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Study Of The Effects Of Soot Particulate And Other Contaminants On Molten Carbonate Fuel Cells Fueled By Coal Gas
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Book Synopsis Study of the Effects of Soot, Particulate, and Other Contaminants on Molten Carbonate Fuel Cells Fueled by Coal Gas by : T. Tawari
Download or read book Study of the Effects of Soot, Particulate, and Other Contaminants on Molten Carbonate Fuel Cells Fueled by Coal Gas written by T. Tawari and published by . This book was released on 1985 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of the Effects of Soot, Particulate, and Other Contaminants on Molten Carbonate Fuel Cells Fueled by Coal Gas by : A. Pigeaud
Download or read book Study of the Effects of Soot, Particulate, and Other Contaminants on Molten Carbonate Fuel Cells Fueled by Coal Gas written by A. Pigeaud and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Coal-derived Trace Species on Performance of Molten Carbonate Fuel Cells. Final Report by :
Download or read book Effects of Coal-derived Trace Species on Performance of Molten Carbonate Fuel Cells. Final Report written by and published by . This book was released on 1992 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Carbonate Fuel Cell is a very promising option for highly efficient generation of electricity from many fuels. If coal-gas is to be used, the interactions of coal-derived impurities on various fuel cell components need to be understood. Thus the effects on Carbonate Fuel Cell performance due to ten different coal-derived contaminants viz., NH3, H2S, HCl, H2Se, AsH3, Zn, Pb, Cd, Sn, and Hg, have been studied at Energy Research Corporation. Both experimental and theoretical evaluations were performed, which have led to mechanistic insights and initial estimation of qualitative tolerance levels for each species individually and in combination with other species. The focus of this study was to investigate possible coal-gas contaminant effects on the anode side of the Carbonate Fuel Cell, using both out-of-cell thermogravimetric analysis by isothermal TGA, and fuel cell testing in bench-scale cells. Separate experiments detailing performance decay in these cells with high levels of ammonia contamination (1 vol %) and with trace levels of Cd, Hg, and Sn, have indicated that, on the whole, these elements do not affect carbonate fuel cell performance. However, some performance decay may result when a number of the other six species are present, singly or simultaneously, as contaminants in fuel gas. In all cases, tolerance levels have been estimated for each of the 10 species and preliminary models have been developed for six of them. At this stage the models are limited to isothermal, benchscale (300 cm2 size) single cells. The information obtained is expected to assist in the development of coal-gas cleanup systems, while the contaminant performance effects data will provide useful basic information for modeling fuel cell endurance in conjunction with integrated gasifier/fuel-cell systems (IGFC).
Download or read book Energy Research Abstracts written by and published by . This book was released on 1986 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Coal-derived Trace Species on Performance of Molten Carbonate Fuel Cells by :
Download or read book Effects of Coal-derived Trace Species on Performance of Molten Carbonate Fuel Cells written by and published by . This book was released on 1992 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Carbonate Fuel Cell is a very promising option for highly efficient generation of electricity from many fuels. If coal-gas is to be used, the interactions of coal-derived impurities on various fuel cell components need to be understood. Thus the effects on Carbonate Fuel Cell performance due to ten different coal-derived contaminants viz., NH3, H2S, HCl, H2Se, AsH3, Zn, Pb, Cd, Sn, and Hg, have been studied at Energy Research Corporation. Both experimental and theoretical evaluations were performed, which have led to mechanistic insights and initial estimation of qualitative tolerance levels for each species individually and in combination with other species. The focus of this study was to investigate possible coal-gas contaminant effects on the anode side of the Carbonate Fuel Cell, using both out-of-cell thermogravimetric analysis by isothermal TGA, and fuel cell testing in bench-scale cells. Separate experiments detailing performance decay in these cells with high levels of ammonia contamination (1 vol %) and with trace levels of Cd, Hg, and Sn, have indicated that, on the whole, these elements do not affect carbonate fuel cell performance. However, some performance decay may result when a number of the other six species are present, singly or simultaneously, as contaminants in fuel gas. In all cases, tolerance levels have been estimated for each of the 10 species and preliminary models have been developed for six of them. At this stage the models are limited to isothermal, benchscale (300 cm2 size) single cells. The information obtained is expected to assist in the development of coal-gas cleanup systems, while the contaminant performance effects data will provide useful basic information for modeling fuel cell endurance in conjunction with integrated gasifier/fuel-cell systems (IGFC).
Download or read book Energy Research Abstracts written by and published by . This book was released on 1988 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fuel Cell Handbook (Sixth Edition) by :
Download or read book Fuel Cell Handbook (Sixth Edition) written by and published by DIANE Publishing. This book was released on with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Coal-derived Trace Species on the Performance of Molten Carbonate Fuel Cells. Topical Report on Thermochemical Studies by :
Download or read book Effects of Coal-derived Trace Species on the Performance of Molten Carbonate Fuel Cells. Topical Report on Thermochemical Studies written by and published by . This book was released on 1991 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of the present study was to determine in detail the interaction effects of 10 simultaneously present, coal-gas contaminants, both on each other and on components of the Carbonate Fuel Cell. The primary goal was to assess underlying chemistries and reaction mechanisms which may cause decay in fuel cell performance or endurance as a result of both physics-chemical and/or mechanical interactions with the cell components and internal fuel cell parts. It was found, both from theory and cell test evidence, that trace contaminant interactions may occur with: Fuel-cell Electrodes (e.g., in this study with the Ni-anode), Lithium/Potassium Carbonate Electrolyte, Nickel and SS-Hardware, and by Mechanical Obstruction of Gas Flow in the Anode Plenum.
