Electrochemistry of Zirconia Gas Sensors  book cover
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Electrochemistry of Zirconia Gas Sensors




ISBN 9781420047615
Published July 27, 2007 by CRC Press
320 Pages - 113 B/W Illustrations

 
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Book Description

The first book to present a detailed analysis of the electrochemistry, development, modeling, optimization, testing, and technology behind modern zirconia-based sensors, Electrochemistry of Zirconia Gas Sensors explores how to tailor these sensors to meet specific industrial needs. The book addresses a range of different stages of development in zirconia-based sensors for gaseous and molten metal environments, focusing on an accessible form from analysis of interaction at the measuring environment-zirconia sensor interface to reliability testing of the sensors.

The coverage highlights different fundamental aspects of electrochemistry and physical chemistry of zirconia, mathematical modeling, optimization parameters, and structures of the electrode materials. The author highlights the factors that determine high sensitivity, critically reviews the limitations of current technologies, and surveys the needs and possibilities of future developments. He covers technologies for vacuum-tight joining zirconia to ceramic insulators and sensor construction materials as well as sensor design and concepts of the total-NOx sensor based on mixed potential. The book includes a critical overview of existing technologies of zirconia gas sensors including nanotechnology.

This book fills the gap between pure academic research of the zirconia-based gas sensors, explaining the influence of the double electrical layer on the sensor output signal and the applied, technological, down-to-earth approaches adopted by the vast majority of the industrial companies working in this field. Providing guidance on how to organize a testing program of gas sensors, the book allows readers to look forward in evaluating future trends in the zirconia gas sensors development.

Table of Contents

INTRODUCTION TO ELECTROCHEMISTRY OF SOLID ELECTROLYTE GAS SENSORS
Electrochemistry of Zirconia Solid Electrolytes as the Basis for Understanding Electrochemical Gas Sensors
ElectroPhysical Properties of Solid Electrolytes
Aging of Solid Electrolytes
An Electron Model of Solid Oxygen-Ionic Electrolytes Used in Gas Sensors
Electrode Processes in Solid Electrolyte Sensors
References

MATHEMATICAL MODELING OF ZIRCONIA GAS SENSORS WITH DISTRIBUTED PARAMETERS
Complete Mathematical Model of Electrochemical Gas Sensors
Modeling Interactions of Oxygen with Nernstian Zirconia Sensor
Modeling Interactions of Various Gases with Non-Nernstian Zirconia Sensors
Numerical Mathematical Models of Zirconia Gas Sensors
Identification Parameters of Mathematical Models
Verification Adequacy of Mathematical Models to Real Gas Sensors
Nomenclature
References

METROLOGICAL CHARACTERISTICS OF NON-NERNSTIAN ZIRCONIA GAS SENSORS
Non-Nernstian Zirconia Gas Sensors
Mixed-potential NOx Sensors
Mixed-potential Hydrocarbon Sensors
Impedance-based Zirconia Gas Sensors
Future Trends
References

ZIRCONIA SENSORS FOR MEASUREMENT GAS CONCENTRATION IN MOLTEN METALS
Zirconia Sensors for the Measurement of Oxygen Activity in Melts
Impedance Method for the Analysis of in-situ Diagnostics and the Control of an Electrolyte/Liquid-metal Electrode Interface
Measuring Oxygen Concentration in Lead-Bismuth Heat Carriers
Regulation of Oxygen Partial Pressure in Melts by Zirconia Pumps
References

MANUFACTURING TECHNOLOGIES OF ZIRCONIA GAS SENSORS
Vacuum-Tight Technologies of Joining Zirconia to Ceramic Insulators
Vacuum-Tight Technologies of Joining Zirconia to Sensor Construction Materials
Nanotechnologies for Zirconia Gas Sensors
Limitations of Existing Technologies and Future Trends
References

ERRORS OF MEASUREMENT OF ZIRCONIA GAS SENSORS
Bases of Errors Theory in Relation to Electrochemical Gas Sensors
Analysis Systematic Errors of Zirconia Gas Sensors
Analysis of the Main Components of Errors of Zirconia Gas Sensors
Calculation of Errors on the Basis of Experimental Data
References

ORGANIZATION AND PLANNING OF TESTING ZIRCONIA SENSORS
Main Principles of Zirconia Sensors Testing
Planning of Experiments
Reliability Testing of Zirconia Gas Sensors
References
Index

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Reviews

"Overall, this book is a very good compilation of a body of knowledge of the past 30-40 years on the technology of zirconia gas sensors."

– Pritish Kar, Lam Research Corporation, in JOM, September 2008