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Detailed Fuel Cell Modeling For Coal Based Integrated Gasification Fuel Cell System Design And Analysis
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Book Synopsis Detailed Fuel Cell Modeling for Coal-based Integrated Gasification Fuel Cell System Design and Analysis by : Mu LI
Download or read book Detailed Fuel Cell Modeling for Coal-based Integrated Gasification Fuel Cell System Design and Analysis written by Mu LI and published by . This book was released on 2010 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrated gasification fuel cell (IGFC) systems that combine coal gasification and solid oxide fuel cells (SOFC) are promising for highly efficient and environmentally friendly utilization of coal for power production. In this work, a dimensional finite volume model for planar SOFC has been developed for IGFC system design and analysis. The model can simulate SOFC overall performance and detailed internal profiles of species mole fractions, temperature, current density, and electrochemical losses. The model is capable of supporting recent SOFC improvements, including anode-supported design, the use of metallic interconnects, and reduced polarization losses. Sensitivity analysis is conducted to identify activation polarization parameters appropriate for modern SOFC modeling. The model is verified using literature available data and compared with state-of-the-art SOFC experimental data. Model results are shown for SOFC operation on humidified H2 and CH4-containing syngas, under co-, counter- or cross-flow configurations. The effects of fuel compositions and flow configurations on SOFC performance and thermal profiles are evaluated, and the implications of these results for system design and analysis are discussed. Innovative IGFC designs are analyzed in Aspen Plus first by employing a non-dimensional SOFC model. The sensitivity of IGFC thermal performance on the extent of carbon capture is also investigated. The most promising system identified consists of catalytic hydro-gasification, low-temperature gas cleaning, a hybrid fuel cell-gas turbine power block, and uniquely features recycling of the de-carbonized, humidified anode exhaust back to the hydro-gasifier. This system serves as a "baseline" case in the following work. The developed dimensional SOFC model is linked with Aspen Plus and employed for IGFC system analysis. The results further confirm the necessity of employing a dimensional SOFC model in IGFC design. To maintain the SOFC internal temperature within a safe operating range, the required cooling air flow rate is much larger than predicted by the non-dimensional SOFC model, which results in a large air compressor load and severely reduces the system efficiency. Options to mitigate the problem and improve IGFC performance are investigated and a design with staged SOFC stacks and cascading air flow can achieve a system efficiency of close to that of the baseline case.
Download or read book Fuel Cells written by Bei Gou and published by CRC Press. This book was released on 2017-12-19 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel Cells: Modeling, Control, and Applications describes advanced research results on modeling and control designs for fuel cells and their hybrid energy systems. Filled with simulation examples and test results, it provides detailed discussions on fuel cell modeling, analysis, and nonlinear control. The book begins with an introduction to fuel cells and fuel cell power systems as well as the fundamentals of fuel cell systems and their components. It then presents the linear and nonlinear modeling of fuel cell dynamics, before discussing typical approaches of linear and nonlinear modeling and control design methods for fuel cells. The authors also explore the Simulink implementation of fuel cells, including the modeling of PEM fuel cells and control designs. They cover the applications of fuel cells in vehicles, utility power systems, stand-alone systems, and hybrid renewable energy systems. The book concludes with the modeling and analysis of hybrid renewable energy systems, which integrate fuel cells, wind power, and solar power. Mathematical preliminaries on linear and nonlinear control are provided in an appendix. With the need for alternative power well established, we are seeing unprecedented research in fuel cell technology. Written by scientists directly involved with the research, this book presents approaches and achievements in the linear and nonlinear modeling and control design of PEM fuel cells.
