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Sofc Modelling And Parameter Identification By Means Of Impedance Spectroscopy
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Book Synopsis SOFC Modelling and Parameter Identification by Means of Impedance Spectroscopy by : André Leonide
Download or read book SOFC Modelling and Parameter Identification by Means of Impedance Spectroscopy written by André Leonide and published by KIT Scientific Publishing. This book was released on 2010 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: A high resolution electrochemical impedance spectroscopy study on anode supported single cells (ASC) is presented. The cells were characterised over a broad range of operating conditions, including different temperatures, current densities and various cathode and anode gas compositions.The analysis of the distribution of relaxation times combined with the numeric accuracy of a CNLS fit enabled the identification of five different processes contributing to the total polarisation loss of an ASC.
Book Synopsis Impedance in Electrochemistry — From Analytical Applications to Mechanistic Speculation 2 by : P. Vanýsek
Download or read book Impedance in Electrochemistry — From Analytical Applications to Mechanistic Speculation 2 written by P. Vanýsek and published by The Electrochemical Society. This book was released on 2009-10 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Impedance spectroscopy, as a method, is becoming a fixture of the instrumental arsenal. However, due to its complexity, the interpretation of impedance results is far from commonplace. The aim of this symposium was to provide forum for new approaches and uses (the Analytical Speculations part) as well as for rigorous attempt at the interpretation, going all the way to the fundamental mechanistic cause and effect.
Book Synopsis The Electrochemical Oxidation of H2 and CO at Patterned Ni Anodes of SOFCs by : Annika Utz
Download or read book The Electrochemical Oxidation of H2 and CO at Patterned Ni Anodes of SOFCs written by Annika Utz and published by KIT Scientific Publishing. This book was released on 2014-08-22 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, a deeper understanding of the electrochemical oxidation at SOFC anodes was gained by the experimental characterization of patterned Ni anodes in H2-H2O and CO-CO2 atmosphere. By high resolution data analysis, the Line Specific Resistance attributed to charge transfer and its dependencies on gas composition, temperature and polarization voltage were identified. Furthermore, the comparison of the performance of patterned and cermet anodes was enabled using a transmission line model.
Book Synopsis Physically based Impedance Modelling of Lithium-Ion Cells by : Illig, Joerg
Download or read book Physically based Impedance Modelling of Lithium-Ion Cells written by Illig, Joerg and published by KIT Scientific Publishing. This book was released on 2014-09-19 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, a new procedure to analyze lithium-ion cells is introduced. The cells are disassembled to analyze their components in experimental cell housings. Then, Electrochemical Impedance Spectroscopy, time domain measurements and the Distribution function of Relaxation Times are applied to obtain a deep understanding of the relevant loss processes. This procedure yields a notable surplus of information about the electrode contributions to the overall internal resistance of the cell.
Book Synopsis Microstructural Characterisation, Modelling and Simulation of Solid Oxide Fuel Cell Cathodes by : Joos, Jochen
Download or read book Microstructural Characterisation, Modelling and Simulation of Solid Oxide Fuel Cell Cathodes written by Joos, Jochen and published by KIT Scientific Publishing. This book was released on 2017-06-29 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work deals with microstructural characterisation, modelling and simulation of SOFC electrodes with the goal of optimizing the electrode microstructures. Methods for a detailed electrode analysis based on focused ion beam (FIB) tomography are presented. A 3D FEM model able to perform simulations of LSCF cathodes based on 3D tomography data is shown. A model generating realistic, yet synthetic microstructures is presented that enables the optimization of microstructural characteristics.
Book Synopsis Finite Element Method (FEM) Model and Performance Analysis of Solid Oxide Fuel Cells by : Geisler, Helge Ingolf
Download or read book Finite Element Method (FEM) Model and Performance Analysis of Solid Oxide Fuel Cells written by Geisler, Helge Ingolf and published by KIT Scientific Publishing. This book was released on 2019-07-10 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents a numerical FEM framework, capable of predicting SOFC performance under technically relevant, planar stack contacting conditions. A high level of confidence in the model predictions is supplied by using exclusively experimentally determined material/kinetic parameters and by a comprehensive validation. The presented model aids SOFC stack development by pre-evaluating possible material choices and design combinations for cells/interconnectors without any experimental effort.
