Gas diffusion layer (GDL)
Effect of Segmented Current Collection Contacts Attached to Gas Diffusion Layer in Micro PEM Fuel Cells with Ceramic Flow Field Plates
... Proton exchange membrane fuel cells (PEMFCs) are very promising for power stationary applications. One of the key components of fuel cells is the flow field plate through which hydrogen fuel will reach the anode and ...
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Numerical Simulation of Non-Uniform Gas Diffusion Layer Porosity Effect on Polymer Electrolyte Membrane Fuel Cell Performance
... Abstract Gas diffusion layers are essential components of proton exchange membrane fuel cell since the reactants should pass through these ...along gas diffusion ...the gas ...
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Pore scale 3D modelling of heat and mass transfer in the gas diffusion layer and cathode channel of a PEM fuel cell
... the gas diffusion layer (GDL) of proton exchange membrane (PEM) fuel cells can be a bottleneck to the system’s e f ficiency and even durability under certain operating ...
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Effects of Catalyst Layer and Gas Diffusion Layer Thickness on the Performance of Activated Carbon Air-cathode for Microbial Fuel Cells
... The air-cathode is one of the most widely-used cathodes with one side directly exposed to the air. It is usually consisted of a gas diffusion layer (GDL), a current collector and a catalyst ...
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Effect of Cell Potentials on Gas Diffusion Layer Velocity with Serpentine Flow Channel in PEM Fuel Cell
... at Gas Diffusion Layer (GDL)with conventional serpentine flow field in Proton Exchange Membrane Fuel Cell (PEMFC) is numerically ...at Gas Diffusion ...the Gas Diffusion ...
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The effects of compression on single and multiphase flow in a model polymer electrolyte membrane fuel cell gas diffusion layer
... The Gas Diffusion Layer (GDL) of a Polymer Electrolyte Membrane Fuel Cell (PEMFC) is a crucial component and performs several functions simultaneously; it facilitates reactant gas transport ...
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Preparation, characterization and comparative study of gas diffusion layer for pem fuel cell
... the gas diffusion media is sandwiched between the bipolar plate and the catalyst layer to form the gas diffusion layer ...macroporous layer were prepared using coir pith ...
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Performance of gas diffusion layer derived from carbon powder of coconut coir for PEMFC application
... Gas diffusion layer (GDL) plays an important role in polymer electrolyte membrane fuel cell ...provides diffusion media that transport reactant gas into catalyst layer, ...
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The Model Development of Gas Diffusion Layer for PEM Fuel Cell
... Gas diffusion layer (GDL) is a thin layer in a PEMFC that plays an important function in improving PEMFC ...catalyst layer and remove the water out of the fuel ...catalyst layer ...
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Effect of temperature on the in-plane permeability of the gas diffusion layer of a PEM fuel cell
... the gas diffusion ...the gas relative permeability reduced very rapidly. The gas relative permeability was insignificant as liquid saturation increased to ...
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Thermal conductivity measurement of gas diffusion layer used in PEMFC
... of gas diffusion layer (GDL) as a function of temperature and compression, and also to develop an effective thermal conductivity (ETC) model to predict thermal conductivity of fibrous media as a ...
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The Effect of Gas Diffusion Layer PTFE Content on The Performance of High Temperature Proton Exchange Membrane Fuel Cell
... Gas diffusion layer (GDL) with different polytetrafluoroethylene (PTFE) contents in the carbon substrate and the micro-porous layer (MPL) were investigated for the application in poly(2,5- ...
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Effect of Gas Diffusion Layer With Double-Side Microporous Layer Coating on Proton Exchange Membrane Fuel Cell Performance Under Different Air Inlet Relative Humidity
... cathode gas diffusion layer (GDL) with double-side microporous layer (MPL) coating on the performance of a proton exchange membrane fuel cell (PEMFC) are tested under different relative ...
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Effect of Carbon Content on the Physical Properties of Carbon Composite Gas Diffusion Layer in PEMFCs
... of PEMFCs, consists of a catalyst, polymer electrolyte membrane (PEM), and gas diffusion layer (GDL). The GDL has the role of diffusing reactant gases, providing mechanical support, providing an ...
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Pore scale 3D modelling of heat and mass transfer in the gas diffusion layer and cathode channel of a PEM fuel cell
... Citation: Kopanidis, A., Theodorakakos, A., Gavaises, M. and Bouris, D. (2011). Pore scale 3D modelling of heat and mass transfer in the gas diffusion layer and cathode channel of a PEM fuel cell. ...
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Impact of anisotropy level of gas diffusion layer on the temperature distribution of a PEM fuel cell cathode electrode
... catalyst layer in the modelling of the cathode electrode by the lattice Boltzmann method seems to be a great challenge ...catalyst layer in which the electrochemical reaction occurs is considered to be ...
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Influence of PTFE on water transport in gas diffusion layer of polymer electrolyte membrane fuel cell
... In GDLs, liquid water is transferred from the CLs to flow channels by capillary forces [2]. In the opposite direction, the electrode surface requires an effective diffusion of reactant gas to maintain the ...
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Zeolite Based Air Electrodes for Secondary Batteries
... a gas-diffusion layer (GDL) which ensures the needed oxygen and a bifunctional catalytic layer (CL) where the oxygen reduction/evolution takes place [10, ...its gas permeability and ...
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Modeling and finite element mass transport analysis of a polymer electrolyte membrane fuel cell at different operating conditions
... a Gas diffusion layer, Catalyst and an ...(Gas Diffusion Layer) is to enhance the reactant gas flow through the ...
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Transport coefficients of binary gas mixtures
... In this chapter 9 the velocity distribution function is expanded in terms of the polynomials of the velocity vector using the notation of Fano and Racah (F,R.-59). This expansion is useful because we can exploit the ...
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