Book Synopsis Modelling and Process Control of Fuel Cell Systems by : Mohd Azlan Hussain
Download or read book Modelling and Process Control of Fuel Cell Systems written by Mohd Azlan Hussain and published by MDPI. This book was released on 2021-03-25 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Special Issue, we have several papers related to fuel-cell-based cogeneration systems; the management and control of fuel cell systems; the analysis, simulation, and operation of different types of fuel cells; modelling and online experimental validation; and the environment assessment of cathode materials in lithium-ion battery energy generation systems. A paper which gives a comprehensive review with technical guidelines for the design and operation of fuel cells, especially in a cogeneration system setup, which can be an important source of references for the optimal design and operation of various types of fuel cells in cogeneration systems, can also be found in this Special Issue.
Book Synopsis Hybrid Systems Based on Solid Oxide Fuel Cells by : Mario L. Ferrari
Download or read book Hybrid Systems Based on Solid Oxide Fuel Cells written by Mario L. Ferrari and published by John Wiley & Sons. This book was released on 2017-06-12 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to the modelling and design of solid oxide fuel cell hybrid power plants This book explores all technical aspects of solid oxide fuel cell (SOFC) hybrid systems and proposes solutions to a range of technical problems that can arise from component integration. Following a general introduction to the state-of-the-art in SOFC hybrid systems, the authors focus on fuel cell technology, including the components required to operate with standard fuels. Micro-gas turbine (mGT) technology for hybrid systems is discussed, with special attention given to issues related to the coupling of SOFCs with mGTs. Throughout the book emphasis is placed on dynamic issues, including control systems used to avoid risk conditions. With an eye to mitigating the high costs and risks incurred with the building and use of prototype hybrid systems, the authors demonstrate a proven, economically feasible approach to obtaining important experimental results using simplified plants that simulate both generic and detailed system-level behaviour using emulators. Computational models and experimental plants are developed to support the analysis of SOFC hybrid systems, including models appropriate for design, development and performance analysis at both component and system levels. Presents models for a range of size units, technology variations, unit coupling dynamics and start-up and shutdown behaviours Focuses on SOFCs integration with mGTs in light of key constraints and risk avoidance issues under steady-state conditions and during transient operations Identifies interaction and coupling problems within the GT/SOFC environment, including exergy analysis and optimization Demonstrates an economical approach to obtaining important experimental results while avoiding high-cost components and risk conditions Presents analytical/computational and experimental tools for the efficient design and development of hardware and software systems Hybrid Systems Based on Solid Oxide Fuel Cells: Modelling and Design is a valuable resource for researchers and practicing engineers involved in fuel cell fundamentals, design and development. It is also an excellent reference for academic researchers and advanced-level students exploring fuel cell technology.
Book Synopsis Molten Carbonate Fuel Cells by : Kai Sundmacher
Download or read book Molten Carbonate Fuel Cells written by Kai Sundmacher and published by John Wiley & Sons. This book was released on 2007-09-24 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adopting a unique, integrated engineering approach, this text simultaneously covers all aspects of design and operation, process analysis, optimization, monitoring and control. It clearly presents the multiple advantages of molten carbonate fuel cells for the efficient conversion of energy, and also includes recent developments in this innovative technology. The whole is rounded off by an appendix featuring benchmark problems with equations and parameters. Vital reading for process, chemical and power engineers, as well as those working in power technology, chemists and electrochemists, materials scientists, and energy-supplying companies.
Download or read book Fuel Cells written by Bei Gou and published by CRC Press. This book was released on 2016-08-05 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes advanced research results on Modeling and Control designs for Fuel Cells and their hybrid energy systems. Filled with simulation examples and test results, it provides detailed discussions on Fuel Cell Modeling, Analysis, and Nonlinear control. Beginning with an introduction to Fuel Cells and Fuel Cell Power Systems, as well as the fundamentals of Fuel Cell Systems and their components, it then presents the Linear and Nonlinear modeling of Fuel Cell Dynamics. Typical approaches of Linear and Nonlinear Modeling and Control Design methods for Fuel Cells are also discussed. The authors explore the Simulink implementation of Fuel Cells, including the modeling of PEM Fuel Cells and Control Designs. They cover the applications of Fuel cells in vehicles, utility power systems, and stand-alone systems, which integrate Fuel Cells, Wind Power, and Solar Power. Mathematical preliminaries on Linear and Nonlinear Control are provided in an appendix.
