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A polymer electrolyte fuel cell life test: 3 years of continuous operation
Abstract Implementation of polymer electrolyte fuel cells (PEMFCs) for stationary power applications requires the demonstration of reliable fuel cell stack life. One of the most critical componentsExpand
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Analysis of GDL flooding effects on PEMFC performance
One of the major concerns of the gas diffusion layer (GDL) inside a proton exchange membrane fuel cell (PEMFC) is water management. Treatment of the pores of the GDL can affect the PEMFC performanceExpand
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The permeation of binary gas mixtures through support structures of composite membranes
Abstract The dusty gas model (DGM) is used to describe transport of binary gas mixtures through porous membrane supports to quantify the resistance towards permeation. The model equations account forExpand
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Experimental Method to Determine the Mass Transport Resistance of a Polymer Electrolyte Fuel Cell
A technique to measure an average mass-transport resistance of a polymer electrolyte fuel cell in situ is described. Experimental polarization curve data are extrapolated to the limiting current, atExpand
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Transport Phenomena in Elevated Temperature PEM Fuel Cells
There is a recognized need for operation of polymer electrolyte membrane (PEM) fuel cells at higher than 80°C for automotive applications. Electrochemically, higher temperature results in betterExpand
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Interplay among membrane properties, protein properties and operating conditions on protein fouling during normal-flow microfiltration
Abstract Normal-flow filtration is used frequently in the biopharmaceutical industry for applications such as sterile filtration of fermentation media, buffers and product proteins. Though theExpand
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The influence of the porous support layer of composite membranes on the separation of binary gas mixtures
Abstract Thin film composite (TFC) membranes exhibit a high flux for gas and vapor permeation and are viable for a wide range of applications. The high flux may also increase the importance of theExpand
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Nonisothermal Modeling of Polymer Electrolyte Fuel Cells II. Parametric Study of Low-Humidity Operation
A parametric study is carried out using the nonisothermal polymer electrolyte fuel cell (PEFC) model presented in Part I, which was experimentally validated against the current distribution data. TheExpand
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Evaluation of MD process performance: Effect of backing structures and membrane properties under different operating conditions
Abstract The paper presents investigations on the process performance of different membranes with and without backing structure in direct contact membrane distillation. Influences of backingExpand
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