DGIST Scholar: Effect of Mixing Protocol on LPSCl-coated Li(Ni0.7Co0.15Mn0.15)O2 Composite Electrodes in All-Solid-State Batteries

Department of Energy Science and Engineering Theses Master

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Effect of Mixing Protocol on LPSCl-coated Li(Ni0.7Co0.15Mn0.15)O2 Composite Electrodes in All-Solid-State Batteries

Title: Effect of Mixing Protocol on LPSCl-coated Li(Ni0.7Co0.15Mn0.15)O2 Composite Electrodes in All-Solid-State Batteries

Description: Sulfide based solid state battery;Mixing protocol;LPSCl-Coated NCM composite electrode;Conductivity;Conductive agent

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 1

Ⅱ. Effect of Mixing Protocol on LPSCl-coated Li(Ni0.7Co0.15Mn0.15)O2 Composite Electrodes in All-Solid-State Batteries
2.1 Introduction 3
2.2 Experiment design
2.2.1 Materials 4
2.2.2 Preparation of composite cathode · 5
2.2.3 Material characterization 6
2.2.4 Measurement of electronic and ionic conductivity of the composite cathode 6
2.2.5 Fabrication and electrochemical characterization of the all-solid-state half-cell · 7
2.2.6 Digital twin modeling of 3D all-solid-state electrode structures 7
2.2.7 Electron and Ion density simulation for 3D all-solid-state electrode model · 8
2.3 Results and discussion
2.3.1 Morphology of LPSCl-coated NCM particles and electrodes depending on mixing protocol 9
2.3.2 Conductivity of the composite cathode 12
2.3.3 Simulation of 3D all-solid-state electrode model 14
2.3.4 Electrochemical performance of the all-solid state half cell 15
2.4 Conclusion · 18
Reference · 19
Summary (in Korean) 24