Book Synopsis Fuel Cell Modeling and Simulation by : Gholam Reza Molaeimanesh
Download or read book Fuel Cell Modeling and Simulation written by Gholam Reza Molaeimanesh and published by Elsevier. This book was released on 2022-11-12 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel Cell Modeling and Simulation: From Micro-Scale to Macro-Scale provides a comprehensive guide to the numerical model and simulation of fuel cell systems and related devices, with easy-to-follow instructions to help optimize analysis, design and control. With a focus on commercialized PEM and solid-oxide fuel cells, the book provides decision-making tools for each stage of the modeling process, including required accuracy and available computational capacity. Readers are guided through the process of developing bespoke fuel cell models for their specific needs. This book provides a step-by-step guide to the fundamentals of fuel cell modeling that is ideal for students, researchers and industry engineers working with fuel cell systems, but it will also be a great repository of knowledge for those involved with electric vehicles, batteries and computational fluid dynamics. Offers step-by-step guidance on the simulation of PEMFC and SOFC Provides an appendix of source codes for modeling, simulation and optimization algorithms Addresses the fundamental thermodynamics and reaction kinetics of fuel cells, fuel cell electric vehicles (FCEVs) and fuel cell power plant chapters
Download or read book Fuel Cells written by Shripad T. Revankar and published by CRC Press. This book was released on 2016-04-19 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel Cells: Principles, Design, and Analysis considers the latest advances in fuel cell system development and deployment, and was written with engineering and science students in mind. This book provides readers with the fundamentals of fuel cell operation and design, and incorporates techniques and methods designed to analyze different fuel cell
Book Synopsis Advanced Methods of Solid Oxide Fuel Cell Modeling by : Jarosław Milewski
Download or read book Advanced Methods of Solid Oxide Fuel Cell Modeling written by Jarosław Milewski and published by Springer Science & Business Media. This book was released on 2011-03-04 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel cells are widely regarded as the future of the power and transportation industries. Intensive research in this area now requires new methods of fuel cell operation modeling and cell design. Typical mathematical models are based on the physical process description of fuel cells and require a detailed knowledge of the microscopic properties that govern both chemical and electrochemical reactions. Advanced Methods of Solid Oxide Fuel Cell Modeling proposes the alternative methodology of generalized artificial neural networks (ANN) solid oxide fuel cell (SOFC) modeling. Advanced Methods of Solid Oxide Fuel Cell Modeling provides a comprehensive description of modern fuel cell theory and a guide to the mathematical modeling of SOFCs, with particular emphasis on the use of ANNs. Up to now, most of the equations involved in SOFC models have required the addition of numerous factors that are difficult to determine. The artificial neural network (ANN) can be applied to simulate an object’s behavior without an algorithmic solution, merely by utilizing available experimental data. The ANN methodology discussed in Advanced Methods of Solid Oxide Fuel Cell Modeling can be used by both researchers and professionals to optimize SOFC design. Readers will have access to detailed material on universal fuel cell modeling and design process optimization, and will also be able to discover comprehensive information on fuel cells and artificial intelligence theory.
