Title

Ionic Conductivity Enhancement through Structural Disorder in Solid Electrolytes

Alternative Title

구조적 무질서 유도를 통한 이온 전도도 향상

DGIST Authors

InKyoung Han ; Seung-Tae Hong ; Hochun Lee

Advisor

홍승태

Co-Advisor(s)

Hochun Lee

Issued Date

2026

Awarded Date

2026-02-01

Type

Thesis

Description

Solid Electrolyte

Table Of Contents

Ⅰ. Introduction 1
1.1 The Necessity of Research on All-Solid-State Batteries 1
1.2 Role of Structural Design in Solid Electrolytes 3
1.3 Introduction to Li2ZnCl4 4
1.4 Introduction to Li5AlS4 5

Ⅱ. Experimental 7
2.1 Synthesis 7
2.1.1 Synthesis of Li2ZnCl4 7
2.1.2 Synthesis of Li5AlS4 7
2.2 Materials characterization 10
2.2.1 Structure Analysis and Design Strategy for Li2ZnCl4 10
2.2.2 Electrochemical Evaluation of Li2ZnCl4 11
2.2.3 Structure Analysis and Design Strategy for Li5AlS4 12
2.2.4 Electrochemical Evaluation of Li5AlS4 13

Ⅲ. Results and discussions 14
3.1 Results of Li2ZnCl4 14
3.1.1 Structure Properties 14
3.1.2 Li+ ions Transport Properties 22
3.2 Results of Li5AlS4 25
3.2.1 Structure Properties 25
3.2.2 Electrochemical performance 35

Ⅳ. Conclusion 37

Ⅴ. References 39

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/59695
http://dgist.dcollection.net/common/orgView/200000942628

DOI

10.22677/THESIS.200000942628

Degree

Master

Department

Department of Energy Science and Engineering

Publisher

DGIST

Show Full Item Record