Solid Oxide Fuel Cell Methane

Hedayat, Yanhai Du, “ Using Flixweed Seed as a Pore-former to Prepare Porous Ceramics ”, Journal of Material Sciences & Engineering , 5 , 4, 1000255, 2016. Direct flame fuel cells (DFFCs) have been investigated as an alternative means of combustion based power generation devices, but current challenges for this technology have included low fuel utilization and efficiency. An integrated high pressure and high temperature solid oxide fuel cell (SOFC) and steam methane reformer (SMR) system is analyzed for this application and the recoverable amount of methane from deep ocean sediments is measured. Accepted Manuscript. “Button-scale” protonic ceramic fuel cells (PCFCs) based on barium zirconates have demonstrated high power density at low operating temperatures, reaching 450 mW / cm 2 at 500 ºC under hydrogen fuel, and 300 mW / cm 2 at 550 ºC under direct methane-steam fuel. University of Maryland researchers have partnered with Redox Power Systems LLC to commercialize low-temperature solid oxide fuel cell (LT-SOFC) technology for distributed generation—and ultimately transportation—applications at about one-tenth the cost and one-tenth the size of current commercial fuel cell systems. & Kendall, K. In order to decrease the degree of conversion, a single cell stack with reduced area was used. Siemens Westinghouse Power Corporation has developed tubular SOFC technology as part of the U. % H 2 O) CH 4 as the fuel at 650 °C, in comparison with Ni-supported cells. Decès-Petit, T. [Kevin Huang; John B Goodenough] -- "High-temperature solid oxide fuel cell (SOFC) technology is a promising power generation option that features high electrical efficiency and low emissions of environmentally polluting gases. Department. 6 watts per square centimeter. They range in operating temperatures from room temperature to 1000°C with high temperature fuels cells such as solid oxide fuel cells having the ability to co-generate heat and electricity at load centres. 3855 - 3862. A porous solid oxide fuel cell (PSOFC) system for electricity and syngas co-generation. % H 2 O) CH 4 as the fuel at 650 °C, in comparison with Ni-supported cells. Composition of the fuel mixture in the anode channel greatly affects the performance of the fuel cell. GE-FUEL CELLS: THE POWER OF TOMORROW (FC-CC) is a unique combination of a solid oxide fuel cell (SOFC) and a Jenbacher gas-fueled reciprocating engine. Single-chamber solid oxide fuel cells (SC SOFC) are one of the possible devices enabling direct conversion of methane to electricity. processor for high-temperature fuel cells, especially for solid oxide fuel cells (SOFCs), because high-temperature fuel cells can utilize hydrogen as well as carbon monoxide in the electrochemical reactions. Here we report the direct, electrochemical oxidation of various hydrocarbons (methane, ethane, 1-butene, n-butane and toluene) using a solid-oxide fuel cell at 973 and 1,073 K with a composite. Department of Energy under Contract DE-AC05-76RL01830 Pacific Northwest National Laboratory Richland, Washington 99352. Fuel Cell Technology University of Victoria Department of Mechanical Engineering IESVic Nov. Conversion of natural gas in solid oxide fuel cells (SOFC) promises to increase system level conversion efficiencies to above 60%, doubling the current efficiencies and significantly reducing the CO 2 emissions by a. However, solid oxide fuel cells are very stable when in continuous use. Direct methane solid oxide fuel cells based on catalytic partial oxidation enabling complete coking tolerance of Ni-based anodes. In this dissertation, solid oxide membrane reactors were fabricated and tested as 1) fuel cells operating directly on ethanol and 2) for the production of ethane and ethylene directly from methane. Direct flame fuel cells (DFFCs) have been investigated as an alternative means of combustion based power generation devices, but current challenges for this technology have included low fuel utilization and efficiency. But such fuel cells must break methane’s strong C–H bonds, and that generally requires high operating temperatures between 650 and 1,100 °C, which add significantly to a device’s operating costs. Department of Energy initiated the SOFC Program in 2000 to develop low-cost, highly efficient, environmentally friendly SOFC technology for smaller, modular-scale as well as large-scale power generation from natural gas or coal-derived synthesis gas. Siemens Westinghouse Power Corporation has developed tubular SOFC technology as part of the U. The anodes were prepared by a hydrothermal method using a Ni content (14 vol%) lower than that of a conventional SOFC anodes (30 vol%). Hydrocarbon fueled solid oxide fuel cells David BierschenkDavid Bierschenk Energy Materials 66--33--0808. 85%, an ethanol conversion of 100%, water to ethanol ratio 3:1 and no energy integration was developed. 07 for the fuel as methane and the selected syngas, respectively. In this work, the catalytic performance of Ni supported on ceria doped with Zr, Pr and Nb used as anodes for solid oxide fuel cell (SOFC) operating directly on fuels containing methane and CO 2 was studied. Department of Energy under Contract DE-AC05-76RL01830 Pacific Northwest National Laboratory Richland, Washington 99352. Operation of solid oxide fuel cells with alternative hydrogen carriers Research output : Contribution to journal › Journal article – Annual report year: 2019 › Research › peer-review Power-to-methane via co-electrolysis of H 2 O and CO 2 : The effects of pressurized operation and internal methanation. These cells, unlike their predecessors, have a solid electrolyte separating the two electrodes. 