Journal ArticleDOI
Multi-Fuel Capability of Solid Oxide Fuel Cells
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In this paper, equilibria in various possible fuel gases are considered, and C-H-O diagrams are constructed, and power generation characteristics for these fuels are measured and compared with those for simulated reformed gas in equilibrium compositions.Abstract:
One of the most attractive features of solid oxide fuel cells is their flexibility for fuels so that internal reforming and/or simple external reforming may be possible. In this study, equilibria in various possible fuel gases are considered, and C–H–O diagrams are constructed. Power generation characteristics for these fuels are measured and compared with those for simulated reformed gas in equilibrium compositions. We have succeeded to demonstrate direct-alcohol SOFCs for e.g. methanol, ethanol, and propanol. Mixtures of CH4 and CO2 are used as simulated biogas, and iso-octane (C8H18) and n-dodecane (C12H26) are highlighted as simulated gasoline and kerosene, respectively. Influence of fuel impurities on power generation characteristics is also discussed.read more
Citations
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Electrolytes for solid oxide fuel cells
TL;DR: In this paper, a review of solid electrolytes being developed for solid oxide fuel cells, including zirconia-, ceria-and lanthanum gallate-based materials, are reviewed and compared.
Journal ArticleDOI
Effect of cathode and electrolyte transport properties on chromium poisoning in solid oxide fuel cells
TL;DR: In this article, the effects of the transport properties of the cathode and electrolyte materials of solid oxide fuel cells (SOFCs) were reviewed, with a focus on the effect of the chromium poisoning of SOFC cathodes.
Journal ArticleDOI
H2S Poisoning of Solid Oxide Fuel Cells
Kazunari Sasaki,K. Susuki,A. Iyoshi,M. Uchimura,N. Imamura,Hajime Kusaba,Yasutake Teraoka,H. Fuchino,K. Tsujimoto,Y. Uchida,N. Jingo +10 more
TL;DR: In this paper, the influence of H 2 S fuel impurity on power generation characteristics of solid oxide fuel cells (SOFCs) was analyzed by measuring cell voltage at a constant current density, as a function of fuel concentration, operational temperature, and fuel gas composition.
Journal ArticleDOI
Oxide anode materials for solid oxide fuel cells
TL;DR: In this article, the oxide materials being investigated as alternatives to the most commonly used nickel-YSZ cermet anodes for SOFCs are compared primarily in terms of their transport properties, but other properties relative to SOFC anode performance are also discussed.
Journal ArticleDOI
Nickel–Zirconia Anode Degradation and Triple Phase Boundary Quantification from Microstructural Analysis
TL;DR: In this paper, an anode degradation model is proposed to describe the gradual degradation of the anode due to nickel particle sintering and the concomitant loss of TPB.
References
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Journal ArticleDOI
Materials for fuel-cell technologies
TL;DR: Recent progress in the search and development of innovative alternative materials in the development of fuel-cell stack is summarized.
Book
Fuel cell systems explained
James Larminie,Andrew Dicks +1 more
TL;DR: In this paper, the first edition of this paper, the authors presented an analysis of fuel cell systems and their performance in terms of Molar Gibbs Free Energy Calculations (GFE) and Open Circuit Voltage.
Journal ArticleDOI
Equilibria in Fuel Cell Gases I. Equilibrium Compositions and Reforming Conditions
Kazunari Sasaki,Yasutake Teraoka +1 more
TL;DR: In this article, the amounts of equilibrium products for various fuel cell fuels including alkanes (CH 4, C 3 H 8, C 8 H 1 8, C 1 2 H 2 6 ), alcohols (CH 3 OH, C 2 H 5 OH,C 3 H 7 OH), alkenes, alicyclic hydrocarbons, and dimethyl ether, in the temperature range between 100 and 1000°C.
Journal ArticleDOI
Microstructure‐Property Relations of Solid Oxide Fuel Cell Cathodes and Current Collectors Cathodic Polarization and Ohmic Resistance
TL;DR: In this article, the effect of current path constrictions on the ohmic and non-ohmic losses is demonstrated using Pt current collectors of different geometric spacings and different microstructure of cathodes.