Title

Enhancing Electrochemical Performance of Ni-rich Cathode Materials through Dual Lithium-ion Conductive Coating

DGIST Authors

Hyeonchae Lee ; Jong-Soo Lee ; Seung-Tae Hong

Advisor

이종수

Co-Advisor(s)

Seung-Tae Hong

Issued Date

2025

Awarded Date

2025-02-01

Citation

Hyeonchae Lee. (2025). Enhancing Electrochemical Performance of Ni-rich Cathode Materials through Dual Lithium-ion Conductive Coating. doi: 10.22677/THESIS.200000841504

Type

Thesis

Description

Keywords: Ni-rich cathode materials, Surface modification, Li-ion conductive coating, Surface stabilization, Electrochemical performance

Table Of Contents

CHAPTER 1. INTRODUCTION 1
1.1. Lithium-ion batteries 1
1.2. Emergence of Ni-rich cathode materials 2
1.3. Challenges of Ni-rich cathode materials 3
1.3.1. Cation mixing 3
1.3.2. Electrolyte decomposition 4
1.3.3. Residual lithium compounds 5
1.4. Lithium-ion conductive coating (LCC) to enhance electrochemical performance of Ni-rich cathode materials 7
1.5. Objectives of This Research Work 8
CHAPTER 2. EXPERIMENTAL SECTION 12
2.1. Materials 12
2.2. Preparation of dual Lithium-ion conductive coated Ni-rich cathode materials 12
2.3. Characterization 13
2.4. Electrochemical Measurement 14
CHAPTER 3. Result and Discussion 15
3.1. Materials Characterization 15
3.2. Electrochemical characterizations 22
3.3. Post-cycling analysis 32
CHAPTER 4. Conclusion 36
Reference 39

URI

http://hdl.handle.net/20.500.11750/58041
http://dgist.dcollection.net/common/orgView/200000841504

DOI

10.22677/THESIS.200000841504

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

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