007 This is a PDF file of an unedited manuscript that has been accepted for publication. Solid-oxide fuel cells (SOFCs) promise high efficiencies in a range of fuels. Performance degradation caused by carbon deposition substantially restricts the development of direct methane solid oxide fuel cells (SOFCs). The multi-element diffusion flat flame burner (MEDB) is served as a fuel reformer and implements the quick starting process for the flame fuel cell. 1-supported solid oxide fuel cells are fabricated by tape casting-screen printing-sintering process; and the activity for CH 4 reforming and electrochemical performance are examined with wet (3 vol. Power densities as high as 0. Oxidation of fuel takes place at anode so choice of high. Solid oxide fuel cell Xiaoyong's research interests include direct carbon fuel cells, direct methane fuel cell and solid oxide fuel cells with strong application focus on clean energy and environment. Decès-Petit, T. MSc Sustainable Energy Technology. The high temperature of solid oxide fuel cells (SOFCs) allow for a wide range of possible fuels. Fuel cells can power almost about anything, from tiny microchips, to cars, to power plants. Programme. edu) have developed a solid oxide fuel cell (SOFC) design that eliminates the need for a methane. Solid Oxide fuel cells (SOFC’s) is a device that is used to convert chemical energy from a fuel, such as hydrogen or methane, into electricity through electrochemical reactions. On the basis of the cost breakdown of production cost data from fuel cell manufacturers, we developed a bottom-up model that allows for determining overall manufacturing costs from their. , elimination of exhaust-gas recirculation, and a higher open-circuit voltage. Solid Oxide Fuel Cell Technology • Solid Oxide Fuel Cell (SOFC): Electrochemical energy conversion device based on ionic conducting oxide electrolyte • Feature – Clean and efficient power generation on a broad spectrum of fuels and reverse operation (referred to as solid oxide electrolysis cell or SOEC) ANODE (Porous) ELECTROLYTE (Dense) 02-. Abstract Ni 0. Furthermore, the waste heat generated from the cell can also be used to heat the home, which increases the energy efficiency [13]. The design and dimensioning of the digester is conducted in relation to the technological and biological parameters of the reactor. Composition of the fuel mixture in the anode channel greatly affects the performance of the fuel cell. 37 W cm −2 at 650 °C. 88%, from 2017 to 2025 to reach a market size of 1,140. • It is configured like a battery withanode and cathode. The Ni-LaxCe1-xOy catalysts with a higher Ni content were further sintered at 1400 degrees Celcius and investigated as anodes of solid oxide fuel cells for operating on methane fuel. Depending on the primary feedstock and the processing technology to produce the syngas, the composition (primarily mixtures of H2 and CO, but often including CH4, H2O, CO2, N2, and other impurities) can vary considerably. A model for a tubular solid oxide fuel cell based on a semi-empirical approach has been. It is also important for fuel cell technology to achieve efficient electrode operation with different hydrocarbon fuels 3,4 , although such fuels are more demanding than pure hydrogen. Technologies are sought that improve the durability, efficiency, and reliability of solid oxide systems. Solid-oxide fuel cells can efficiently generate electric power. The Fuel Cell Produces Only Carbon Dioxide And Water As A By-product. International Journal of Hydrogen Energy , 36 (9), 5632 - 5643. Department. In the present work, the effects of two main components of exhaust gas, viz. 6 Million by 2025. The best anode materials to date—Ni-YSZ (yttria-stabilized zirconia). That's why Redox's solid oxide fuel cell is such a breakthrough. Thermodynamic modeling and performance of advanced solid oxide fuel cells. and Ran, R. Methane Steam Reforming (MSR) is one of the most extensively studied types of DIR. A new, small-scale solid oxide fuel cell (SOFC) system that boasts a record efficiency of up to 57 percent could be used for household and neighborhood power generation. Current fuel cell technologies require the use of a reformer - which turns hydrocarbon fuels. The present work is focused on the thermodynamic study of the methane or biogas mixtures conversion on Cu-ceria catalysts. 