Gas diffusion layer
The Model Development of Gas Diffusion Layer for PEM Fuel Cell
... -- Gas diffusion layer (GDL) is a crucial component of a proton-exchange membrane fuel cell (PEMFC) that participates in the transport of reactant gases and removes water from the ...the ...
7
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 mass transport losses which cause overvoltage due to which ...
8
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 ...
73
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 ...
15
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, ...
5
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 ...
5
The Effect of Gas Diffusion Layer PTFE Content on The Performance of High Temperature Proton Exchange Membrane Fuel Cell
... The results showed the use of a minimal quantity of PTFE in the carbon substrate (~15 wt%) and the MPL (~5-10 wt%) are suggested for both good mechanical properties of the GDLs and the good fuel cell performance. ...
8
The effects of compression on single and multiphase flow in a model polymer electrolyte membrane fuel cell gas diffusion layer
... Abstract A two-dimensional study of an idealised fibrous medium representing the gas diffusion layer of a PEMFC is conducted using computational fluid dynamics. Beginning with an isotropic case the ...
32
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 ...
13
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 ...
14
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 ...
13
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 ...
14
Numerical Investigation of Reactant Gases Pressure Distribution at Gas Diffusion Layer in High Temperature PEM Fuel Cell with Single Flow Channel Configuration
... giri2621988@gmail.com Abstract Performance of Proton Exchange Membrane Fuel Cell (PEMFC) is greatly affected by the design and operating parameters. Operating conditions like pressure, temperature, velocity etc.is the ...
6
Thermal conductivity measurement of gas diffusion layer used in PEMFC
... 17 flow channels. GDL also provides the necessary electrical conductivity between the catalyst layer and bipolar plates where the current collectors are located. Furthermore, it aids in removing the waste heat ...
86
Effect of Carbon Content on the Physical Properties of Carbon Composite Gas Diffusion Layer in PEMFCs
... composite gas diffusion layers (GDLs) containing carbon black and graphite for use in polymer electrolyte membrane fuel cells were prepared by a simple ...
10
Influence of PTFE on water transport in gas diffusion layer of polymer electrolyte membrane fuel cell
... The oxygen transport and water behaviors of PEMFC with different PTFE contents in GDL are studies by limiting current method. Special flow field with narrow channel and high stoichiometric ratio are applied for ...
16
Effect of polytetrafluoroethylene distribution in the gas diffusion layer on water flooding in proton exchange membrane fuel cells
... the gas diffusion layer on water flooding in proton exchange membrane fuel cells Wei Song, Hongmei Yu *, Zhigang Shao # , Baolian Yi, Jin Lin, Na Liu ...
5
Impact of anisotropy level of gas diffusion layer on the temperature distribution of a PEM fuel cell cathode electrode
... paper gas diffusion layers (GDLs) applying in the porous electrodes can have a great influence on the PEM fuel cell performance and distribution of temperature, especially at the cathode side where the ...
11
Pore scale 3D modelling of heat and mass transfer in the gas diffusion layer and cathode channel of a PEM fuel cell
... Copyright and reuse: City Research Online aims to make research outputs of City, University of London available to a wider audience.. Copyright and Moral Rights remain with the author([r] ...
6
Diffusion Through a Stagnant Gas Film
... of gas upward from the gas-liquid interface, and that the gas We know that there will be a net flow of gas upward from the gas-liquid interface, and that the gas velocity at the ...
27