All-solid-state batteries have gained much attention as the next-generation batteries. This book is about various Li ion ceramic electrolytes and their applications to all-solid-state battery. It contains a wide range of topics from history of ceramic electrolytes and ion conduction mechanisms to recent research achievements. Here oxide-type and sulfide-type ceramic electrolytes are described in detail. Additionally, their applications to all-solid-state batteries, including Li-air battery and Li-S battery, are reviewed.
Consisting of fundamentals and advanced technology, this book would be suitable for beginners in the research of ceramic electrolytes; it can also be used by scientists and research engineers for more advanced development.

Preface v

1. Introduction 1

References 7

2. Li Battery 9

References 37

3. History of Solid Electrolyte 47

References 52

4. Ion Conduction in Ceramics 57

4.1 Structural Fundamentals of Ion Conductive Ceramics 57

4.2 Ion Conduction Inside the Crystal 61

      4.2.1 Defect 61

      4.2.2 Hopping model 65

4.3 Ion Conduction at the Interface 68

      4.3.1 Space charge effect 70

      4.3.2 Percolatione effect 74

4.4 Strategies for Lithium Conductivity Enhancement 77

References 79

5. Crystalline Li-ion Conductive Ceramics 81

5.1 Oxide Li-ion Conductive Ceramics 81

      5.1.1 NASICON-typesolidelectrolyte 82

      5.1.2 Perovskite 90

      5.1.3 Garnet 96

      5.1.4 Anti-perovskite type solid electrolyte 115

5.2 Sulfde Li-ion Conductive Ceramics 122

      5.2.1 Thio-LISICON 123

      5.2.2 Li 10 GeP2 S12 and related materials 124

      5.2.3 Argyrodite 129

References 132

6. Amorphous/Glass and Glass-Ceramics Li-ion Conductive Ceramics 147

6.1 Amorphous/Glass Li-ion Conductor 147

      6.1.1 Oxide glass 148

      6.1.2 LiPON 152

      6.1.3 Sulfide glass 156

6.2 Glass-Ceramic Li-ion Conductor 158

References 168

7. Application in All-Solid-State Battery 177

7.1 Thin-FilmBattery 179

7.2 Bulk-Type All-Solid-State Li Battery 184

7.3 Li-S Battery 197

7.4 Li-Air Battery 202

      7.4.1 Solid electrolytes for Li-air battery 203

      7.4.2 Solid electrolyte for Li-air battery containing aqueous electrolyte 205

      7.4.3 Solid electrolytes for all-solid-state Li-air batteries 214

      7.4.4 Summary 217

References 218

8. Summary 227

References 230

Index 233

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