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Solid State Proton Conductors : Properties and Applications in Fuel Cells.
Proton conduction can be found in many different solid materials, from organic polymers at room temperature to inorganic oxides at high temperature. Solid state proton conductors are of central interest for many technological innovations, including hydrogen and humidity sensors, membranes for water...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Chicester :
John Wiley & Sons,
2012.
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| Edición: | 2nd ed. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Solid State Proton Conductors: Properties and Applications in Fuel Cells; Contents; Preface; About the Editors; Contributing Authors; 1 Introduction and Overview: Protons, the Nonconformist Ions; 1.1 Brief History of the Field; 1.2 Structure of This Book; References; 2 Morphology and Structure of Solid Acids; 2.1 Introduction; 2.1.1 Preparation Technique of Solid Acids; 2.1.2 Imaging Technique with the Scanning Electron Microscope; 2.2 Crystal Morphology and Structure of Solid Acids; 2.2.1 Hydrohalic Acids; 2.2.2 Main Group Element Oxoacids; 2.2.3 Transition Metal Oxoacids.
- 2.2.4 Carboxylic AcidsReferences; 3 Diffusion in Solid Proton Conductors: Theoretical Aspects and Nuclear Magnetic Resonance Analysis; 3.1 Fundamentals of Diffusion; 3.1.1 Phenomenology of Diffusion; 3.1.2 Solutions of the Diffusion Equation; 3.1.3 Diffusion Coefficients and Proton Conduction; 3.1.4 Measurement of the Diffusion Coefficient; 3.2 Basic Principles of NMR; 3.2.1 Description of the Main NMR Techniques Used in Measuring Diffusion Coefficients; 3.3 Application of NMR Techniques; 3.3.1 Polymeric Proton Conductors; 3.3.2 Inorganic Proton Conductors.
- 3.4 Liquid Water Visualization in Proton-Conducting Membranes by Nuclear Magnetic Resonance Imaging3.5 Conclusions; References; 4 Structure and Diffusivity in Proton-Conducting Membranes Studied by Quasielastic Neutron Scattering; 4.1 Survey; 4.2 Diffusion in Solids and Liquids; 4.3 Quasielastic Neutron Scattering: A Brief Introduction; 4.4 Proton Diffusion in Membranes; 4.4.1 Microstructure by Means of SAXS and SANS; 4.4.2 Proton Conductivity and Water Diffusion; 4.4.3 QENS Studies; 4.5 Solid State Proton Conductors; 4.5.1 Aliovalently Doped Perovskites; 4.5.2 Hydrogen-Bonded Systems.
- 4.6 Concluding RemarksReferences; 5 Broadband Dielectric Spectroscopy: A Powerful Tool for the Determination of Charge Transfer Mechanisms in Ion Conductors; 5.1 Basic Principles; 5.1.1 The Interaction of Matter with Electromagnetic Fields: The Maxwell Equations; 5.1.2 Electric Response in Terms of e*m, s*m, and Z*m ; 5.2 Phenomenological Background of Electric Properties in a Time-Dependent Field; 5.2.1 Polarization Events; 5.3 Theory of Dielectric Relaxation; 5.3.1 Dielectric Relaxation Modes of Macromolecular Systems.
- 5.3.2 A General Equation for the Analysis in the Frequency Domain of s* and e* 5.4 Analysis of Electric Spectra; 5.5 Broadband Dielectric Spectroscopy Measurement Techniques; 5.5.1 Measurement Systems; 5.5.2 Contacts; 5.5.3 Calibration; 5.5.4 Calibration in Parallel Plate Methods; 5.5.5 Measurement Accuracy; 5.6 Concluding Remarks; References; 6 Mechanical and Dynamic Mechanical Analysis of Proton-Conducting Polymers; 6.1 Introduction; 6.1.1 Molecular Configurations: The Morphology and Microstructure of Polymers; 6.1.2 Molecular Motions.