Book Synopsis Advances in Medium and High Temperature Solid Oxide Fuel Cell Technology by : Marta Boaro
Download or read book Advances in Medium and High Temperature Solid Oxide Fuel Cell Technology written by Marta Boaro and published by Springer. This book was released on 2016-11-24 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book well-known experts highlight cutting-edge research priorities and discuss the state of the art in the field of solid oxide fuel cells giving an update on specific subjects such as protonic conductors, interconnects, electrocatalytic and catalytic processes and modelling approaches.Fundamentals and advances in this field are illustrated to help young researchers address issues in the characterization of materials and in the analysis of processes, not often tackled in scholarly books.
Book Synopsis Characterization and Modeling of Electrochemical Energy Conversion Systems by Impedance Techniques by : Dino Klotz
Download or read book Characterization and Modeling of Electrochemical Energy Conversion Systems by Impedance Techniques written by Dino Klotz and published by KIT Scientific Publishing. This book was released on 2014-07-30 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis introduces (i) amendments to basic electrochemical measurement techniques in the time and frequency domain suitable for electrochemical energy conversion systems like fuel cells and batteries, which enable shorter measurement times and improved precision in both measurement and parameter identification, and (ii) a modeling approach that is able to simulate a technically relevant system just by information gained through static and impedance measurements of laboratory size cells.
Book Synopsis Model-based Interpretation of the Performance and Degradation of Reformate Fueled Solid Oxide Fuel Cells by : Alexander Kromp
Download or read book Model-based Interpretation of the Performance and Degradation of Reformate Fueled Solid Oxide Fuel Cells written by Alexander Kromp and published by KIT Scientific Publishing. This book was released on 2014-05-12 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid oxide fuel cells offer great prospects for the sustainable, clean and safe conversion of various fuels into electrical energy. In this thesis, the performance-determining loss processes for the cell operation on reformate fuels are elucidated via electrochemical impedance spectroscopy. Model-based analyses reveal the electrochemical fuel oxidation mechanism, the coupling of fuel gas transport and reforming chemistry and the impact of fuel impurities on the degradation of each loss process.
Book Synopsis Gas Transport in Solid Oxide Fuel Cells by : Weidong He
Download or read book Gas Transport in Solid Oxide Fuel Cells written by Weidong He and published by Springer. This book was released on 2014-09-03 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of contemporary research and emerging measurement technologies associated with gas transport in solid oxide fuel cells. Within these pages, an introduction to the concept of gas diffusion in solid oxide fuel cells is presented. This book also discusses the history and underlying fundamental mechanisms of gas diffusion in solid oxide fuel cells, general theoretical mathematical models for gas diffusion, and traditional and advanced techniques for gas diffusivity measurement.
Book Synopsis Electrochemical Performance and Stability of Ba₀.₅Sr₀.₅Co₀.₈Fe₀.₂O₃₋δ for Oxygen Transport Membranes by : Niedrig, Christian
Download or read book Electrochemical Performance and Stability of Ba₀.₅Sr₀.₅Co₀.₈Fe₀.₂O₃₋δ for Oxygen Transport Membranes written by Niedrig, Christian and published by KIT Scientific Publishing. This book was released on 2015-12-23 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mixed ionic-electronic conducting (MIEC) ceramics as oxygen transport membranes (OTMs) can provide high oxygen permeation rates at comparably low energy demands. For this purpose, Ba?.?Sr?.?Co?.?Fe?.?O??? (BSCF) shows the best performance under ideal operating conditions. Thermal and chemical stability investigations, electrical behavior ?(T,pO?,t), and oxygen exchange parameter extraction by means of electrical conductivity relaxation resulted in a far better understanding of the BSCF system.
Book Synopsis Electrochemical Impedance Spectroscopy and its Applications by : Andrzej Lasia
Download or read book Electrochemical Impedance Spectroscopy and its Applications written by Andrzej Lasia and published by Springer. This book was released on 2014-06-17 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a complete overview of the powerful but often misused technique of Electrochemical Impedance Spectroscopy (EIS). The book presents a systematic and complete overview of EIS. The book carefully describes EIS and its application in studies of electrocatalytic reactions and other electrochemical processes of practical interest. This book is directed towards graduate students and researchers in Electrochemistry. Concepts are illustrated through detailed graphics and numerous examples. The book also includes practice problems. Additional materials and solutions are available online.
