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High-temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications
 
 

High-temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications, 1st Edition

 
High-temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications, 1st Edition,Subhash Singhal,ISBN9781856173872
 
 
 

  

Singhal   &   Kendall   

Elsevier Science

9781856173872

9780080508085

406

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Description

High Temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications provides a comprehensive discussion of solid oxide fuel cells (SOFCs). SOFCs are the most efficient devices for the electrochemical conversion of chemical energy of hydrocarbon fuels into electricity, and have been gaining increasing attention for clean and efficient distributed power generation. The book explains the operating principle, cell component materials, cell and stack designs and fabrication processes, cell and stack performance, and applications of SOFCs. Individual chapters are written by internationally renowned authors in their respective fields, and the text is supplemented by a large number of references for further information. The book is primarily intended for use by researchers, engineers, and other technical people working in the field of SOFCs. Even though the technology is advancing at a very rapid pace, the information contained in most of the chapters is fundamental enough for the book to be useful even as a text for SOFC technology at the graduate level.

Readership

Designers, manufacturers and end-users of solid oxide and other fuel cells: researchers in fuel cell technology; membrane manufacturers.

Subhash Singhal

High-temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications, 1st Edition

Chapter 1 - Introduction to SOFCs

1.2 Background

1.3 Historical Summary

1.4 Zironia Sensors for Oxygen Measurement

1.5 Zirconia Availability and Production

1.6 High-Quality Electrolyte Fabrication Processes

1.7 Electrode Materials and Reactions

1.8 Interconnection for Electrically Connecting the Cells
Cell and Stack Designs

1.9 SOFC Power Generation Systems

1.10 Fuel Consierations

1.11 Competition and Combination with Head Engines

1.12 Application Areas and Relation to Polymer Electrolyte Fuel Cells

1.13 SOFC-Related Publications

References


Chapter 2 - History

2.1 The Path to the First Solid Electrolyte Gas Cells

2.2 From Solid Electrolyte Gas Cells to Solid Oxide Fuel Cells

2.3 First Detailed Investigations of Solid Oxide Fuel Cells

2.4 Progess in the 1960s

2.5 On the Path to Practical Solid Oxide Fuel Cells

References


Chapter 3 - Thermodynamics

3.1 Introduction

3.2 The Ideal Reversible SOFC

3.3 Voltage Losses by Ohmic Resistance and by Mixing Effects by Fuel Utilisation

3.4 Thermodynamic Definition of a Fuel Cell Producing Electricity and Heat

3.5 Thermodynamic Theory of SOFC Hybrid Systems

3.6 Design Priciples of SOFC Hybrid Systems

3.7 Summary

References


Chapter 4 - Electrolyte

4.1 Introduction

4.2 Fluorite-Structured Electrolytes

4.3 Zirconia-Based Oxide Ion Conductors

4.4 Ceria-Based Oxide Ion Conductors

4.4 Fabrication of ZrO2 and CeO2-Based Electrolyte Films

4.6 Perovskite-Structured Electrolytes

4.6.1 LaAIO3

4.6.2 LaAIO3 Doped with Ca, Sr and Mg

4.6.3 LaAIO3 Doped with Transition Elements

4.7 Oxides with Other Structures

4.7.1 Brownmillerites (e.g. Ba2In2O6)

4.7.2 Non-cubic Oxides

4.8 proton-Conducting Oxides

4.9 Summary

References


Chapter 5 - Cathode

5.1 Introduction

5.2 Physical and Physicochemical Properties of Perovskite Cathode Materials

5.2.1 Lattice Structure, Oxygen Nonstoichiometry, and Valence Stability

5.2.2 Electrical Conductivity

5.2.3 Thermal Expansion

5.2.4 Surface Reaction Rate and Oxide Ion Conductivity

5.3 Reactivity of Perovskite Cathodes with ZrO2

5.3.1 Thermodynamic Considerations

5.3.1.1 Reaction of Perovskites with the Zirconia Component in YSZ

5.3.1.2 Reaction of perovskite with the yttria (dopant) component in YSZ

5.3.1.3 Interdiffusion between Perovskite and Fluorite Oxides

5.3.2 Experimental Efforts

5.3.3 Cathode/Electrolyte Reactions and Cell Performance

5.3.4 Cathodes for Intermediate Temperature SOFCs

5.4 Compatibility of Perovskite Cathodes with Interconnects

5.4.1 Compatibility of Cathodes with Oxide Interconnects

5.4.2 Compatibility of Cathodes with Metallic nterconnects

5.5 Fabrication of Cathodes

5.6 Summary

References


Chapter 6 - Anodes

6.1 Introduction

6.2 Requirements for an Anode

6.3 Choice of Cermet Anode Components

6.4 Cermet Fabrication

6.5 Anode Behaviour Under Steady-State Conditions

6.6 Anode Behaviour Under Translents Near Equilibrium