Book Synopsis Modeling and Control of Fuel Cells by : M. H. Nehrir
Download or read book Modeling and Control of Fuel Cells written by M. H. Nehrir and published by John Wiley & Sons. This book was released on 2009-03-11 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The only book available on fuel cell modeling and control with distributed power generation applications The emerging fuel cell (FC) technology is growing rapidly in its applications from small-scale portable electronics to large-scale power generation. This book gives students, engineers, and scientists a solid understanding of the FC dynamic modeling and controller design to adapt FCs to particular applications in distributed power generation. The book begins with a fascinating introduction to the subject, including a brief history of the U.S. electric utility formation and restructuring. Next, it provides coverage of power deregulation and distributed generation (DG), DG types, fuel cell DGs, and the hydrogen economy. Building on that foundation, it covers: Principle operations of fuel cells Dynamic modeling and simulation of PEM and solid-oxide fuel cells Principle operations and modeling of electrolyzers Power electronic interfacing circuits for fuel cell applications Control of grid-connected and stand-alone fuel cell power generation systems Hybrid fuel cell–based energy system case studies Present challenges and the future of fuel cells MATLAB/SIMULINK-based models and their applications are available via a companion Web site. Modeling and Control of Fuel Cells is an excellent reference book for students and professionals in electrical, chemical, and mechanical engineering and scientists working in the FC area.
Book Synopsis Fuel Cell Science and Engineering, 2 Volume Set by : Detlef Stolten
Download or read book Fuel Cell Science and Engineering, 2 Volume Set written by Detlef Stolten and published by John Wiley & Sons. This book was released on 2012-05-21 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel cells are expected to play a major role in the future power supply that will transform to renewable, decentralized and fluctuating primary energies. At the same time the share of electric power will continually increase at the expense of thermal and mechanical energy not just in transportation, but also in households. Hydrogen as a perfect fuel for fuel cells and an outstanding and efficient means of bulk storage for renewable energy will spearhead this development together with fuel cells. Moreover, small fuel cells hold great potential for portable devices such as gadgets and medical applications such as pacemakers. This handbook will explore specific fuel cells within and beyond the mainstream development and focuses on materials and production processes for both SOFC and lowtemperature fuel cells, analytics and diagnostics for fuel cells, modeling and simulation as well as balance of plant design and components. As fuel cells are getting increasingly sophisticated and industrially developed the issues of quality assurance and methodology of development are included in this handbook. The contributions to this book come from an international panel of experts from academia, industry, institutions and government. This handbook is oriented toward people looking for detailed information on specific fuel cell types, their materials, production processes, modeling and analytics. Overview information on the contrary on mainstream fuel cells and applications are provided in the book 'Hydrogen and Fuel Cells', published in 2010.
Book Synopsis Designing and Building Fuel Cells by : Colleen Spiegel
Download or read book Designing and Building Fuel Cells written by Colleen Spiegel and published by McGraw Hill Professional. This book was released on 2007-05-22 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acquire an All-in-One Toolkit for Expertly Designing, Modeling, and Constructing High-Performance Fuel Cells Designing and Building Fuel Cells equips you with a hands-on guide for the design, modeling, and construction of fuel cells that perform as well or better than some of the best fuel cells on the market today. Filled with over 120 illustrations and schematics of fuel cells and components, this “one-stop” guide covers fuel cell applications...fuels and the hydrogen economy...fuel cell chemistry, thermodynamics, and electrochemistry...fuel cell modeling, materials, and system design...fuel types, delivery, and processing...fuel cell operating conditions...fuel cell characterization...and much more. Authoritative and practical, Designing and Building Fuel Cells features: Complete information on stack design The latest fuel cell modeling techniques Guidance on cutting-edge materials and components Expert accounts of fuel cell types, processing, and optimization A step-by-step example for constructing a fuel cell Inside This State-of-the-Art Fuel Cell Sourcebook Introduction • Fuel Cell Applications • Fuel Cells and the Hydrogen Economy • Basic Fuel Cell Chemistry and Thermodynamics • Fuel Cell Electrochemistry • Fuel Cell Charge Transport • Fuel Cell Mass Transport • Fuel Cell Heat Transport • Fuel Cell Modeling • Fuel Cell Materials • Fuel Cell Stack Components and Materials • Fuel Cell Stack Design • Fuel Cell System Design • Fuel Types, Delivery, and Processing • Fuel Cell Operating Conditions • Fuel Cell Characterization
Book Synopsis Models for Solid Oxide Fuel Cell Systems by : Dario Marra
Download or read book Models for Solid Oxide Fuel Cell Systems written by Dario Marra and published by Springer. This book was released on 2016-03-07 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents methodologies suitable for the optimal design of control and diagnosis strategies for Solid Oxide Fuel Cell (SOFC) systems. One key feature of the methodologies presented is the use of modeling tools with an ideal balance between accuracy and computational burden. Particular emphasis is given to the useful combination of models within a hierarchical framework to reduce the experimental efforts required for characterization and testing. Such tools are proven to be highly effective for SOFC systems destined for both residential and transportation applications. Throughout the book, optimization is always conceived in such a way so as to allow the SOFC systems to work efficiently while guaranteeing safe thermal operation, as well as an extended lifetime. This book is aimed at scientists and engineers involved in the design of marketable SOFC systems. It gathers the knowledge and experience derived from other research and industry practice for which control and diagnosis have proven to be the main keys to success and market penetration.