Book Synopsis Electrochemical Impedance Spectroscopy in PEM Fuel Cells by : Xiao-Zi (Riny) Yuan
Download or read book Electrochemical Impedance Spectroscopy in PEM Fuel Cells written by Xiao-Zi (Riny) Yuan and published by Springer Science & Business Media. This book was released on 2009-11-25 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Electrochemical Impedance Spectroscopy in PEM Fuel Cells" discusses one of the most powerful and useful diagnostic tools for various aspects of the study of fuel cells: electrochemical impedance spectroscopy (EIS). This comprehensive reference on EIS fundamentals and applications in fuel cells contains information about basic principles, measurements, and fuel cell applications of the EIS technique. Many illustrated examples are provided to ensure maximum clarity and observability of the spectra. "Electrochemical Impedance Spectroscopy in PEM Fuel Cells" will enable readers to explore the frontiers of EIS technology in PEM fuel cell research and other electrochemical systems. As well as being a useful text for electrochemists, it can also help researchers who are unfamiliar with EIS to learn the technique quickly and to use it correctly in their fuel cell research. Managers or entrepreneurs may also find this book a useful guide to accessing the challenges and opportunities in fuel cell technology.
Download or read book Fuel Cell Engineering written by and published by Academic Press. This book was released on 2012-08-14 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel cells are attractive electrochemical energy converters featuring potentially very high thermodynamic efficiency factors. The focus of this volume of Advances in Chemical Engineering is on quantitative approaches, particularly based on chemical engineering principles, to analyze, control and optimize the steady state and dynamic behavior of low and high temperature fuel cells (PEMFC, DMFC, SOFC) to be applied in mobile and stationary systems. - Updates and informs the reader on the latest research findings using original reviews - Written by leading industry experts and scholars - Reviews and analyzes developments in the field
Book Synopsis Solid Oxide Fuel Cell Lifetime and Reliability by : Nigel Brandon
Download or read book Solid Oxide Fuel Cell Lifetime and Reliability written by Nigel Brandon and published by Academic Press. This book was released on 2017-05-23 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid Oxide Fuel Cell Lifetime and Reliability: Critical Challenges in Fuel Cells presents in one volume the most recent research that aims at solving key issues for the deployment of SOFC at a commercial scale and for a wider range of applications. To achieve that, authors from different regions and backgrounds address topics such as electrolytes, contaminants, redox cycling, gas-tight seals, and electrode microstructure. Lifetime issues for particular elements of the fuel cells, like cathodes, interconnects, and fuel processors, are covered as well as new materials. They also examine the balance of SOFC plants, correlations between structure and electrochemical performance, methods for analysis of performance and degradation assessment, and computational and statistical approaches to quantify degradation. For its holistic approach, this book can be used both as an introduction to these issues and a reference resource for all involved in research and application of solid oxide fuel cells, especially those developing understanding in industrial applications of the lifetime issues. This includes researchers in academia and industrial R&D, graduate students and professionals in energy engineering, electrochemistry, and materials sciences for energy applications. It might also be of particular interest to analysts who are looking into integrating SOFCs into energy systems. - Brings together in a single volume leading research and expert thinking around the broad topic of SOFC lifetime and durability - Explores issues that affect solid oxide fuel cells elements, materials, and systems with a holistic approach - Provides a practical reference for overcoming some of the common failure mechanisms of SOFCs - Features coverage of integrating SOFCs into energy systems
Book Synopsis High-temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications by : S.C. Singhal
Download or read book High-temperature Solid Oxide Fuel Cells: Fundamentals, Design and Applications written by S.C. Singhal and published by Elsevier. This book was released on 2003-12-08 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Hydrogen Energy Engineering by : Kazunari Sasaki
Download or read book Hydrogen Energy Engineering written by Kazunari Sasaki and published by Springer. This book was released on 2016-09-07 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the fundamental principles and latest research findings in hydrogen energy fields including: hydrogen production, hydrogen storage, fuel cells, hydrogen safety, economics, and the impact on society. Further, the book introduces the latest development trends in practical applications, especially in commercial household fuel cells and commercial fuel cell vehicles in Japan. This book not only helps readers to further their basic knowledge, but also presents the state of the art of hydrogen-energy-related research and development. This work serves as an excellent reference for beginners such as graduate students, as well as a handbook and systematic summary of entire hydrogen-energy systems for scientists and engineers.
