of Contents

Ⅰ. Introduction 1
1.1 Overview of lithium-ion battery 1
1.2 Challenges of fast charging · 2
1.3 Electrolytes design for fast charging 3
1.4 Research goal 4
Ⅱ. Experimental method
2.1 Electrode fabrication 6
2.2 Cell assembly 6
2.3 Electrochemical testing 6
2.4 Characterization 7
2.5 Computational simulation 8
Ⅲ. Result and Discussion
3.1 Electrolyte design: PHCEs · 10
3.2 Changes in solvation structure depending on the type of diluent 13
3.3 Interfacial changes due to variation in solvation structure · 16
3.4 Scenarios of anion and additive co-derived SEI formation with HCE and PHCEs 21
3.5 Electrochemical performances of Li-ion full cells under extreme conditions 22
Ⅳ. Conclusion · 26
References 27
Summary in Korean · 32

URI

http://hdl.handle.net/20.500.11750/48088
http://dgist.dcollection.net/common/orgView/200000727482

DOI

10.22677/THESIS.200000727482

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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