Doe office of fossil energy solid oxide fuel cell program. Little is known about the complex interfacial electrochemistry and, and it is also thermochemistry. May 28, 2017 a solid oxide fuel cell is an electrochemical device that produces electrical energy by oxidizing fuel. These cells have solidstate electrolytes, as well as a solidstate anodes, cathodes, and cell interconnects. Sofc vrs pem fuel cells debate forum stock discussion forums.
A cool selfmade sofc working cell is shown and working principle is explained. Disillusionment followed almost till the end of the first decade of the. Technologies and applications the open fuel cells journal, 20, volume 6 the ove rall cell efficiency is between 37% and 42% however. Rising awareness about alternative energy sources is a major factor fostering the market growth. Any co in the reformate gas is oxidized to co 2 at the anode. Fuel cells are characterized by their electrolyte material. Sofc is the use of liquid metal such as sb as the anode, which ensures excellent contact between the carbon fuel and the anode.
The conference focused on solid oxide fuel cells and electrolyzers, with the first time addition of a new category. Doe office of fossil energy solid oxide fuel cell sofc program. The solid oxide fuel cell sofc is part of a broader category of ceramic fuel cells. In the framework of the conference series this special issue efcf2016 covers the 12 th. Solid oxide fuel cell sofc materials, ebook pdf materials. Anodesupported solid oxide fuel cells sofcs model based on artificial neural network ann and optimized design variables were modeled. One such technology is the solid oxide fuel cell sofc, which is one of the most efficient and environmentalfriendly technologies available for generating power from hydrogen, natural gas, and other renewable fuels. Doe office of fossil energy solid oxide fuel cell sofc. Breakthrough winner adaptive power challenge 2018 scte cabletec expo welcome at the 2019 scte cabletec expo in new orleans in booth i8. However, a given device is usually optimized for operating in one mode and may not be built in such a way that it can be operated backwards. New developments and challenges of solid oxide fuel cell.
Pdf a solid oxide fuel cell sofc is a solidstate energy conversion system that converts. A fuel cell is composed of an anode, cathode, and an electrolyte membrane. To enable even higher fuel utilization, the next stage introduces a microgas turbine to generate electricity from the exhaust gases of the sofc module. Repeat customers after purchasing and then experiencing fuel cell benefits firsthand.
Part i covers the latest developments of anode, electrolyte, and cathode materials as well as the sofc technologies. Temperatures of operation are typically 8001,000 c. The euphoric period created in the beginning of the new millennium, however, did not lead to wide market penetration of fc applications. The information in this document is the property of lg fuel cell systems inc. Seventh edition fuel cell handbook technical report osti. Comparison of sofc and pem fuel cell hybrid power management. Figure 48 irfree electrode performance with o2 and air in 9 n koh at 55 to. Nov 01, 2004 this report documents the status of the us department of energys fuel cells program as of the end of fy 87.
Solid oxide fuel cell manufacturing overview author. Solidoxide fuel cells solid oxide fuel cell fuel cell. Solid oxide cells soc are the most efficient converters of fuel to power and heat and are particularly well suited for distributed power generation. This report documents the status of the us department of energys fuel cells program as of the end of fy 87. Request pdf solid oxide fuel cell sofc the reduction of co2 emissions, considering its greenhouse effect, and primary energy saving are ones of the most important challenges for the. Solid oxide fuel cells operate at temperatures at which certain oxidic electrolytes become oxygen ion, o2, conducting. Sofc fuel flexibility sofc with h 2 and jp5 reformate h 2 0. Solidoxide fuel cells free download as powerpoint presentation. These systems can incorporate an internal fuel reformer in the design, which uses heat from the fuel cell to convert natural gas directly into a hydrogen rich fuel. The european fuel cells forum efcf, founded by ulf bossel in 1994, is now continued by the european fuel cell forum ag. Saravanan materials research foundations volume 23 publication date 2018, 182 pages print isbn 9781945291500 release date january 15th, 2018 epdf isbn 9781945291517 doi. Sofcs works at a temperature range of generally around 600 c to 900 c, making them highly suitable for handling different fuels due to the easy movement of. A study of anodesupported solid oxide fuel cell modeling.
This book presents methodologies suitable for the optimal design of control and diagnosis strategies for solid oxide fuel cell sofc systems. Department of energy office of fossil energy national energy technology laboratory p. Sofcs are widely gaining momentum as an important source for the backup power options, primarily due to their ability to generate electricity by using a variety of fuels such as hydrogen, natural gas. Increasing demand for unconventional sources of energy is one of the key factors driving the growth. The report consists of 1 an overview of the fuel cells program including a brief discussion of how fuel cells work. Fuel cell seminar report with ppt and pdf parts of fuel cells there are 4 main parts anode cathode catalyst proton exchange membrane types of. Manufacturing cost analysis of 1 kw and 5 kw solid oxide. Measurements of iv curves and impedance were conducted with sc steam to carbon ratio. The bloom energy server the bloom box is a solid oxide fuel cell sofc power generator made by bloom energy, of sunnyvale, california, that takes a variety of input fuels, including liquid or gaseous hydrocarbons produced from biological sources, to produce electricity at or near the site where it will be used. Creates electricity through electrochemical process. The diagram and explanation below showing a solid oxide fuel cell powered by pure hydrogen are from the smithsonian institution. Sumit thakur ece seminars fuel cell seminar and ppt with pdf report.
