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05/6/2008 -
Electrochemistry of Zirconia Gas Sensors (2007)
by Serge Zhuiykov
ISBN 9781420047615. CRC Press, Boca Raton, Florida. 2007. Hardcover. 297 pages. $149.95.
The measurement of the concentration of pollutants such as hydrocarbons and nitrous oxides is very important in the present technology landscape. Gas sensors provide the unique capability of studying the concentration of gases that cause global warming among the many gases are analyzed. The book titled Electrochemistry of Zirconia Gas Sensors is an appropriate text for anyone seeking to understand how gas sensors work. It describes in detail the physical phenomena involved in these sensors, the mathematical correlation that could be used for modeling, predicting and optimizing the performance of the sensors, the manufacturing technologies of the zirconia-based sensors, the sources of errors in the measurement and a detailed design of experiment methodology for implementing the sensors. Though this book could be used as a reference text for some graduate school classes on sensors, it is more appropriate for research and industry personnel interested in learning and understanding the implementation of the zirconia gas sensors.
A thorough literature survey has been done in compiling each of the chapters in this book and serves as a bridge connecting the divide between academic research and industrial applications. In the first chapter, the author goes in detail from the basics of the working of the gas sensor to the mathematical relationships expressing their functionality.
This basic understanding is subsequently applied in chapter 2 for developing mathematical model of these sensors. A good overview of application of zirconia gas sensors is provided in chapter 3. The most notable applications are for the mixed-potential NOx and HC Hydrocarbon) gas sensor that can help in providing more accurate measurements for automobiles during cold start. Polycrystalline and single-crystal zirconia gas sensors with application to measurement of gas concentrations in molten metals are discussed in chapter 4 followed by various methods of analysis such as galvano-harmonic and impulse galvano-static methods. In chapter 5, the author gives methods of manufacturing and assembly of the zirconia gas sensors. This is followed by analyzing the error in the readings of the sensors in chapter 6 and a brief description of testing and analysis of these sensors in chapter 7.
The layout of the book is appropriate with the equations and figures being presented at the right place in the text serving their illustrative purpose and making the text easier to understand. A good quality index is provided along with a basic table of contents. The equations in the book could have been followed by an explanation of all the symbols. In subsequent editions, it would be much better if the author would follow the equations with appropriate explanation and units of each of the symbols. This can ease the reading of the book and make it measurably faster. In some sections, such as in the development in 1.5.2, a figure could have made the text much more descriptive and easier to understand. For example, a figure showing a schematic of the ionization reaction and the diffusion of oxygen ions would have helped.
Overall, this book is a very good compilation of a body of knowledge of the past 30–40 years on the technology and application of zirconia gas sensors.
For more on Electrochemistry of Zirconia Gas Sensors, visit the CRC Press web site.
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