08/kWh range based on a cost model using a standard approach to manufacturing solid oxide fuel cells. In fact, the SOFC has demonstrated the longest operating life of any fuel cell under certain operating conditions. a hybrid solid oxide fuel cell system with zero-CO 2 emission fed with methane and ethanol will be carried out by computer simulation and the result of this study will provide better understanding of the type and thermo-economic. Technologies are sought that improve the durability, efficiency, and reliability of solid oxide systems. resistances are about 15 times less than previously achieved without 6. Direct Internal Methane Steam Reforming in Operating Solid Oxide Fuel Cells A kinetic modelling approach Lindert van Biert4044452 4th of December 2014 Specialization Energy Technology, Faculty of Mechanical, Maritime, and Materials Engineering. •Ceramic Fuel Cells An Australian company that has received funding from the Queensland and Australian Governments Developed solid oxide fuel cells for the residential market They have produced a 2kW fuel cell providing power with 60% electrical efficiency and heating Designed for cold climates –selling into European. Here we report the direct, electrochemical oxidation of various hydrocarbons (methane, ethane, 1-butene, n-butane and toluene) using a solid-oxide fuel cell at 973 and 1,073 K with a composite. A micro-tubular solid oxide fuel cell (SOFC) is directly combined with a fuel-rich methane flame in a simple, "no-chamber" setup. Reformer module Gas turbine module (compressor and turbine sub-modules) Combustor module Catalytic oxidizer module Heat exchanger module. Compared to other fuel cell technologies, solid oxide fuel cell (SOFC) based systems are better suited to meeting NASA's efficiency targets while operating directly on methane and oxygen reactants. 6 Million by 2025. So, our group is actively developing on gas separation membrane [1], heterogeneous catalysts for hydrogen production [2], and bio-oil production [3], and also solid oxide fuel cell [4] and intermediate-temperature fuel cell [5] by using a variety of inorganic materials. and Farrusseng, D. The table below lists characteristics of these various fuel cell approaches. This process allows Bloom to create reliable, resilient, sus tainable energy at lower and predictable costs. Mechanical, Maritime and Materials Engineering. It mainly consists of methane, which can be converted into hydrogen by direct internal reforming (DIR) within the SOFC anode. Though not yet fully commerc Consulting - Specifying Engineer - Global sales of solid oxide fuel cells (SOFCs) will grow at a 22. In the present work, the effects of two main components of exhaust gas, viz. and Guo, Y. Yentekakis, Grammatiki Goula. • Much of NASA’s fuel cell development has been focused on creating a. The cell, operated under direct internal reforming conditions, showed relatively. These cells, unlike their predecessors, have a solid electrolyte separating the two electrodes. Then a solar-powered electrolyzer breaks the water into hydrogen and oxygen so that the fuel cell can use it again. Jacobsen, John D. •Ceramic Fuel Cells An Australian company that has received funding from the Queensland and Australian Governments Developed solid oxide fuel cells for the residential market They have produced a 2kW fuel cell providing power with 60% electrical efficiency and heating Designed for cold climates –selling into European. 3855 - 3862. RICHLAND, Wash. Solid oxide fuel cells (SOFCs) operate at a sufficiently high temperature to allow some flexibility in fuel source; in particular microtubular solid oxide fuel cell (mSOFC) stacks have been developed that run on methane and propane, gases that are easier to store and more readily available than hydrogen. Development of direct hydrocarbon solid oxide fuel cells. Constrained Control and Optimization of Tubular Solid Oxide Fuel Cells for Extending Cell Lifetime Benjamin J. Solid oxide fuel cells (SOFCs) often operate at high temperatures which contributes to a higher efficiency and power density as compared to other types of fuel cells. High Temperature Solid Oxide Fuel Cells: OCVs (open circuit voltages) in methane3. For that reason, simplified and flexible models for solid oxide fuel cells are needed, which can be implemented easily in complex power plant system simulations. Carbon deposition on a Ni‐based anode is troublesome for the direct power generation from methane‐based fuels using solid oxide fuel cell. The performance of a single-chamber solid oxide fuel cell was studied using a ceria-based solid electrolyte at temperatures below 773 kelvin. A special type of fuel cell, the solid-oxide fuel cell (SOFC), may be able to raise efficiency to 85-90%. Thompson, editor, University of Rochester Press, Rochester, New. Salogni, P. For comparison, a new type of SOFC with porous electrolyte can resist carbon deposition because it allows oxygen molecules to transport from the cathode to the anode. Anode supported solid oxide fuel cells (SOFCs), consisting of Ni+YSZ anode, YSZ electrolyte, and LSM+YSZ cathode, were fabricated and constant current tested with direct internal reforming of methane (steam to carbon ratio ~ 2) as well as hydrogen fuel at 800°C. Researchers developed a low-temperature direct methane fuel cell in 1962, and Andrew M. The system has a porous layer, a porous electrolyte layer with catalyst, a porous anode layer, and a porous catalyst layer. ytrria-stabilized zirconia (YSZ). In fact, the SOFC has demonstrated the longest operating life of any fuel cell under certain operating conditions. Fueled by methane, the. Department of Energy initiated the SOFC Program in 2000 to develop low-cost, highly efficient, environmentally friendly SOFC technology for smaller, modular-scale as well as large-scale power generation from natural gas or coal-derived synthesis gas. As opposed to other fuel cell types, the SOFC can use a multitude of different fuels including pure