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In this paper, quantitative analysis was implemented to reveal the mechanism of temperature distributions inside cross-flow stack. For this purpose, a differential model of planar cross-flow SOFC stack was built. The effectiveness of this model on describing temperature distributions were full validated by experiments on single cell and a 40-cell stack. Then, the quantitative analysis was given from...
As environment regulations for coal-fired power plants becomes more and more stringent in the future carbon-constrained world, the combination of solid oxide fuel cell (SOFC) and coal gasification provides a promising solution. The goal of this study was to integrate SOFC with coal gasification in the context of carbon capture. System modeling and simulation were performed with the aim at assessing...
Due to the ever increasing demand on energy and environmentally friendly sources of energy, it has become important to introduce a source of energy that is efficient and eco-friendly. In this paper, a parametric study of the PEM fuel cell is conducted in order to investigate the effect of different operating parameters on the efficiency and energy output of the cell, and later design parameters are...
Based on mathematical modeling and numerical simulations, the control strategy for a solid oxide fuel cell hybrid system (SOFC-HS) is presented. Adequate maps of performances with three independent parameters are shown. The independent parameters are as follows: stack current, fuel mass flow and turbine-compressor shaft speed. Those parameters can be controlled by external load, fuel valve and turbine-compressor...
The direct methanol fuel cell stack appears to have great advantages since the fuel is in a liquid form. However this liquid fuel causes the corrosion in the stack and therefore has a performance drop as a result. This paper addresses some of the causes of the associated problems. It is reported that the corrosion can be limited by eliminating all metal components in the anodic liquid flow circuit;...
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