Search Results for: fuel cell

Total Papers Found: 13
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Measurement of through-plane effective thermal conductivity and contact resistance in PEM fuel cell diffusion media

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A study of the through-plane thermal conductivity of various gas diffusion layer materials (GDL) and the thermal contact resistance between the GDL and an electrolytic iron surface as a function ...

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Direct measurement of through-plane thermal conductivity and contact resistance in fuel cell materials

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The through-plane thermal conductivity of many components of a fuel cell, dry Nafion®, various diffusion medias and catalyst layers are studied. The thermal contact resistance between the diffusion media and ...

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Thermal conductivity of catalyst layer of polymer electrolyte membrane fuel cells: Part 1 – Experimental study

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In this paper, a new method is proposed for measuring the through plane thermal conductivity of two catalyst layers of different thicknesses by the guarded heat flow meter (GHF) method, ...

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Thermal and electrical conductivity enhancement of graphite nanoplatelets on form-stable polyethylene glycol/polymethyl methacrylate composite phase change materials

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Graphite nano-platelets (GnPs) were dispersed in polyethylene glycol (PEG)/polymethyl methacrylate (PMMA) to form a PEG/PMMA/GnPs composite organic form-stable phase change material. The effects of the incorporation of ...

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Synergistic Effects and Modeling of Thermally Conductive Resins for Fuel Cell Bipolar Plate Applications

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Conductive carbon fillers (carbon black, carbon fiber, and synthetic graphite particles) were added to Vectra A950RX liquid crystal polymer and the axial and radial thermal conductivities were determined experimentally ...

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Microthermal sensors for determining fluid composition and flow rate in fluidic systems

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The use of hot disk sensors for the determination of content ratio in binary mixtures of fluids was investigated. The sensors were manufactured with various layouts of metal foil encapsulated ...

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Experimental and numerical study on thermal conductivity of proton exchange membrane

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Proton exchange membranes (PEM) are important components of proton exchange membrane fuel cells (PEMFC) which could potentially substitute fossil energy. The purpose of this study was to theoretically and experimentally ...

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Advancement of system designs and key engineering technologies for materials-based hydrogen storage 

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Aspects of hydrogen distribution systems need improvement for their applications in fuel cell vehicles. In this paper, chemical and physical characteristics of the H2 storage material, sodium aluminum hydride (SAH), ...

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Direct measurement of through-plane thermal conductivity of partially saturated fuel cell diffusion media

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This thesis looked at the relationship between thermal conductivity and compression and saturation in three different fuel cell diffusion media (DM). The stress-strain relationship of the materials was investigated using ...

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Synergistic Effects of Carbon Fillers in Thermally Conductive Liquid Crystal Polymer Based Resins

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Three different carbons (carbon black, synthetic graphite particles and carbon fiber) were added to Vectra A950RX Liquid Crystal Polymer in order to synthesize different composites for use in fuel ...

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