hydrogen and methane. Likewise, electrolysis of CO 2 to CO is theoretically feasible in an SOE. NFCRC Tutorial: Solid Oxide Fuel Cell (SOFC) The electrolyte consists of a solid, nonporous metal oxide, typically Y 2 O 3 stabilized ZrO 2 with the anode made from CoZrO 2 or NiZrO 2 cermet, while the cathode is made from Sr doped LaMnO3. Modeling and Parametric Simulations of Solid Oxide Fuel Cells with Methane Carbon Dioxide Reforming Meng Ni* Building Energy Research Group, Department of Building and Real Estate The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China Abstract: A two-dimensional model is developed to simulate the performance of solid oxide. Salogni, P. • Electric power generation from different biogas compositions. Solid oxide fuel cells (SOFCs) use a hard, non-porous ceramic compound as the electrolyte. During the operation of fuel cell system 12, an oxidant stream (e. The cell exhibited power density of 596 mWcm −2and 381 mWcm at 700 C with wet hydrogen and methane as the fuel respectively, where the silver paste was used as current collectors, the highest performance up to date for the cells with metal oxide anodes at this temperature. Solid Oxide Fuel Cells (SOFCs) with electrical efficiencies above 50 % are considered as very promising option for future decentralized energy conversion. Author information: (1)School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK. Elcogen provided SOFC single cells to the system. Solid Oxide Fuel Cell Engines Integrated With Single/ Dual-Spool Turbochargers This study investigates the performance and operating characteristics of 5kW-class solid oxide fuel cell and gas turbine (SOFC/GT) hybrid systems for two different configura-tions, namely single- and dual- spool gas turbines. Question: A Solid Oxide Fuel Cell With Electrolyte Ion O^2- And Fueled By Methane Is Operating At 400 Degree C. SOFCs powered by gasified coal are twice as efficient as current coal-fired power plants, potentially reducing CO2 emission by 50%. Solid oxide fuel cells (SOFCs) are potentially the most efficient technology for direct conversion of hydrocarbons to electricity. The present work is focused on the thermodynamic study of the methane or biogas mixtures conversion on Cu-ceria catalysts. NGK Insulators Ltd developed a SOFC that uses hydrogen gas as fuel and achieved a lower heating value (LHV) of 63%, one of the highest in the world, also featuring a power output of 700W and an. The system that is simulated represents the 220 kW SOFC/GT hybrid system developed by Siemens Westinghouse. applthermaleng. Performance degradation caused by carbon deposition substantially restricts the development of direct methane solid oxide fuel cells (SOFCs). 3 Million in 2016 and is expected to grow at a CAGR of 13. Here, we describe a solid oxide fuel cell that combines a catalyst layer with a conventional anode, allowing internal reforming of iso -octane without coking and yielding stable power densities of 0. A thermo‐mechanical model has been developed to determine both the temperature gradient and the stress field within an anode supported cell structure fed with methane. Thermodynamic modeling and performance of advanced solid oxide fuel cells. Braun, “Optimal Design and Operation of Solid Oxide Fuel Cell Systems for Distributed Generation,” Research Papers of the Link Foundation Fellows, Vol. On the basis of the cost breakdown of production cost data from fuel cell manufacturers, we developed a bottom-up model that allows for determining overall manufacturing costs from their. Coconut pomace, rice straw, bagasse together with concentrated sludge is fed to a digester to produce biogas, which is used as fuel to generate electricity with a solid oxide fuel cell (SOFC) system having double the efficiency of conventional heat engine systems. 1-supported solid oxide fuel cells are fabricated by tape casting-screen printing-sintering process; and the activity for CH 4 reforming and electrochemical performance are examined with wet (3 vol. Best Effort Yet To Make Direct Methane Fuel Cell A Reality. Optical studies of nanostructures and solid oxide fuel cells Thursday, May 22, 2014 - 8:00pm Steady-state and transient spectroscopic studies are described for plasmonic metal nanorods, gold nanoantenna arrays and atomic layer deposition (ALD) silver films. The anodes were prepared by a hydrothermal method using a Ni content (14 vol%) lower than that of a conventional SOFC anodes (30 vol%). However, anode coking for the Ni-based anode should be prevented before the technology becomes a reality. Abstract Ni 0. Several cells are then placed with parallel flow paths and connected thermally and electrically in series. An Australian company, Ceramic Fuel Cells Ltd, is commercially developing highly efficient solid-oxide fuel cells (also known as ceramic fuel cells). The first part of this dissertation discusses results from a study where solid oxide fuel cells were fabricated with Ni based anodes and operated. They work at very high temperatures, typically between 700 and 1,000°C. Gas Turbine Cycles With Solid Oxide Fuel Cells—Part I: Improved Gas Turbine Power Plant Efficiency by Use of Recycled Exhaust Gases and Fuel Cell Technology S. This paper concerns the stability of anode-supported solid oxide fuel cells (SOFCs), operated with fuel mixtures of