Book Synopsis Effects of Coal-derived Trace Species on the Performance of Molten Carbonate Fuel Cells by :
Download or read book Effects of Coal-derived Trace Species on the Performance of Molten Carbonate Fuel Cells written by and published by . This book was released on 1991 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall objective of the present study was to determine in detail the interaction effects of 10 simultaneously present, coal-gas contaminants, both on each other and on components of the Carbonate Fuel Cell. The primary goal was to assess underlying chemistries and reaction mechanisms which may cause decay in fuel cell performance or endurance as a result of both physics-chemical and/or mechanical interactions with the cell components and internal fuel cell parts. It was found, both from theory and cell test evidence, that trace contaminant interactions may occur with: Fuel-cell Electrodes (e.g., in this study with the Ni-anode), Lithium/Potassium Carbonate Electrolyte, Nickel and SS-Hardware, and by Mechanical Obstruction of Gas Flow in the Anode Plenum.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1986 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1986 with total page 1164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Coal Abstracts written by and published by . This book was released on 1987 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Electrochemical Society. High Temperature Materials Division Publisher : ISBN 13 :9781566773225 Total Pages :1128 pages Book Rating :4.7/5 (732 download)
Book Synopsis Solid Oxide Fuel Cells VII by : Electrochemical Society. High Temperature Materials Division
Download or read book Solid Oxide Fuel Cells VII written by Electrochemical Society. High Temperature Materials Division and published by . This book was released on 2001 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Several Trace Contaminants on Fuel Cell Performance. [Theoretical Study]. by :
Download or read book Effects of Several Trace Contaminants on Fuel Cell Performance. [Theoretical Study]. written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The electrochemical reactivity of various trace contaminants in coal gas, i.e., Hg/HgS, PbS, CdS, Sn/SnCl/sub 2//SnCl/sub 4/, and TiO/sub 2/, in coal gas at the nickel anode and the nickel oxide cathode in a molten carbonate fuel cell have been examined thermodynamically. Calculations indicate that only SnCl/sub 4/ would undergo reduction at the cathode to SnCl/sub 2/. Other species would remain intact. Contaminants such as H/sub 2/S/SO/sub 2/ and HCl have also been included in the calculation. The results are consistent with the limited observations. Possible chemical interactions between contaminants and electrodes or electrolytes have been examined. Reactions of Sn/sup 2 +/, HgS, H/sub 2/S, and HCl with the nickel anode have negative free energies. Mercury would interact physically with the anode by forming an alloy. Reactions of Sn, SnCl/sub 2/, H/sub 2/S, and HCl with the nickel oxide cathode also have negative free energies. Reactions of Sn/sup 2 +/, HCl, H/sub 2/S, and SO/sub 2/ with carbonates have large negative free energies. Born's model of ion transfer was used to calculate the free energy charge for the transfer of ions from aqueous solution to the molten carbonate solution.
Book Synopsis Effect of Coal Contaminants on Solid Oxide Fuel System Performance and Service Life by :
Download or read book Effect of Coal Contaminants on Solid Oxide Fuel System Performance and Service Life written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Department of Energy's SECA program envisions the development of high-efficiency, low-emission, CO2 sequestration-ready, and fuel-flexible technology to produce electricity from fossil fuels. One such technology is the integrated gasification-solid oxide fuel cell (SOFC) that produces electricity from the gas stream of a coal gasifier. SOFCs have high fuel-to-electricity conversion efficiency, environmental compatibility (low NO(subscript x) production), and modularity. Naturally occurring coal has many impurities and some of these impurities end in the fuel gas stream either as a vapor or in the form of fine particulate matter. Establishing the tolerance limits of SOFCs for contaminants in the coal-derived gas will allow proper design of the fuel feed system that will not catastrophically damage the SOFC or allow long-term cumulative degradation. The anodes of Ni-cermet-based SOFCs are vulnerable to degradation in the presence of contaminants that are expected to be present in a coal-derived fuel gas stream. Whereas the effects of some contaminants such as H2S, NH3 and HCl have been studied, the effects of other contaminants such as As, P, and Hg have not been ascertained. The primary objective of this study was to determine the sensitivity of the performance of solid oxide fuel cells to trace level contaminants present in a coal-derived gas stream in the temperature range 700 to 900 C. The results were used to assess catastrophic damage risk and long-term cumulative effects of the trace contaminants on the lifetime expectancy of SOFC systems fed with coal-derived gas streams.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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