Title

Electrochemical Origins and Mitigation of Performance Limitations in Rechargeable Batteries

DGIST Authors

Jiyun Jeon ; Hochun Lee ; Seung-Tae Hong

Advisor

이호춘

Co-Advisor(s)

Seung-Tae Hong

Issued Date

2026

Awarded Date

2026-08-01

Type

Thesis

Description

Lithium-ion batteries, Overpotential, Resistance, Degradation, Performance limitation

Table Of Contents

Ⅰ. Introduction 1
II. Performance Limitations and Mitigation Strategies for Fast-Charging and Low-Temperature LiFePO4-Based Lithium-Ion Batteries 3
2.1 Introduction 4
2.2 Experimental 7
2.3 Results and Discussion 9
2.4 Conclusion 21
III. Kinetic Origin and Mitigation of Sudden Capacity Fade in Silicon-Based Lithium-Ion Batteries 22
3.1 Introduction 23
3.2 Experimental 25
3.3 Results and Discussion 27
3.4 Conclusion 48
IV. Long-life Potassium Metal Batteries Enabled by Anion-Derived Solid Electrolyte Interphase Using Concentrated Ionic Liquid Electrolytes 49
4.1 Introduction 50
4.2 Experimental 52
4.3 Results and Discussion 55
4.4 Conclusion 73
V. References 74
VI. Abstract in Korean (국문 초록) 82

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/60743
http://dgist.dcollection.net/common/orgView/200001009177

DOI

10.22677/THESIS.200001009177

Degree

Doctor

Department

Department of Energy Science and Engineering

Publisher

DGIST

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