methane-CO 2 and methane-air. Solid oxide fuel cells (SOFCs) and solid oxide electrolyzers (SOEs) hold much promise as highly efficient devices for the direct interconversion of chemical and electrical energy. Comparison of the exergy efficiency of four power generation systems from methane using fuel cells Zhe Wang, *a Weiyu Fanb and Guangqing Zhangc Exergy analyses are carried out on four different solid oxide fuel cell (SOFC) systems using methane as the. Stability, which was evaluated in terms of voltage decrease at constant current density, was affected by coke deposits. A number of different fuel cells have been under development for stationary, transport and portable power applications. Extra Credit Problem: A solid oxide fuel cell operating at 1000 C and atmospheric pressure uses pure. The focus of this dissertation is the development of a Solid Oxide Fuel Cell (SOFC) that can operate with hydrocarbon fuels without the need for pre-reforming. Depending on the primary feedstock and the processing technology to produce the syngas, the composition (primarily mixtures of H2 and CO, but often including CH4, H2O, CO2, N2, and other impurities) can vary considerably. The present work is focused on the possibility of achieving an integrated system by adopting solid oxide fuel cell systems fed by the biogas produced by an anaerobic digestion system. The researchers figured out how to convert methane to hydrogen in the fuel cell itself via the new catalyst, which is made with cerium, nickel and ruthenium and has the chemical formula Ce0. 52 W/cm2 at 700 °C and 1. Constrained Control and Optimization of Tubular Solid Oxide Fuel Cells for Extending Cell Lifetime Benjamin J. In August, Franklin Fuel Cell reported a successful test of Solid-Oxide Fuel Cell (SOFC) technology on 16 different types of fuels, including propane, methane, ethanol, natural gas, and diesel. Their off-gases can be used to fire a secondary gas turbine to improve electrical efficiency. Gas Turbine Cycles With Solid Oxide Fuel Cells—Part I: Improved Gas Turbine Power Plant Efficiency by Use of Recycled Exhaust Gases and Fuel Cell Technology S. Efficiency Analysis of Planar Solid Oxide Fuel Cell. Journal of Power Sources 2017, 345, 30-40. NFCRC Tutorial: Solid Oxide Fuel Cell (SOFC) The electrolyte consists of a solid, nonporous metal oxide, typically Y 2 O 3 stabilized ZrO 2 with the anode made from CoZrO 2 or NiZrO 2 cermet, while the cathode is made from Sr doped LaMnO3. It is also important for fuel cell technology to achieve efficient electrode operation with different hydrocarbon fuels 3,4, although such fuels are more demanding than pure hydrogen. Toward highly efficient: in situ dry reforming of H2S contaminated methane in solid oxide fuel cells via incorporating a coke/sulfur resistant bimetallic catalyst layer. The table below lists characteristics of these various fuel cell approaches. A new high-efficiency small-scale solid oxide fuel cell system could be a key component for localized power generation, powering anything from entire neighborhoods to individual houses with methane. A mathematical model including heterogeneous chemistry, electro-chemistry, mass transport, and porous media transport is developed to explore the thermal energy coupling between the steam reforming and the electrochemical reactions, independent of the. and Farrusseng, D. The Ni-La0. Efficiency is about 60 percent, and operating temperatures are about 1,000 °C (about 1,800 °F). Single-chamber solid oxide fuel cells (SC SOFC) are one of the possible devices enabling direct conversion of methane to electricity. For the energy produced, fuel cell technology creates far, far less carbon dioxide than combustion engines. Methane Steam Reforming (MSR) is one of the most extensively studied types of DIR. Other gases such as methane could render an even higher efficiency. Methane Steam Reforming over an Ni-YSZ Solid Oxide Fuel Cell Anode in Stack Configuration D. Then a solar-powered electrolyzer breaks the water into hydrogen and oxygen so that the fuel cell can use it again. As a service to our customers. The support layer can be used on either the anode or cathode side and allows for. A Support Layer for Solid Oxide Fuel Cells. Author information: (1)School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, UK. Their off-gases can be used to fire a secondary gas turbine to improve electrical efficiency. Power densities as high as 0. • Unlike a battery, it does not run down or require recharging andwill produce electricity, heat and water as long. Rather, the efficiency of the fuel cell based power plant can be increased to about 70% when coupled with a gas turbine. 