Performance analysis of a PEM fuel cell unit in a solar–hydrogen system
作者： A YILANCI , I DINCER , H OZTURK
DOI: 10.1016/J.IJHYDENE.2008.10.016
关键词: Nuclear engineering 、 Current density 、 Proton exchange membrane fuel cell 、 Solar energy 、 Materials science 、 Anode 、 Parametric statistics 、 Thermodynamics 、 Exergy 、 Hydrogen production 、 Range (particle radiation)
摘要: Abstract In this paper, energy and exergy analyses for a 1.2 kWp Nexa PEM fuel cell unit in solar-based hydrogen production system is undertaken to investigate the performance of different operating conditions using experimental setup thermodynamic model. From model results, it found that there are reductions efficiencies (about 14%) with increase current density. These consistent data same conditions. A parametric study on its parameters changes variations temperature, pressure anode stoichiometry. The by 23% 15%, respectively. No noticeable observed temperature. decrease stoichiometry 17% 14%, observations reported given range density as 0.047–0.4 A/cm2. results show fuel-cell has lower than corresponding due irreversibilities not considered analysis. comparison data, accurate predicting proposed system. multivariable option selecting appropriate set plays significant role improving existing systems.
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