Πλοήγηση ανά Θέμα "SOFC"
Αποτελέσματα 1-12 από 12
-
Electricity from ethanol fed SOFCs: the expectations for sustainable development and technological benefits
(2004)Based on a thermodynamic and economic analysis presented in the first part of this paper, ethanol is considered as an alternative fuel with suitable characteristics for electricity generation in SOFCs. Ethanol fed steam ... -
Exergetic potential of fuels: The case of a SOFC-based power plant
(2004)The method of exergy analysis is presented for a SOFC power plant involving external steam reforming and fed by methane and ethanol. The optimal operation parameters of the integrated SOFC plant are specified after minimizing ... -
Exergy analysis of a solid oxide fuel cell power plant fed by either ethanol or methane
(2004)The method of exergy analysis is presented for a solid oxide fuel cell (SOFC) power plant involving external steam reforming and fed by methane and ethanol. The parameters for optimal operation of the integrated SOFC plant ... -
Insights on thermal and transport features of BaCe0.8-xZrxY0.2O3-delta proton-conducting materials
(2015)BaCe0.8-xZrxY0.2O3-delta-based materials (BCZYx, 0 <= x <= 0.8) are obtained through a modified citrate-nitrate combustion method at 1150 degrees C with following sintering at 1450 degrees C. Then their thermomechanical ... -
Novel composite solid state electrolytes on the base of BaCeO3 and CeO2 for intermediate temperature electrochemical devices
(2013)In the present work, nano-sized powders of (1-x)Ce0.8Sm0.2O2-delta-xBaCe(0.8)Sm(0.2)O(3-delta) (x = 0, 0.3, 0.5, 0.7 and 1) were obtained by solution combustion synthesis (self-combustion synthesis, SCS) method of nitrate ... -
A SOFC based on a co-ionic electrolyte
(2004)In the present work the operation of a SOFC based on a co-ionic electrolyte is considered. The special case of ion transport in a co-ionic electrolyte is analyzed. It is shown that partial ion currents do not correspond ... -
SOFC fuel cell heat production: Analysis
(2011)In the present work the effect of various heat sources on the temperature field within an Anode Supported Planar Solid Oxide Fuel Cell (ASP-SOFC) is studied. In order to describe the thermal behavior within the SOFC during ... -
Sulfur and carbon tolerance of BaCeO3-BaZrO3 proton-conducting materials
(2015)In the present work, BaCe0.8-xZrxY0.2O3-delta-based ceramic samples (BCZYx) are prepared and their chemical stability in corrosive atmospheres containing high concentrations of H2O, CO2 and H2S is investigated. Based on ... -
Thermodynamic analysis of a methane fed SOFC system based on a protonic conductor
(2002)Possibility, of utilization of CO-containing fuel in a fuel cell based on a solid oxide protonic conductor (SOFC(H+)) is demonstrated. Thermodynamic analysis of a methane fed SOFC(H-) system is performed. It is stated that ... -
Thermodynamic and economic analysis of a steam reformer-solid oxide fuel cell system fed by natural gas and ethanol
(2002)In the present work, ethanol and methane are compared as candidate fuels for solid oxide fuel cells (SOFCs). The thermodynamic analysis of both alternatives was undertaken considering that a SOFC stack operates by being ... -
Total polarization effect on the location of maximum temperature value in planar SOFC
(2011)The aim of the present study is the evaluation and the location of the maximum temperature values within the solid and porous components of a planar SOFC under the effect of total polarization: Ohmic, activation, concentration ... -
Two-dimensional numerical study of temperature field in an anode supported planar SOFC: Effect of the chemical reaction
(2011)In the present work the effect of the chemical reaction on the temperature field in an anode supported planar SOFC is numerically studied by the aid of a two-dimensional mathematical model. For the model development the ...