3855 - 3862. A Support Layer for Solid Oxide Fuel Cells. • Much of NASA’s fuel cell development has been focused on creating. With the help of Fig. The potential for these fuel cells is immense and they promise to be an important alternative energy source for a less oil dependant future. Solid Oxide fuel cells (SOFC) use a hard, ceramic compound of metal (like calcium or zirconium) oxides (chemically, O 2) as electrolyte. Electromotive forces of ;900 millivolts were generated from the cell in a ßowing mixture of ethane or propane and air, where the solid electrolyte functioned as a purely ionic conductor. Abstract Ni 0. The cells can be fuelled by a variety of gases, including hydrogen, natural gas or coal gas. Constrained Control and Optimization of Tubular Solid Oxide Fuel Cells for Extending Cell Lifetime Benjamin J. November 25, 2010 Facebook; “If you can realize high-performance solid-oxide fuel cells that operate in the 300 C (572 F. Palo Alto Research Center (PARC) Palo Alto Research Center (PARC) is developing an intermediate-temperature fuel cell that is capable of utilizing a wide variety of carbon-based input fuels such as methane, butane, propane, or coal without reformation. High Temperature Solid Oxide Fuel Cells: OCVs (open circuit voltages) in methane3. NASA has a defined need for energy dense and highly efficient energy storage and power delivery systems for future space missions. Fuel Cell Technology University of Victoria Department of Mechanical Engineering IESVic Nov. Elcogen provided SOFC single cells to the system. The performance of a single-chamber solid oxide fuel cell was studied using a ceria-based solid electrolyte at temperatures below 773 kelvin. Georgia Tech Research Corporation - Fuel Cell Tailored for Efficient Utilization of Methane: Materials & Systems Research, Inc. The operation of solid oxide fuel cell systems with the internal steam reforming of methane over supported nickel catalysts is studied. Government subsidies and fuel cell programs in North America, Japan, and Europe along. Here we report the direct electrochemical oxidation of methane in solid oxide fuel cells that generate power densities upto 0. This process allows Bloom to create reliable, resilient, sus tainable energy at lower and predictable costs. Further advantages of SOFC’s include; the high amount of heat enthalpy that is. 6 watts per square centimeter. The Fuel Cell Produces Only Carbon Dioxide And Water As A By-product. (PCI) is looking to hire a talented engineer with a creative approach to problem-solving in a dynamic environment. The fuel cell, originally designed and built at the Jülich Institute of Energy and Climate Research in Germany, is operating with a conversion efficiency of 64 percent and works with pure hydrogen. On the basis of the cost breakdown of production cost data from fuel cell manufacturers, we developed a bottom-up model that allows for determining overall manufacturing costs from their. A number of different fuel cells have been under development for stationary, transport and portable power applications. today revealed the world's first Solid Oxide Fuel-Cell (SOFC)-powered prototype vehicle that runs on bio-ethanol electric power. 2O2–x (SDC) anodes for direct methane SOFCs. Halinen et al. HYBRID FUEL CELL TECHNOLOGY FOR PRODUCING CHEMICALS, FUELS, AND ELECTRICITY drhgfdjhngngfmhgmghmghjmghfmf THEODORE KRAUSE1, BALU BALACHANDRAN1, DEBORAH MYERS,1 ADAM HOCK2, AND CARLO SEGRE2 1 Argonne National Laboratory 2 Illinois Institute of Technology 17th Annual Solid Oxide Fuel Cell (SOFC) Project Review Meeting July 21, 2016 Pittsburgh, PA. Solid oxide fuel cells (SOFCs) often operate at high temperatures which contributes to a higher efficiency and power density as compared to other types of fuel cells. This performance is comparable to that of fuel. Solid Oxide Fuel Cell Engines Integrated With Single/ Dual-Spool Turbochargers This study investigates the performance and operating characteristics of 5kW-class solid oxide fuel cell and gas turbine (SOFC/GT) hybrid systems for two different configura-tions, namely single- and dual- spool gas turbines. Accepted Manuscript. The cell, operated under direct internal reforming conditions, showed relatively. A model for a tubular solid oxide fuel cell based on a semi-empirical approach has been. MSc Sustainable Energy Technology. A Support Layer for Solid Oxide Fuel Cells. The design and dimensioning of the digester is conducted in relation to the technological and biological parameters of the reactor. In August, Franklin Fuel Cell reported a successful test of Solid-Oxide Fuel Cell (SOFC) technology on 16 different types of fuels, including propane, methane, ethanol, natural gas, and diesel. and Farrusseng, D. A 1D solid oxide fuel cell model is created by integrating the electrolyte model and a 1D fuel flow model, which includes dynamic internal steam reforming of methane and water-gas shift reactions. 85%, an ethanol conversion of 100%, water to ethanol ratio 3:1 and no energy integration was developed. While these materials show great promise, scale up of protonic-ceramic fuel cells beyond the “button-cell” level remains limited. One of the possible applications of a methane/steam reforming reactor is to use it as a fuel processor for high-temperature fuel cells, especially for solid oxide fuel cells (SOFCs), because high-temperature fuel cells can utilize hydrogen as well as carbon monoxide in the. The system consists of one fuel compressor and one air compressor, two heat exchangers for preheating fuel and air streams, an IRSOFC stack, a combustor and a gas turbine. Technology: Plasma Reforming, Solid Oxide Electrolysis, Fischer-Tropsch Synthesis OxEon Energy and Environmental Products & Technologies Corporation (EPT) will conduct an engineering-scale demonstration, producing liquid hydrocarbon fuels using both the methane and CO2 generated in EPT’s food waste digester. Thin film micro-solid oxide fuel cells (µSOFCs) utilizing nanoporous ruthenium (Ru) anodes were fabricated and investigated for direct methane operation for the first time. 85, the minimum recirculation ratio is found to be 0. Anode supported solid oxide fuel cells (SOFCs), consisting of Ni+YSZ anode, YSZ electrolyte, and LSM+YSZ cathode, were fab-ricated and constant current tested with direct internal reforming of methane (steam to carbon ratio ~ 2) as well as hydrogen fuel at 800oC. Reducing the operating temperature of the SOFC stack is one of the significant directions being pursued to reduce the cost of SOFC stacks and balance of plant. On-cell methane (CH 4) reforming in Ni-based anodes is an attractive option for directly using CH 4-based fuels for solid oxide fuel cells (SOFCs) with high fuel efficiency and simplified system design 1,2. Read "A direct-flame solid oxide fuel cell (DFFC) operated on methane, propane, and butane, Journal of Power Sources" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Their off-gases can be used to fire a secondary gas turbine to improve electrical efficiency. Title: Solid oxide fuel cell performance comparison fuelled by methane, MeOH, EtOH and gasoline surrogate C 8 H 18. New small solid oxide fuel cell reaches record efficiency. Rather, the efficiency of the fuel cell based power plant can be increased to about 70% when coupled with a gas turbine. Further advantages of SOFC’s include; the high amount of heat enthalpy that is. Global sales of solid oxide fuel cells (SOFCs) will grow at a 22. November 25, 2010 Facebook; “If you can realize high-performance solid-oxide fuel cells that operate in the 300 C (572 F. Current fuel cell technologies require the use of a reformer - which turns hydrocarbon fuels. Toward highly efficient: in situ dry reforming of H2S contaminated methane in solid oxide fuel cells via incorporating a coke/sulfur resistant bimetallic catalyst layer. 30) has been developed as an anode component for solid oxide fuel cells running on methane fuel. This is distinct from internal reforming because the hydrocarbon fuel is introduced without a substantial amount of H 2 O, CO 2, or O 2. Temperatures of operation are typically 800–1,000 °C. In Solid Oxide systems, fuel cells use hydrogen and oxygen to produce electricity, water, and heat. Solid oxide fuel cell Partial internal reformation Counter flow design Thermal management abstract We study a counter-flow solid oxide fuel cell system and consider the challenges faced in minimizing thermal variations from the nominal operating conditions for a reasonable range of power tracking. The type of fuel cell Redox makes is called a solid-oxide fuel cell. SOFCs are suitable for many types of system configurations. [133 Pages Report] The global solid oxide fuel cell market was valued at USD 284. Direct Internal Reforming (DIR) on Solid Oxide Fuel Cell (SOFC) anodes is often considered for fuel cells systems utilising carbon based fuels. Steam Reforming of Methane using Ni-based Monolith Catalyst in Solid Oxide Fuel Cell System Jun Peng, Ying Wang, Qing Zhao, Shuang Ye, Wei Guo Wang Division of Fuel Cell and Energy Technology, Ningbo Institute of Material Technology & Engineering, Chinese Academy of Sciences No. While these materials show great promise, scale up of protonic-ceramic fuel cells beyond the “button-cell” level remains limited. Technical Barriers. Design and Performance of a VOC Abatement System Using a Solid Oxide Fuel Cell by Dhananjai Sudhakar Borwankar A thesis presented to the University of Waterloo. Siemens Westinghouse Power Corporation has developed tubular SOFC technology as part of the U. Solid oxide fuel cells (SOFCs) are potentially the most efficient technology for direct conversion of hydrocarbons to electricity. Braun, “Optimal Design and Operation of Solid Oxide Fuel Cell Systems for Distributed Generation,” Research Papers of the Link Foundation Fellows, Vol. Colonna, Modeling of solid oxide fuel cells for dynamic simulations of integrated systems, Applied Thermal Engineering (2009), doi: 10. An integrated high pressure and high temperature solid oxide fuel cell (SOFC) and steam methane reformer (SMR) system is analyzed for this application and the recoverable amount of methane from deep ocean sediments is measured. The aim of the present research is to characterize catalytic processes occurring on electrodes in the SC SOFC, in the presence of gas mixture composed of oxygen and methane. 08/kWh range based on a cost model using a standard approach to manufacturing solid oxide fuel cells. YOKOHAMA, Japan – In Brazil today, Nissan Motor Co. For comparison, a new type of SOFC with porous electrolyte can resist carbon deposition because it allows oxygen molecules to transport from the cathode to the anode. The electrochemical cells of solid oxide fuel cell stack 12 include an anode, cathode, and electrolyte, and the solid oxide fuel cell stack 12 includes anode (fuel) side 20 and cathode (oxidant) side 22. Capital costs comprise the most significant. Understanding and overcoming carbon deposition is crucial for the technology development. Solid Oxide Fuel Cell (SOFC) uses a solid oxide electrolyte e. Direct Internal Reforming (DIR) on Solid Oxide Fuel Cell (SOFC) anodes is often considered for fuel cells systems utilising carbon based fuels. Direct Internal Methane Steam Reforming in Operating Solid Oxide Fuel Cells A