Book Synopsis PEM Fuel Cell Modeling and Simulation Using Matlab by : Colleen Spiegel
Download or read book PEM Fuel Cell Modeling and Simulation Using Matlab written by Colleen Spiegel and published by Elsevier. This book was released on 2011-08-29 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although, the basic concept of a fuel cell is quite simple, creating new designs and optimizing their performance takes serious work and a mastery of several technical areas. PEM Fuel Cell Modeling and Simulation Using Matlab, provides design engineers and researchers with a valuable tool for understanding and overcoming barriers to designing and building the next generation of PEM Fuel Cells. With this book, engineers can test components and verify designs in the development phase, saving both time and money. Easy to read and understand, this book provides design and modelling tips for fuel cell components such as: modelling proton exchange structure, catalyst layers, gas diffusion, fuel distribution structures, fuel cell stacks and fuel cell plant. This book includes design advice and MATLAB and FEMLAB codes for Fuel Cell types such as: polymer electrolyte, direct methanol and solid oxide fuel cells. This book also includes types for one, two and three dimensional modeling and two-phase flow phenomena and microfluidics. *Modeling and design validation techniques *Covers most types of Fuel Cell including SOFC *MATLAB and FEMLAB modelling codes *Translates basic phenomena into mathematical equations
Download or read book Fuel Cells written by Bei Gou and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers advanced research results on Modeling and Control designs for Fuel Cells and their hybrid energy systems. Filled with simulation examples and test results, it provides detailed discussions on Fuel Cell Modeling, Analysis, and Nonlinear control. The books begins with an introduction to Fuel Cells and Fuel Cell Power Systems as well as the fundamentals of Fuel Cell Systems and their components. It then presents the Linear and Nonlinear modeling of Fuel Cell Dynamics, before discussing typical approaches of Linear and Nonlinear Modeling and Control Design methods for Fuel Cells. The authors also explore the Simulink implementation of Fuel Cells, including the modeling of PEM Fuel Cells and Control Designs. They cover the applications of Fuel cells in vehicles, utility power systems, stand-alone systems, which integrate Fuel Cells, Wind Power, and Solar Power. Mathematical preliminaries on Linear and Nonlinear Control are provided in an appendix.