Advantages of this class of fuel cells include high combined heat and power efficiency, longterm. Part ii discusses the nonelectrolyte or semiconductorbased membrane fuel cells. This report provides cost estimates for the manufacture of 1 kw and 5 kw solid oxide fuel cells sofc designed for auxiliary power unit applications using highvolume manufacturing processes at annual production volumes of 100, 10,000, and 50,000 units. Pdf modeling and simulation of solid oxide fuel cell. Fuel cell seminar report with ppt and pdf parts of fuel cells there are 4 main parts anode cathode catalyst proton exchange membrane types. The solid oxide fuel cell has gained recent attention for having potential applications in commercial and residential power.
Solid oxide fuel cells presentation linkedin slideshare. Defoa0001853 solid oxide fuel cell core technology research area of interest 1. Solidoxide fuel cells sofcs have the highest performance and durability. We present a novel solid oxide fuel cell sofc with hollow electrodes and loose plates help which. With the increase in the rate of depletion of conventional energy sources, the increased volatility of fossil fuel prices and the environmental externalities of fossil fuels, particularly greenhouse gas ghg emissions the world has shifted its focus. A solid oxide fuel cell or sofc is an electrochemical conversion device that produces electricity directly from oxidizing a fuel. Solid oxide fuel cell or sofc is an electrochemical device that operates at high temperatures, utilizing ceramic electrolytes to support the current generation for various uses. A novel sofc type fuel cell, invented by jaspers and van dongen. From electrolytebased to electrolyte free devices is divided into three parts. Miniaturized solid oxide fuel cells microsofcs are being extensively studied as a promising alternative to li batteries for next generation portable power. Solid oxide fuel cell sofc a type of fuel cell in which the electrolyte is a solid, nonporous metal oxide, typically zirconium oxide zro 2 treated with y 2 o 3, and o 2. Solid oxide fuel cell sofc technology for greener airplanes.
Figure 51 solid oxide fuel cell designs at the cathode. The global solid oxide fuel cell sofc market size is expected to reach usd 1. Solid oxide fuel cell make electricity from natural gas. G gibbs free energy of reaction of a cell reaction.
A fuel cell is an energy transforming appliance that changes the gas chemical energy directly to electric. Developing materials for sofc applications is one of the key topics in energy research. In addition the sofc system is significantly less sensitive to impurities in the fuel such as sulphur throughout the reforming process, increasing the efficiency and dependency of. Hybrid fuel cell gas turbine system design and optimization. The solidoxide fuel cell sofc is one type of allsolidstate fc, which can operate in the range of 500 c, but currently is in the 600900 c range.
The number of companies developing fuel cell systems based on multiple technologies is increasing. Hightemperature anode recycle blower for solid oxide fuel cell. Solid oxide fuel cell sofc explained with animation youtube. This work explains the strategies for better understanding of the difference between conventional solid oxide fuel cell sofc and electrolyte. This fuel cell should be operated at full power to obtain maximum system efficiency or turned off to conserve fuel. Molten carbonate fuel cell mcfc, solid oxide fuel cell sofc are explained, describing advantages and disadvan. Part i solid oxide fuel cell with ionic conducting electrolyte 1. Hightemperature anode recycle blower for solid oxide fuel cell 3 integrated fuel cell company that designs, manufactures, installs, operates, and services stationary fuel cell power plants.
Fuel cell based power generation has been proposed to be applied in transport and distributed energy supply. Fuel cell seminar report with ppt and pdf study mafia. Our tubular ceramic cell design allows us to offer compact and rugged systems that can operate in the most austere and remote locations. Develops technologies for energy supply, recovery and storage. Largescale sofc installations provided by bloom energy in the usa, have. Global solid oxide fuel cell sofc market by manufacturers, countries, type and application, forecast to 2023 a solid oxide fuel cell or sofc is an electrochemical conversion device that produces electricity directly from oxidizing a fuel. Fuel cell systems are a clean, efficient, reliable, and quiet source of power. A fuel cell is a galvanic cell also called an electrochemical cell. It was the first time i attended this event and i enjoyed it very.