kinetic modelling approach Lindert van Biert4044452 4th of December 2014 Specialization Energy Technology, Faculty of Mechanical, Maritime, and Materials Engineering. Methane/natural gas has also been investigated for potential use in SOFCs, however hydrocarbons still result in greenhouse emissions. We seek a candidate with laboratory experience on processing and characterization of ceramic materials for fuel cells. In Solid Oxide systems, fuel cells use hydrogen and oxygen to produce electricity, water, and heat. • The NFCRC is using the 25 kW SOFC system to investigate the emissions and dynamic performance of fuel cells and reformer systems. (MSRI) - Electrogenerative Cells for Flexible Cogeneration of Power and Liquid Fuel: Oak Ridge National Laboratory (ORNL) - Nanocomposite Electrodes for a Solid Acid Fuel Cell Stack. 1 Background of Solid Oxide Fuel Cells The high operating temperature of solid oxide fuel cells (SOFCs) o ers advantages and disadvantages compared with low temperature fuel cells such as polymer electrolyte. SOFCs are around 60% efficient at converting fuel to electricity. A diagram of this cell is shown here. solid oxide fuel cells by infiltration Aleksander Chrzan, Simona Ovtar and Ming Chen-Three dimensional CFD modeling and experimental validation of a single chamber solid oxide fuel cell fed by methane H T Nguyen, M V Le, T A Nguyen et al. solid oxide fuel cell program The U. Siemens Westinghouse Power Corporation has developed tubular SOFC technology as part of the U. Internal reforming of methane in solid oxide fuel cell systems For stationary applications, i. Analysis and Simulation of an Anode Supported Solid Oxide Fuel Cell Single Channel for Operation with Biosyngas and Methane. Question: 2. Solid oxide fuel cells (SOFCs) are one type of fuel cell being developed at Forschungszentrum Jülich's Institute of Energy and Climate Research in an interdisciplinary approach. The fuel gas was applied. Here, we describe a solid oxide fuel cell that combines a catalyst layer with a conventional anode, allowing internal reforming of iso -octane without coking and yielding stable power densities of 0. Fuel cells can power almost about anything, from tiny microchips, to cars, to power plants. Compared to other fuel cell technologies, solid oxide fuel cell (SOFC) based systems are better suited to meeting NASA's efficiency targets while operating directly on methane and oxygen reactants. The implementation of solid oxide fuel cells (SOFCs) within gas turbine systems powered by natural gas (methane) requires an intermediate step of methane conversion to a mixture of hydrogen and carbon monoxide. Getting the energy they produce is an interesting process. Solid-oxide fuel cells (SOFCs) promise high efficiencies in a range of fuels. The system has a porous layer, a porous electrolyte layer with catalyst, a porous anode layer, and a porous catalyst layer. A porous solid oxide fuel cell (PSOFC) system for electricity and syngas co-generation. Internal reformation of low steam methane fuel is highly beneficial for improving the energy efficiency and reducing the system complexity and cost of solid oxide fuel cells (SOFCs). 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− is transported from the cathode to the anode. Solid oxide fuel cells (SOFCs) often operate at high temperatures which contributes to a higher efficiency and power density as compared to other types of fuel cells. Getting the energy they produce is an interesting process. On the basis of the cost breakdown of production cost data from fuel cell manufacturers, we developed a bottom-up model that allows for determining overall manufacturing costs from their. ITN proposes to create an innovative anode supported membrane electrode assembly (MEA) for solid oxide fuel cells (SOFCs) that is capable of long-term operation at low temperature by the direct oxidation of dry methane or syngas fuel without coke formation on the anode. However, the development of Solid-Oxide Fuel Cells (SOFC) is still facing a lot of challenges and a better understanding of the underlying internal steam reforming reaction is needed. Several experimental studies reported in. Edgar Abstract—Extending fuel cell lifetime is a necessary objective for reducing fuel cell power generation cost of electricity. Question: A Solid Oxide Fuel Cell With Electrolyte Ion O^2- And Fueled By Methane Is Operating At 400 Degree C. 07 for the fuel as methane and the selected syngas, respectively. 2O2–x (SDC) anodes for direct methane SOFCs. 6 watts per square centimeter. The design and dimensioning of the digester is conducted in relation to the technological and biological parameters of the reactor. Manufacturing and commercialization of fuel cell power plant systems in sizes ranging from 250kW to Multi-MW. Rechberger | Fuel Cell | 19 Juni 2018 |14 Range Extender Main Propulsion Both technologies & Range Extender can be used for passenger cars & commercial vehicles Solid Oxide Fuel Cell (SOFC) Polymer Electrolyte Membrane Fuel Cell (PEMFC) Efficiency: up to 55% Methanol e Ethanol-Gas Efficiency: up to 55% Fuel Cell Systems. Conversion of natural gas in solid oxide fuel cells (SOFC) promises to increase system level conversion efficiencies to above 60%, doubling the current efficiencies and significantly reducing the CO 2 emissions by a.