Outputs (54)

Simultaneous thermal and visual imaging of liquid water of the PEM fuel cell flow channels (2018)
Journal Article
Aslam, R. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2019). Simultaneous thermal and visual imaging of liquid water of the PEM fuel cell flow channels. Journal of the Energy Institute, 92(2), 311-318. https://doi.org/10.1016/j.joei.2018.01.005

Water flooding and membrane dry-out are two major issues that could be very detrimental to the performance and/or durability of the proton exchange membrane (PEM) fuel cells. The above two phenomena are well-related to the distributions of and the in... Read More about Simultaneous thermal and visual imaging of liquid water of the PEM fuel cell flow channels.

On the gas permeability of the microporous layer used in polymer electrolyte fuel cells (2017)
Journal Article
Orogbemi, O. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2018). On the gas permeability of the microporous layer used in polymer electrolyte fuel cells. Journal of the Energy Institute, 91(6), 894-901. https://doi.org/10.1016/j.joei.2017.09.006

In an attempt to obtain accurate values of the gas permeability of the microporous layer (MPL), substrates with negligible MPL penetration and of known gas permeability, i.e. membrane filters, have been employed. The values of the MPL permeability ob... Read More about On the gas permeability of the microporous layer used in polymer electrolyte fuel cells.

Simultaneous direct visualisation of liquid water in the cathode and anode serpentine flow channels of proton exchange membrane (PEM) fuel cells (2017)
Journal Article
Aslam, R. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2018). Simultaneous direct visualisation of liquid water in the cathode and anode serpentine flow channels of proton exchange membrane (PEM) fuel cells. Journal of the Energy Institute, 91(6), 1057-1070. https://doi.org/10.1016/j.joei.2017.07.003

Water flooding is detrimental to the performance of the proton exchange membrane fuel cell (PEMFC) and therefore it has to be addressed. To better understand how liquid water affects the fuel cell performance, direct visualisation of liquid water in... Read More about Simultaneous direct visualisation of liquid water in the cathode and anode serpentine flow channels of proton exchange membrane (PEM) fuel cells.

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.