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Superionic Solids And Solid Electrolytes Recent Trends

1st Edition - August 28, 1989

Editor: Amulya Laskar

eBook ISBN:

9 7 8 - 0 - 3 2 3 - 1 4 2 9 3 - 9

Superionic Solids and Solid Electrolytes: Recent Trends describes the fundamental aspects, unique properties, and potential applications of superionic solids and solid… Read more

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Superionic Solids and Solid Electrolytes: Recent Trends describes the fundamental aspects, unique properties, and potential applications of superionic solids and solid electrolytes. These materials significantly contribute to the development of the solid state ionics technology. This book is divided into 17 chapters, and begins with an overview of various materials, such as glasses, heterogeneous or dispersed phase conductors, proton conductors, Nasicon, and fluorites. These topics are followed by a discussion on the problems related with entropy effects, subsurface space charge, and defect formation parameters. Significant chapters deal with the phenomenological, fractal, molecular dynamics, fluctuations, and correlations in superionic solid and solid electrolyte materials. A chapter tackles the solid state battery applications of solid electrolytes. This text ends with a chapter on the prediction of the potentials of activity in superionics. This book will be of value to graduate students and researchers who are interested in the solid state ionics technology.

Contributors

Preface

Recent Trends in High Conductivity Solid Electrolytes and Their Applications: An Overview

I. Introduction

II. Recent Trends in Solid Electrolyte Materials

III. Applications of Solid Ionic Conductors

IV. Conclusion

References

Fast Ion Transport in Glasses

I. Introduction

II. Theory

III. Glasses Exhibiting Fast Ion Conduction

IV. Discussion and Summary

V. Acknowledgment

References

Fast Ion Conducting Polymers

I. Introduction

II. Mass Transport in Elastomers on the Molecular Scale

III. Ion Transport in Polymers

IV. The Choice of Polymer Electrolytes for Specific Applications

V. Concluding Remarks

References

Heterogeneous Solid Electrolytes

I. Introduction

II. The System Ionic Conductor/Insulator (MX/A)

III. The Contact of Two Ionic Conductors (ΜΧ/ΜΧ')

IV. Grain Boundaries (MX/MX)

V. Thin Films and Microcrystals

VI. Outlook

References

Proton Conductors

I. Introduction

II. Materials

III. Experimental Techniques for Studying Proton Conductors

IV. Mechanism of Proton Transport

V. Applications

References

Nasicon Material

I. Introduction

II. Preparation

III. Crystalline Nasicon

IV. Amorphous Nasicon

V. Nasicon Solid Electrolyte

References

Defect Properties and Their Transport in Silver Halides and Composites

I. Introduction

II. Defect Structure and Simple Theory

III. Ionic Transport Equations

IV. Design of Experiments and Techniques

V. Results and Discussion

VI. Enhanced Ionic Transport in AgX-Oxide Composites

VII. Conclusion

VIII. Acknowledgment

References

Superionic Fluorites

I. Introduction

II. Basic Defect Structure and Transport Mechanism

III. Stoichiometric Systems

IV. Anion Deficient System

V. Anion Excess Fluorites

VI. Mixed Metal Fluorites

VII. Anti-Fluorite Structured Compounds

Summary and Conclusions

Acknowledgments

References

The Conductivity Pre-Exponential of Solid Electrolytes

I. Introduction

II. Theory of Low-Defect Ionic Crystals

III. Extension to Disordered Systems

IV. Question of the M-N Rule

V. Survey of Data

VI. Summary

Appendix

Acknowledgments

References

The Sub-Surface Space Charge and Defect Formation Parameters

I. Introduction

II. Phenomena Associated with the Surface Charge

III. The Equilibrium Distribution

IV. Experimental Results on Silver Halide Crystals

V. Point Defect Formation Enthalpies and Entropies

References

Phenomenological Theory for Superionic Transport

I. Introduction

II. Lattice Gas Model for Superionic Conductors

III. Formalism of the Path Probability Method

IV. The Application of the Path Probability Method to Problems of Ionic Transport

V. Percolation Efficiency in Binary Systems

References

Fractal Physics and Superionic Conductors

I. Fractal Physics and Superionic Conductors; What Are Fractals and What Is Their Interest?

II. Fractal Electrodes

III. How Aggregation or Diffusion Could Build Fractal Interfaces

IV. Fractal Related Transport in Superionic Conductors

References

Fluctuations, Structure Factors and Correlations: Ionic Transport in Framework Electrolytes

I. Introduction

II. Lattice Gas Models

III. Continuous Models: Liquid-like Models

IV. Remarks

Acknowledgments

References

New Forms of Molecular Dynamics and Superionic Conductors

I. Introduction

II. Forms of Molecular Dynamics

III. Phase Transformations of AGI

References

Fast Ion Dynamics Studied by Neutron Scattering and High Frequency Conductivity

I. Introduction

II. Quasielastic Neutron Scattering and Dynamic Conductivity

III. A Clear-Cut Example of Jump Diffusion: SrC12

IV. Non-Periodic Local Motion: ß-Ag3SI

V. Non-Hopping Translational Motion: α-Ag2Se

VI. Observation of Trial-and-Error Hops: RbAg4I5

VII. The Case of α-AgI: Preference for Backward Hops

VIII. More Examples and the "Universal Dielectric Response"

IX. A Simple Jump-Relaxation Model

X. Predictions from the Model and Comparison to Experiment

References

Solid State Battery

I. Evolution of the Solid State Battery

II. Design Characteristics

III. Silver System

IV. Copper Systems

V. Lithium Systems

VI. Polymer Electrolyte Lithium Batteries

VII. Other Novel Systems

VIII. Applications and Future Prospects

References

The Future of Superionics

I. How Far Can We Predict The Future of Advanced Fast Ionic Conductors?

II. What Are the Prospects of Fast Ionic Conductors in Future Applications?

References

Index