Fuel cells are electrochemical devices that use hydrogen. Voltage was estimated from the sofc model with the. In contrast to polymerbased fuel cells, the sofcs do not need expensive metals, such as pt and ru, but rather use hightemperature ceramic materials that conduct ions and react with. A propane powered 200w solid oxide fuel cell sofc developed by ultra electronics is an example of one such system. The input parameters of the anodesupported sofc model developed in this study are as follows. Seventh edition fuel cell handbook technical report. Pdf performance of solid oxide fuel cells with direct. Technologies and applications the open fuel cells journal, 20, volume 6 the ove rall cell efficiency is between 37% and 42% however, if the heated watersteam generat ed by the. Solid oxide fuel cell sofc is a promising alternative energy source, with its advantages of high operating efficiency, fuel flexibility, low emissions and relatively low cost. However, there are several challenges concerning the sofc research. Growing privatepublic partnerships and reduced environmental impact are other factors anticipated to propel the demand. Box 880 morgantown, west virginia 265070880 november 2004. Carbon free dry fuel faster kinetics conclusions high nh 3 conversion nox formed at anode virtually no difference between nh 3 and h 2 feeds.
Solid oxide fuel cells sofcs, based on an oxide ion. Solid oxide fuel cells an overview sciencedirect topics. A regenerative fuel cell or reverse fuel cell rfc is a fuel cell run in reverse mode, which consumes electricity and chemical b to produce chemical a. A lowoperatingtemperature solid oxide fuel cell in.
Global failure criteria for positiveelectrolytenegative. Solid oxide fuel cell market analysis 2025, size, share. Aug 06, 2016 sofcsolid oxide fuel cell use solid electrolytes to transport ions, either protonconducting or oxygen ion conducting perovskites as electrode components, sometimes electrolyte usually use either hydrogen gas or natural gas as fuel current operating temperature 700 c. Performance of solid oxide fuel cells sofcs, in comparison with that under hydrogen fuel, were investigated under direct internal reforming conditions. A study of anodesupported solid oxide fuel cell modeling and. The system itself consists of a porous anode and cathode that are separated by an ion. Solid oxide fuel cells sofc use a hard, ceramic compound of metal like calcium or zirconium oxides chemically, o 2 as electrolyte. Theoretical and experimental study of solid oxide fuel cell. The global solid oxide fuel cell market size is projected to reach usd 1140. It is a potential future energy source to make electricity from natural gas. Oxide fuel cells sofc for back up and portable power applications. Extended abstract fuel cells seem to constitute one of the most essential solutions in the enormous environmental problem that our planet faces. By definition, the process of any fuel cell could be reversed.
Solid oxide cell technology is an enabler of efficient and emission free distributed power generation. The performance of a singlechamber solid oxide fuel cell was studied using a ceriabased solid electrolyte at temperatures below 773 kelvin. The gases are supplied via manifolds and, in the case of air, through alumina dip tubes protruding deep into the fuel cell tubes. Iii7 are related to heteroatomdoped graphenecnt as metafree. Fuel cells do not need to be periodically recharged like batteries, but instead continue to produce electricity as long as a fuel source is provided. National fuel cell research center, university of california irvine irvine.
This page contains fuel cell seminar and ppt with pdf report. It is the same effect that takes place in the lambda sensor supplied with threeway catalytic converters in spark ignition cars2, and lambda sensors can be used as convenient lab models for sofcs. Models for solid oxide fuel cell systems exploitation of. Overview presentation hydrogen and fuel cell technical advisory committee. Pdf a solid oxide fuel cell sofc is typically composed of two porous electrodes. Kendall in the early 1990s, are a variety of sofcs that are on the scale of millimetres compared to their much larger sofc. The global fuel cell market size was estimated at usd 10. The company offers 250 500 watt fuel cell systems that are powered by globally available and energy dense propane, butane, and natural gas. Global solid oxide fuel cells sofc market size industry. Comprehensive understanding of electrolytelayer free fuel cell with. Ammonia and solid oxide fuel cells protonic ceramic fuel cells.
Theoretical and experimental study of solid oxide fuel. Cell technologythe electrochemical performance, durability, and reliability of the solid oxide fuel cell are the key determinants in establishing the technical and economic viability of sofc power systems. The sofc program consists of three key technologies. Solid oxide fuel cell market size, trends global industry. Microtubular solid oxide fuel cells mtsofcs, the type pioneered by k. Vora technology manager, fuel cells national energy technology laboratory netl april 29, 2019 u. Proceedings of the asme 2010 eighth international fuel cell science, engineering and technology conference fuelcell2010 june 1416, 2010, brooklyn, new york, usa.
Electronic pdf the global solid oxide fuel cell market is expected to reach usd 1. Ammonia solid oxide fuel cell utilizes inexpensive base metal catalyst ni or co operating temperature 800c, depending on electrolyte elevated temperature allows direct ammonia utilization complete ammonia conversion not possible fuel diluted by steam, product nitrogen no x may appear in exhaust. One key feature of the methodologies presented is the use of modeling tools with an ideal balance between accuracy and computational burden. However, the development of fuel cell is still in its early stages, which must overcome. The key to a hydrogen economy ammonia fuel cell systems. Fuel cell and electrolyzer systems technology management inc. Government funding is largely being replaced by corporate funding and in turn exhibited to display positive growth potential.
1349 1207 446 347 866 1284 808 112 901 292 1166 493 325 272 60 16 434 304 899 794 1101 309 272 834 1232 1260 98 1186 581 845 450 1132 1339 1089 202 1125 893 669 1369 543 342