منابع مشابه
SOFC characteristics along the flow path
Solid oxide fuel cells (SOFCs) in metallic housings were integrally and locally characterised. The tests were performed in counter flow operation for hydrogen concentrations from 2% to 100%, to identify concentration limitations and to optimise fuel utilisation. Cell characterisations were performed by spatially resolved electrochemical impedance spectroscopy (EIS), current density/voltage (i–V...
متن کاملRadiation Heat Transfer in Planar SOFC Components: Application of the Lattice Boltzmann Method
Thermal radiation plays a very important role in the heat transfer combination through the various components of the SOFC fuel cell operating at high temperatures. Lattice Boltzmann method is used for treating conduction-radiation heat transfer in the electrolyte. The thermal radiation heat transfer is coupled to the overall energy conservation equations through the divergence of the local radi...
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The discharge characteristics of silver vanadium oxide (SVO) as a cathode in lithium–silver vanadium oxide (Li–SVO) primary battery was studied under various operating conditions. The cathode yielded a capacity of 260 mAh g at a current density of 0.08 mA cm, although the theoretical capacity of this material is 315 mAh g. The pulse discharge characteristics were studied under conditions that s...
متن کاملUniversal structural characteristics of planar granular packs.
The dependence of structural self-organization of granular materials on preparation and grain parameters is key to predictive modeling. We study 60 different mechanically equilibrated polydisperse disc packs, generated numerically by two protocols. We show that, for same-variance disc size distributions (DSDs), (1) the mean coordination number of rattler-free packs versus the packing fraction i...
متن کاملMicrostructural characteristics of planar granular solids
The microstructure of granular materials is the main factor determining their macroscopic behaviour. We study systematically the statistical characteristics of volume elements (called quadrons) of microstructures of monoand polydisperse planar disc packs granular and report a number of new results. The packs analysed were of different intergranular friction coefficients ,μ , contained about 20,...
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ژورنال
عنوان ژورنال: ECS Proceedings Volumes
سال: 1993
ISSN: 0161-6374,2576-1579
DOI: 10.1149/199304.0766pv