All Outputs (61)

Through-plane gas permeability of gas diffusion layers and microporous layer: Effects of carbon loading and sintering (2017)
Journal Article
Orogbemi, O. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2018). Through-plane gas permeability of gas diffusion layers and microporous layer: Effects of carbon loading and sintering. Journal of the Energy Institute, 91(2), 270-278. https://doi.org/10.1016/j.joei.2016.11.008

Knowledge of the absolute permeability for the various porous layers is necessary to obtain accurate profiles for water saturation within the membrane electrode assembly (MEA) in a two-phase model of a polymer electrolyte membrane fuel cell (PEMFC).... Read More about Through-plane gas permeability of gas diffusion layers and microporous layer: Effects of carbon loading and sintering.

Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework (2017)
Journal Article
Ismail, M. S., Ingham, D. B., Ma, L., Hughes, K. J., & Pourkashanian, M. (2017). Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework. Energy, 122, 420-430. https://doi.org/10.1016/j.energy.2017.01.092

A multi-scale modelling framework is developed for the PEFC cathode electrode. Unlike the conventional agglomerate model, the effects of the microstructure of the agglomerate are numerically coupled to the fuel cell-scale model in this framework. Thi... Read More about Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework.

The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells (2016)
Journal Article
Orogbemi, O. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2016). The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells. International Journal of Hydrogen Energy, 41(46), 21345-21351. https://doi.org/10.1016/j.ijhydene.2016.09.160

The effects of the composition of the microporous layer (MPL) on the through-plane permeability of the gas diffusion layers (GDLs) used in polymer electrolyte fuel cells (PEFCs) have been thoroughly experimentally investigated in this paper. For a gi... Read More about The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells.

The effects of shape on the performance of cathode catalyst agglomerates in polymer electrolyte fuel cells A micro-scale FEM study (2016)
Journal Article
Ismail, M., Ingham, D., Hughes, K. J., Ma, L., & Pourkashanian, M. (2016). The effects of shape on the performance of cathode catalyst agglomerates in polymer electrolyte fuel cells A micro-scale FEM study. International Journal of Numerical Methods for Heat and Fluid Flow, 26(3-4), 1145-1156. https://doi.org/10.1108/HFF-10-2015-0416

Purpose - The purpose of this paper is to numerically investigate the effects of the shape on the performance of the cathode catalyst agglomerate used in polymer electrolyte fuel cells (PEFCs). The shapes investigated are slabs, cylinders and spheres... Read More about The effects of shape on the performance of cathode catalyst agglomerates in polymer electrolyte fuel cells A micro-scale FEM study.

Metal-free nitrogen-doped carbon foam electrocatalysts for the oxygen reduction reaction in acid solution (2016)
Journal Article
Liu, J., Yu, S., Daio, T., Ismail, M. S., Sasaki, K., & Lyth, S. M. (2016). Metal-free nitrogen-doped carbon foam electrocatalysts for the oxygen reduction reaction in acid solution. Journal of the Electrochemical Society, 163(9), F1049-F1054. https://doi.org/10.1149/2.0631609jes

Metal-free, nitrogen-doped carbon foam is utilized as a model non-precious electrocatalyst system to investigate the role of nitrogen in the oxygen reduction reaction (ORR) in the absence of iron contamination. This graphene-like foam displays relati... Read More about Metal-free nitrogen-doped carbon foam electrocatalysts for the oxygen reduction reaction in acid solution.

Effective diffusivity of polymer electrolyte fuel cell gas diffusion layers: An overview and numerical study (2015)
Journal Article
Ismail, M. S., Ingham, D. B., Hughes, K. J., Ma, L., & Pourkashanian, M. (2015). Effective diffusivity of polymer electrolyte fuel cell gas diffusion layers: An overview and numerical study. International Journal of Hydrogen Energy, 40(34), 10994-11010. https://doi.org/10.1016/j.ijhydene.2015.06.073

Published experimental and theoretical investigations conducted to estimate the effective diffusivity of the gas diffusion layers (GDLs) and other porous layers in polymer electrolyte fuel cells (PEFCs) have been reviewed. The main observations are t... Read More about Effective diffusivity of polymer electrolyte fuel cell gas diffusion layers: An overview and numerical study.

An efficient mathematical model for air-breathing PEM fuel cells (2014)
Journal Article
Ismail, M. S., Ingham, D. B., Hughes, K. J., Ma, L., & Pourkashanian, M. (2014). An efficient mathematical model for air-breathing PEM fuel cells. Applied energy, 135, 490-503. https://doi.org/10.1016/j.apenergy.2014.08.113

A simple and efficient mathematical model for air-breathing proton exchange membrane (PEM) fuel cells has been built. One of the major objectives of this study is to investigate the effects of the Joule and entropic heat sources, which are often negl... Read More about An efficient mathematical model for air-breathing PEM fuel cells.