Book Synopsis Analytical Modelling of Fuel Cells by : Andrei A. Kulikovsky
Download or read book Analytical Modelling of Fuel Cells written by Andrei A. Kulikovsky and published by Elsevier. This book was released on 2010-06-29 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: In fuel cell research, the gap between fundamental electrochemical processes and the engineering of fuel cell systems is bridged by the physical modelling of fuel cells. This relatively new discipline aims to understand the basic transport and kinetic phenomena in a real cell and stack environment, paving the way for improved design and performance. The author brings his unique approach to the analytical modeling of fuel cells to this essential reference for energy technologists. Covers recent advances and analytical solutions to a range of problems faced by energy technologists, from catalyst layer performance to thermal stability Provides detailed graphs, charts and other tools (glossary, index) to maximize R&D output while minimizing costs and time spent on dead-end research Presents Kulikovsky’s signature approach (and the data to support it)—which uses "simplified" models based on idealized systems, basic geometries, and minimal assumptions—enabling qualitative understanding of the causes and effects of phenomena
Book Synopsis Modeling of Solid Oxide Fuel Cell Performance with Coal Gasification by : Katherine Mary Ong
Download or read book Modeling of Solid Oxide Fuel Cell Performance with Coal Gasification written by Katherine Mary Ong and published by . This book was released on 2016 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Growing concern over greenhouse gas emissions has driven research into clean coal power production alternatives. Novel coal power plant designs that lower CO2 emissions are imperative in the coming decades to mitigate global temperature rise. High-efficiency stationary power systems that integrate coal gasification with solid oxide fuel cells (SOFCs) have been championed by the Department of Energy for the past couple of decades. However, many fundamental questions about this system still need to be addressed by modeling the complex coupling between SOFC's and gasification. More specifically, work is needed to characterize SOFC performance with a range of syngas (H2+CO) mixtures produced by coal gasification. This thesis used a multiscale modeling approach to analyze SOFC performance with coal syngas at both the systems level and at the surface reaction scale. The first investigation in this thesis couples an equilibrium gasifier model to a detailed ID SOFC model to study the theoretical performance of the coupled system run on steam or carbon dioxide. The results of this study indicate that the system performs substantially better with steam gasification than with CO2 gasification as a result of the faster electro-oxidation kinetics of H2 relative to CO. The coupled system is then shown to reach higher current densities and efficiencies when the heat released by the fuel cell is sent to the gasifier instead of a bottoming cycle. 55-60% efficiency is then predicted for the system with heat transfer and steam gasification, making this technology competitive with other advanced system designs and almost twice as efficient as conventional coal-fired power plants. The second study in this thesis investigates SOFC behavior with H2 and CO (syngas) mixtures that come from coal gasification. SOFC models typically neglect CO electrochemistry in the presence of H2 and H20, assuming that the water-gas-shift reaction proceeds faster than CO electrooxidation. The results of this study show, however, that CO electro-oxidation cannot be neglected in syngas mixtures, particularly at high current densities for high CO-content syigas. First the simulations demonstrate that incoming CO is not all shifted to form H2 by reforming reactions before reaching the electrochemical reaction sites. Furthermore, the results of this 'study confirm that direct electro-oxidation of CO contributes non-negligible current relative to H2 at high anode overpotentials. Together these results show that CO electro-oxidation plays an important role in SOFC performance not only via water-gas-shift reforming, but also via direct electro-oxidation when H2 is also present. This work suggests that accurate models for both surface reforming and direct electro-oxidation of CO in SOFC anodes must be included in order to capture performance when using coal syngas mixtures. Finally, a multi-step mechanism for the simultaneous electro-oxidation of H2 and CO in SOFCs is implemented and studied. This mechanism combines a couple of reaction pathways: hydrogen (H) spillover to the electrolyte, and oxygen (O) spillover to hydrogen and CO on the anode. This mechanism is successfully verified in the model against a wide range of experimental data for mixtures of CO/CO2, H2/N2, H2/H20, H2/CO, and H2/CO2 . The simulations show that H spillover is the dominant source of current at low anode activation overpotentials, but also demonstrate that the currents produced by 0 spillover are non-negligible at high overpotentials. Furthermore, it is shown that the current produced by 0 spillover to CO is not limited by the rate of CO adsorption on nickel, which leads CO to contribute more to cell performance at high currents. Together these three modeling studies demonstrate how coal can be efficiently converted to electricity via gasification and the simultaneous electro-oxidation of H2 and CO in a solid oxide fuel cell.