6.7 Behaviour of Anodes Under Current Loading

6.8 Operation of Anodes with Fuels other than Hydrogen

6.9 Anodes for Direct Oxidation of Hydrocarbons

6.10 Summary

References


Chapter 7 - Interconnect

7.1 Introduction

7.2 Ceramic Interconnects (Lanthanum and Yttrium Chromites)

7.2.1 Electrical Conductivity

7.2.2 Thermal Expansion

7.2.3 Thermal Conductivity

7.2.4 Mechanical Strength

7.2.5 Processing

7.3 Metallic Interconnects

7.3.1 Chromium-Based Alloys

7.3.2 Ferritic Steels

7.3.3 Other Metallic Materials

7.4 Protective Coatings and Contact Materials for Metallic Interconnects

7.5 Summary

References


Chapter 8 - Cell and Stack Designs

8.1 Introduction

8.2 Planar SOFC Design

8.2.1 Cell Fabrication

8.2.1.1 Cell Fabrication Based on Particulate Approach

8.2.1.2 Cell Fabrication Based on Deposition Approach

8.2.2 Cell and Stack Performance

8.3 Tubular SOFC Design

8.3.1 Cell Operation and Performance

8.3.2 Tubular Cell Stack

8.3.3 Alternative Tubular Cell Designs

8.4 Microtubular SOFC Design

8.4.1 Microtubular SOFC Stacks

8.5 Summary

References


Chapter 9 - Electrode Polarisations

9.1 Introduction

9.2 Ohmic Polarisation

9.3 Concentration Polarisation

9.4 Activation Polarisation

9.4.1 Cathodic Activation Polarisation

9.4.2 Anodic Activation Polarisation

9.5 Measurement of Polarisation (By Electrochemical Impedance Spectroscopy)

9.6 Summary

References


Chapter 10 - Testing of Electrodes, Cells and Short Stacks

10.1 Introduction

10.2 Testing Electrodes

10.3 Testing Cells and 'Short' Stacks

10.4 Area-Specific Resistance (ASR)

10.5 Comparison of Test Results on Electrodes and on cells

10.5.1 Non-activated Contributions to the Total Loss

10.5.2 Inaccurate Temperature Measurements

10.5.3 Cathode Performance

10.5.4 Impedance Analysis of Cells

10.6 The Problem of Gas Leakage in Cell Testing

10.6.1 Assessment of the Size of the Cas Leak

10.7 Summary

References


Chapter 11 - Cell, Stack and System Modelling

11.1 Introduction

11.2 Flow and Thermal Models

11.2.1 Mass Balance

11.2.2 Conservation of Momentum

11.2.3 Energy Balance

11.3 Continuum-Level Electrochemistry Model

11.4 Chemical Reactions and Rate Equations

11.5 Cell-and Stack-Level Modelling

11.6 System-Level Modelling

11.7 Thermomechanical Model

11.8 Electrochemical Models at the Electrode Level

11.8.1 Fundamentals and Strategy of Electrode-Level Models

11.8.2 Electrode Models Based on a Mass Transfer Analysis

11.8.3 One-Dimensional Porous Electrode Models Based on Complete Concentration, Potential, and Current Distrbutions

11.8.4 Monte Carolo or Stochastic Electrode Structure Model

11.8.4.1 Electrode or Cell Models Applied to Ohmic Resistance-Dominated Cells

11.8.4.2 Diagnostic Modelling of Electrodes to Elucidate Reaction Mechanisms

11.8.4.3 Models fo Mixed Ionic and Electronic Conducting (MIEC) Electrodes

11.9 Molecular-Level Models

11.10 Summary

References


Chapter 12 - Fuels and Fuel Processing

12.1 Introduction

12.2 Range of Fuels

12.3 Direct and Indirect Internal Reforming

12.3.1 Direct Internal Reforming

12.3.2 Indirect Internal Reforming

12.4 Reformation of Hydrocarbos by Steam, CO2 and Partial Oxidation

12.5 Direct Electrocatalytic Oxidation of Hydrocarbons

12.6 Carbon Depostion

12.7 Sulphur Tolerance and Removal

12.8 Anode Materials in the Context of Fuel Processing

12.9 Using Renewable Fuels in SOFCs

12.10 Summary

References


Chapter 13 - Systems and Applications

13.1 Introduction

13.2 Trends in the Eneergy Markets and SOFC Applicability

13.3 Competing Power Generation Systems and SOFC Applications

13.4 SOFC System Designs and Performance

13.4.1 Atmospheric SOFC Systems for Distributed Power Generation

13.4.2 Residential, Auxilliary Power and Other Atmospheric SOFC Systems

13.4.3 Pressurised SOFC/Turbine Hybrid Systems

13.4.4 System Control and Dynamics

13.4.5 SOFC System Costs

13.4.6 Example of a Specific SOFC System Application

13.5 SOFC System Demonstrations

13.5.1 Siemens Westinghouse Systems

13.5.1.1 100 kW Atmospheric SOFC System

13.5.1.2 220 Kw Pressurised SOFC/GT Hybrid System

13.5.1.3 Other Systems

13.5.2 Sulzer Hexis Systems

13.5.3 SOFC Systems of Other Companies

13.6 Summary

References







Chapter 13 - Applications and Demonstrations

Quotes and reviews

The information contained in most of the chapters is fundamental enough for the book to be useful as a textbook for students at graduate level....Scientists and researchers already active in the field will also find the book very interesting.
Paola Costamagna
DICHEP - University of Genova
Via Opera Pia 15
16145 Genova - Italy
 
 
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