The through-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly and gas diffusion layer in proton exchange membrane fuel cells (2014)
Journal Article
Alhazmi, N., Ingham, D. B., Ismail, M. S., Hughes, K., Ma, L., & Pourkashanian, M. (2014). The through-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly and gas diffusion layer in proton exchange membrane fuel cells. Journal of power sources, 270, 59-67. https://doi.org/10.1016/j.jpowsour.2014.07.082

The thermal conductivity of the components of the membrane electrode assembly (MEA) and GDL must be accurately estimated in order to better understand the heat transfer processes in the proton exchange membrane (PEM) fuel cells. In this study, an exp... Read More about The through-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly and gas diffusion layer in proton exchange membrane fuel cells.

The fuel cell model of abiogenesis: A new approach to origin-of-life simulations (2014)
Journal Article
Barge, L. M., Kee, T. P., Doloboff, I. J., Hampton, J. M., Ismail, M., Pourkashanian, M., …Kanik, I. (2014). The fuel cell model of abiogenesis: A new approach to origin-of-life simulations. Astrobiology, 14(3), 254-270. https://doi.org/10.1089/ast.2014.1140

In this paper, we discuss how prebiotic geo-electrochemical systems can be modeled as a fuel cell and how laboratory simulations of the origin of life in general can benefit from this systems-led approach. As a specific example, the components of wha... Read More about The fuel cell model of abiogenesis: A new approach to origin-of-life simulations.

Thermal modelling of the cathode in air-breathing PEM fuel cells (2013)
Journal Article
Ismail, M. S., Ingham, D. B., Hughes, K. J., Ma, L., & Pourkashanian, M. (2013). Thermal modelling of the cathode in air-breathing PEM fuel cells. Applied energy, 111, 529-537. https://doi.org/10.1016/j.apenergy.2013.05.007

A thermal two-dimensional model has been built for an air-breathing proton exchange membrane (PEM) fuel cell that has been reported in the literature. The objective of the study is to investigate the thermal situation over the cathode surface of the... Read More about Thermal modelling of the cathode in air-breathing PEM fuel cells.

The in-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly in proton exchange membrane fuel cells (2013)
Journal Article
Alhazmi, N., Ismail, M. S., Ingham, D. B., Hughes, K. J., Ma, L., & Pourkashanian, M. (2013). The in-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly in proton exchange membrane fuel cells. Journal of power sources, 241, 136-145. https://doi.org/10.1016/j.jpowsour.2013.04.100

Understanding the thermal properties of the materials which are used in a proton exchange membrane fuel cell (PEM) is essential for the thermal management of a PEM fuel cell and consequently for improving its performance. In this paper, the parallel... Read More about The in-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly in proton exchange membrane fuel cells.

The contact resistance between gas diffusion layers and bipolar plates as they are assembled in proton exchange membrane fuel cells (2012)
Journal Article
Ismail, M. S., Ingham, D. B., Ma, L., & Pourkashanian, M. (2013). The contact resistance between gas diffusion layers and bipolar plates as they are assembled in proton exchange membrane fuel cells. Renewable energy, 52, 40-45. https://doi.org/10.1016/j.renene.2012.10.025

The contact resistance between the gas diffusion layer (GDL) and the bipolar plate has been experimentally estimated as they are assembled in proton exchange membrane (PEM) fuel cells. A number of coated and non-coated GDLs, graphite bipolar plates a... Read More about The contact resistance between gas diffusion layers and bipolar plates as they are assembled in proton exchange membrane fuel cells.

Effect of PTFE loading of gas diffusion layers on the performance of proton exchange membrane fuel cells running at high-efficiency operating conditions (2012)
Journal Article
Ismail, M. S., Hughes, K. J., Ingham, D. B., Ma, L., & Pourkashanian, M. (2013). Effect of PTFE loading of gas diffusion layers on the performance of proton exchange membrane fuel cells running at high-efficiency operating conditions. International journal of energy research, 37(13), 1592-1599. https://doi.org/10.1002/er.2968

In this paper, the effects of microporous layer (MPL) addition and polytetrafluoroethylene (PTFE) loading of gas diffusion layers (GDLs) on the overall performance of the proton exchange membrane fuel cell have been investigated. The focus was on fue... Read More about Effect of PTFE loading of gas diffusion layers on the performance of proton exchange membrane fuel cells running at high-efficiency operating conditions.

Effect of the anisotropic thermal conductivity of GDL on the performance of PEM fuel cells (2012)
Journal Article
Alhazmi, N., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2013). Effect of the anisotropic thermal conductivity of GDL on the performance of PEM fuel cells. International Journal of Hydrogen Energy, 38(1), 603-611. https://doi.org/10.1016/j.ijhydene.2012.07.007

Gas diffusion layers (GDLs) are one of the main components in proton exchange membrane (PEM) fuel cells. In this paper, the effect of anisotropic thermal conductivity of the GDL is numerically investigated under different operating temperatures. Furt... Read More about Effect of the anisotropic thermal conductivity of GDL on the performance of PEM fuel cells.

