목차

TABLE OF CONTENTS
List of Tables v
List of Figures and Schemes vi
Abstract ix
Chapter 1 General Introduction of Renewable Energy. 1
1.1. Proton Exchange Membrane Fuel Cell (PEMFC) 1
1.2. Electrolyte membranes for PEMFC 4
1.2.1. Perfluorinated sulfonic acid membranes 4
1.2.2. Aromatic hydrocarbon backbone membranes 8
1.3. Li-Ion batteries 9
1.4. Electrolyte for Li-Ion batteries 10
1.5. Lithium salt for Li-ion batteries 12
1.6. Strategy and object 16
Chapter 2. Flexible blend polymer electrolyte membranes with excellent conductivity for fuel cells 17
2.1. Introduction 17
2.2. Materials and methods 19
2.2.1. Materials 19
2.2.2. Synthesis of PDDPCSFS 20
2.2.3. Synthesis of SPmax-1200 21
2.2.4. Preparation of blend polymer membranes 22
2.2.5. Instrumentations and measurments 23
2.3. Results and discussions 24
2.3.1. Characterizations of the monomers and polymers 24
2.3.2. WC, IEC, hydration number, dimensional and thermal properties of the membranes 27
2.3.3. Proton Conductivity (σ), chemical and mechanical stability of the membrnaes 29
2.3.4. Cell performance and surface morphology of the membranes 31
2.4. Conclusions 33
Chapter 3. Synthesis and Characterization of cross-linked polymer with Sulfonylimide group via UV-radical polymerization for PEMFC 35
3.1. Introduction 35
3.2. Materials and methods 37
3.2.1. Materials 37
3.2.2. Measurements 37
3.2.3. Synthesis of Methacryloyl fluorosulfonyl imide (MAFSI) 39
3.2.4. Preparation of Poly(MAFSI-PEG) polymers(PMFP) 40
3.3. Result and discussion 41
3.3.1. Characterization of monomer (MAFSI) 41
3.3.2. Characterization of Polymers (PMFP) 42
3.3.3. IEC, Water uptake and dimensional stability of PMFP membranes 43
3.3.4. Proton Conductivity of the PMFP membranes 45
3.3.5. Thermal stability of PMFP membranes 47
3.3.6. Morphology of the membranes 48
3.3.7. Chemical stability of the membranes 49
3.3.8. Mechanical stability of the membranes 50
3.3.9. Cell performance of the PMFP membranes 51
3.3. Conclusions 52
Chapter 4. Study of UV-cured Cross-Linked Gel Polymer Electrolyte Containing Fluorosulfonyl urethane group for Safe and High Performance Li-ion Batteries 53
4.1. Introduction 53
4.2. Materials and Methods 55
4.2.1. Materials 55
4.2.2. Instrumentations and measurements 55
4.2.3. Synthesis of Fluorosulfonyl methacryloyl urethane(FSMU) monomer 56
4.2.4. Synthesis of Cross-linked polymer membranes 57
4.2.5. Fabrication of Symmetrical, Half Cells 58
4.3. Result and discussion 59
4.3.1. Characterization of monomer 59
4.3.2. Characterization of PFSPE membranes 59
4.3.3. Thermal properties of the membranes 60
4.3.4. Ionic Conductivity and Electrochemical Stability of Prepared Electrolyte Membranes 61
4.4. Conclusions 63
Chapter 5. Studies of In-situ Polymerization with Low Interfacial Resistance on Gel Polymer Electrolyte for Li-Ion Batteries 64
5.1. Introduction 64
5.2. Materials and Experiment 65
5.2.1. Materials 65
5.2.2. Instrumentations and measurements 66
5.2.3. Synthesis of Fluorosulfonyl methacryloyl urethane(FSMU) monomer 66
5.2.4. Synthesis of In-situ gel polymer electrolyte(PFSED) 67
5.3. Result and discussion 68
5.3.1. Characterization of FSMU monomer 68
5.3.2. Characterization of PFSEDs 69
5.3.3. Thermal properties of the membranes 70
5.3.4. Ionic Conductivity and Electrochemical Stability of Prepared Electrolyte 71
5.4. Conclusions 72
References 74
Abstract (in Korean) 92