Microstructural Characterisation Modelling And Simulation Of Solid Oxide Fuel Cell Cathodes

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Microstructural Characterisation Modelling And Simulation Of Solid Oxide Fuel Cell Cathodes
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Author : Joos, Jochen
language : en
Publisher: KIT Scientific Publishing
Release Date : 2017-06-29
Microstructural Characterisation Modelling And Simulation Of Solid Oxide Fuel Cell Cathodes written by Joos, Jochen and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-29 with Technology (General) categories.
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.
Microstructural Characterisation Modelling And Simulation Of Solid Oxide Fuel Cell Cathodes
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Author : Jochen Joos
language : en
Publisher:
Release Date : 2020-10-09
Microstructural Characterisation Modelling And Simulation Of Solid Oxide Fuel Cell Cathodes written by Jochen Joos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Science categories.
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. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Understanding Degradation Phenomena In Solid Oxide Fuel Cell Anodes By Phase Field Modeling And Analytics
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Author : Hoffrogge, Paul Wilhelm
language : en
Publisher: KIT Scientific Publishing
Release Date : 2024-10-09
Understanding Degradation Phenomena In Solid Oxide Fuel Cell Anodes By Phase Field Modeling And Analytics written by Hoffrogge, Paul Wilhelm and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-10-09 with categories.
The current work analyzes degradation effects in solid-oxide fuel cell anodes with the phase-field method. A model extension for interface diffusion is formulated and calibrated. Large-scale 3D-simulations provide interesting insights into phenomena at the microscale which are responsible for the degradation
Finite Element Method Fem Model And Performance Analysis Of Solid Oxide Fuel Cells
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Author : Geisler, Helge Ingolf
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-07-10
Finite Element Method Fem Model And Performance Analysis Of Solid Oxide Fuel Cells written by Geisler, Helge Ingolf and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-10 with Technology & Engineering categories.
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.
Solid Oxide Fuel Cell Lifetime And Reliability
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Author : Nigel Brandon
language : en
Publisher: Academic Press
Release Date : 2017-05-23
Solid Oxide Fuel Cell Lifetime And Reliability written by Nigel Brandon and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-23 with Technology & Engineering categories.
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
High Temperature Solid Oxide Cells
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Author : Junwei Wu
language : en
Publisher: Frontiers Media SA
Release Date : 2021-11-05
High Temperature Solid Oxide Cells written by Junwei Wu and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-05 with Science categories.
Modellgest Tzte Analyse Des Stackbetriebs Von Festoxidzellen
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Author : Russner, Niklas
language : de
Publisher: KIT Scientific Publishing
Release Date : 2022-03-29
Modellgest Tzte Analyse Des Stackbetriebs Von Festoxidzellen written by Russner, Niklas and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-29 with Technology & Engineering categories.
In dieser Arbeit wird der Stackbetrieb von Festoxidzellen (engl. Solid Oxide Cells, SOCs) mit Hilfe eines Simulationsmodells analysiert. Hierfür werden sämtliche gekoppelten physikalischen und chemischen Teilprozesse innerhalb einer zweidimensionalen Geometrie einer einzelnen Stackebene abgebildet. Nach der Parametrierung mit experimentellen Daten und einer umfangreichen Validierung, wird das Modell auf drei Fragestellungen der SOC-Technologie angewendet. - In this work, the stack operation of solid oxide cells (SOCs) is analyzed by a simulation model. For this purpose, all coupled physical and chemical sub-processes are represented within a two-dimensional geometry of a single stack level. After parameterization with experimental data and extensive validation, the model is applied to three research issues in SOC technology.
Mehrskalige Charakterisierung Der Hochtemperatur Brennstoffzelle Sofc
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Author : Wankmüller, Florian
language : de
Publisher: KIT Scientific Publishing
Release Date : 2022-03-07
Mehrskalige Charakterisierung Der Hochtemperatur Brennstoffzelle Sofc written by Wankmüller, Florian and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-07 with Science categories.
Die Hochtemperatur-Brennstoffzelle (SOFC) als Strom- und Wärmeproduzent der Zukunft stellt eine wichtige Schlüsseltechnologie für eine klimafreundliche Energieversorgung dar. Vorrangige Entwicklungsziele sind die Verbesserung der Lebensdauer und die Verringerung der Kosten der SOFC-Komponenten. In dieser Arbeit werden mikrostrukturelle Veränderungen, die während der Zellherstellung und im Betrieb (Alterungsverlauf) auftreten, durch den Einsatz mehrskaliger Untersuchungsmethoden identifiziert. - The solid oxide fuel cell (SOFC) as electricity and heat producer of the future represents a key technology in the context of a climate-friendly energy supply. Research focuses on the improvement of the lifetime and cost reduction of the SOFC components. In this work, microstructural changes that occur during cell production and operation (aging process) are identified by multiscale examination methods.
Carbon Dioxide Reduction Through Advanced Conversion And Utilization Technologies
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Author : Yun Zheng
language : en
Publisher: CRC Press
Release Date : 2019-05-03
Carbon Dioxide Reduction Through Advanced Conversion And Utilization Technologies written by Yun Zheng and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-03 with Science categories.
Carbon Dioxide Reduction through Advanced Conversion and Utilization Technologies covers fundamentals, advanced conversion technologies, economic feasibility analysis, and future research directions in the field of CO2 conversion and utilization. This book emphasizes principles of various conversion technologies for CO2 reduction such as enzymatic conversion, mineralization, thermochemical, photochemical, and electrochemical processes. It addresses materials, components, assembly and manufacturing, degradation mechanisms, challenges, and development strategies. Applications of conversion technologies for CO2 reduction to produce useful fuels and chemicals in energy and industrial systems are discussed as solutions to reduce greenhouse effects and energy shortages. Particularly, the advanced materials and technology of high temperature co-electrolysis of H2O and CO2 to produce sustainable fuels using solid oxide cells (SOCs) are reviewed and the introduction, fundamentals, and some significant topics regarding this CO2 conversion process are discussed. This book provides a comprehensive and clear picture of advanced technologies in CO2 conversion and utilization. Written in a clear and detailed manner, it is suitable for students as well as industry professionals, researchers, and academics.
Tortuosity And Microstructure Effects In Porous Media
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Author : Lorenz Holzer
language : en
Publisher: Springer Nature
Release Date : 2023-07-31
Tortuosity And Microstructure Effects In Porous Media written by Lorenz Holzer and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-31 with Science categories.
This open access book presents a thorough look at tortuosity and microstructure effects in porous materials. The book delivers a comprehensive review of the subject, summarizing all key results in the field with respect to the underlying theories, empirical data available in the literature, modern methodologies and calculation approaches, and quantitative relationships between microscopic and macroscopic properties. It thoroughly discusses up to 20 different types of tortuosity and introduces a new classification scheme and nomenclature based on direct geometric tortuosities, indirect physics-based tortuosities, and mixed tortuosities (geometric and physics-based). The book also covers recent progress in 3D imaging and image modeling for studying novel aspects of tortuosity and associated transport properties in materials, while providing a comprehensive list of available software packages for practitioners in the community. This book is a must-read for researchers and students in materials science and engineering interested in a deeper understanding of microstructure–property relationships in porous materials. For energy materials in particular, such as lithium-ion batteries, tortuosity is a key microstructural parameter that can greatly impact long-term material performance. Thus, the information laid out in this book will also greatly benefit researchers interested in computational modeling and design of next-generation materials, especially those for sustainability and energy applications.