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Solid oxide fuel cell technology : principles, performance and operations /
"High-temperature solid oxide fuel cell (SOFC) technology is a promising power generation option that features high electrical efficiency and low emissions of environmentally polluting gases. It is ideal for distributed stationary power generation applications where both high-efficiency electri...
| Clasificación: | Libro Electrónico |
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| Autores principales: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Cambridge, UK : Boca Raton, FL :
Woodhead Pub. ; CRC Press,
2009.
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| Colección: | Woodhead Publishing in energy.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- 2.3 Heat effects in a galvanic cell2.4 The temperature coefficient of electromotive force (EMF); 2.5 The pressure coefficient of electromotive force (EMF); 2.6 The thermal and chemical expansion coefficients; 3 Electronic properties of solids for solid oxide fuel cells (SOFCs); 3.1 General considerations; 3.2 Redox 4fn energies and polaronic conduction; 3.3 Ligand-field d-electron energies; 3.4 Localized versus itinerant d electrons; 3.5 Applications; 4 Transport of charged particles in a solid oxide fuel cell (SOFC); 4.1 General bulk transport theory.
- 4.2 Effect of electronic conduction in electrolyte on electromotive force (EMF)4.3 Application to electrolyte: steady-state Po2 distribution; 4.4 Application to electrolyte: electronic leakage current density; 4.5 Application to interconnect: steady-state Po2 distribution; 4.6 Application to interconnect: ionic leakage current density; 4.7 Pressure effect on electronic leakage current density in the electrolyte; 5 Oxide-ion electrolytes in solid oxide fuel cells (SOFCs); 5.1 Quality criteria; 5.2 Phenomenology; 5.3 Random-walk theory; 5.4 Fluorites; 5.5 Perovskites; 5.6 Other oxides.
- 6 Current, gas flow, utilization, and energy balance in a solid oxide fuel cell (SOFC)6.1 Introduction; 6.2 Fuel flow, current, and fuel utilization; 6.3 Air flow, current, and oxygen utilization; 6.4 Fuel consumption; 6.5 Calculating stack fuel composition of reformed natural gas; 6.6 Energy balance in a solid oxide fuel cell system; 7 Voltage losses in a solid oxide fuel cell (SOFC); 7.1 Ohmic polarization; 7.2 Activation polarization; 7.3 Concentration polarization; 7.4 A combined activation and concentration polarization of the cathode.
- 7.5 Distributions of electromotive force and current density7.6 Effect of leakage flux on the voltage-current curve; 8 Direct current (DC) electrical efficiency and power of a solid oxide fuel cell (SOFC); 8.1 Direct current electrical efficiency; 8.2 Efficiency, fuel utilization, and electrical power; 8.3 The maximum direct current electrical efficiency; 8.4 Effect of the system pressure on direct current electrical efficiency; 9 Performance characterization techniques for a solid oxide fuel cell (SOFC) and its components; 9.1 Electrochemical impedance spectroscopy.
- Cover; Solid oxide fuel cell technology: Principles, performance and operations; Copyright; Contents; Author contact details; Preface; 1 Introduction to solid oxide fuel cells (SOFCs); 1.1 A brief history of the solid oxide fuel cell (SOFC); 1.2 Advantages of the solid oxide fuel cell; 1.3 Applications of solid oxide fuel cells; 1.4 Solid oxide fuel cell components and functionality; 1.5 Solid oxide fuel cell designs; 2 Thermodynamics of the solid oxide fuel cell (SOFC); 2.1 Electromotive force (EMF) and Gibbs free energy change (?G); 2.2 Effect of concentration on electromotive force (EMF)