Effects of anisotropic permeability and electrical conductivity of gas diffusion layers on the performance of proton exchange membrane fuel cells (2012)
Journal Article
Ismail, M. S., Hughes, K. J., Ingham, D. B., Ma, L., & Pourkashanian, M. (2012). Effects of anisotropic permeability and electrical conductivity of gas diffusion layers on the performance of proton exchange membrane fuel cells. Applied energy, 95, 50-63. https://doi.org/10.1016/j.apenergy.2012.02.003

A 3-dimensional model for an in-house proton exchange membrane (PEM) fuel cell with serpentine channels has been developed in order to investigate the sensitivity of the fuel cell performance to the anisotropic gas permeability and electrical conduct... Read More about Effects of anisotropic permeability and electrical conductivity of gas diffusion layers on the performance of proton exchange membrane fuel cells.

On the compressibility of gas diffusion layers in proton exchange membrane fuel cells (2012)
Journal Article
Ismail, M. S., Hassanpour, A., Ingham, D. B., Ma, L., & Pourkashanian, M. (2012). On the compressibility of gas diffusion layers in proton exchange membrane fuel cells. Fuel Cells, 12(3), 391-397. https://doi.org/10.1002/fuce.201100054

The mechanical behavior under compression for a number of gas diffusion layers (GDLs) and a sealing gasket used in proton exchange membrane fuel cells (PEMFCs) has been investigated. The results show that the stiffness of the carbon substrate increas... Read More about On the compressibility of gas diffusion layers in proton exchange membrane fuel cells.

On the through-plane permeability of microporous layer-coated gas diffusion layers used in proton exchange membrane fuel cells (2010)
Journal Article
Ismail, M. S., Borman, D., Damjanovic, T., Ingham, D. B., & Pourkashanian, M. (2011). On the through-plane permeability of microporous layer-coated gas diffusion layers used in proton exchange membrane fuel cells. International Journal of Hydrogen Energy, 36(16), 10392-10402. https://doi.org/10.1016/j.ijhydene.2010.09.012

The through-plane permeability has been experimentally measured for microporous layer (MPL)-coated gas diffusion layers (GDLs) as used in proton exchange membrane fuel cells (PEMFCs). Provided that the carbon substrate is maintained unchanged, the re... Read More about On the through-plane permeability of microporous layer-coated gas diffusion layers used in proton exchange membrane fuel cells.

Transparent PEM fuel cells for direct visualization experiments (2010)
Journal Article
Rosli, M. I., Borman, D. J., Ingham, D. B., Ismail, M. S., Ma, L., & Pourkashanian, M. (2010). Transparent PEM fuel cells for direct visualization experiments. Journal of Electrochemical Energy Conversion and Storage, 7(6), Article 061015. https://doi.org/10.1115/1.4001353

This paper reviews some of the previous research works on direct visualization of water behavior inside proton exchange membrane (PEM) fuel cells using a transparent single cell. Several papers which have employed the method have been selected and su... Read More about Transparent PEM fuel cells for direct visualization experiments.

Through-plane permeability for untreated and PTFE-treated gas diffusion layers in proton exchange membrane fuel cells (2010)
Journal Article
Ismail, M. S., Damjanovic, T., Hughes, K., Ingham, D. B., Ma, L., Pourkashanian, M., & Rosli, M. (2010). Through-plane permeability for untreated and PTFE-treated gas diffusion layers in proton exchange membrane fuel cells. Journal of Electrochemical Energy Conversion and Storage, 7(5), Article 051016. https://doi.org/10.1115/1.4000685

The through-plane permeability has been experimentally measured for untreated and polytetrafluoroethylene-treated (PTFE-treated) gas diffusion layers (GDLs), as used in proton exchange membrane fuel cells. Contrary to what the literature has previous... Read More about Through-plane permeability for untreated and PTFE-treated gas diffusion layers in proton exchange membrane fuel cells.

Effect of polytetrafluoroethylene-treatment and microporous layer-coating on the in-plane permeability of gas diffusion layers used in proton exchange membrane fuel cells (2010)
Journal Article
Ismail, M. S., Damjanovic, T., Ingham, D. B., Ma, L., & Pourkashanian, M. (2010). Effect of polytetrafluoroethylene-treatment and microporous layer-coating on the in-plane permeability of gas diffusion layers used in proton exchange membrane fuel cells. Journal of power sources, 195(19), 6619-6628. https://doi.org/10.1016/j.jpowsour.2010.04.036

The in-plane permeability has been experimentally estimated for a number of carbon substrates and microporous layer (MPL)-coated gas diffusion layers (GDLs) as used in proton exchange membrane (PEM) fuel cells. The results show that the in-plane perm... Read More about Effect of polytetrafluoroethylene-treatment and microporous layer-coating on the in-plane permeability of gas diffusion layers used in proton exchange membrane fuel cells.