Journal ArticleDOI
A technical review on gas diffusion, mechanism and medium of PEM fuel cell
Arunkumar Jayakumar,Sundar Pethaiah Sethu,Maximiano Ramos,John Robertson,Ahmed M. Al-Jumaily +4 more
TLDR
In this paper, the authors provide a comprehensive assessment on gas diffusion mechanism, geometry of GDL components and related modelling studies involved in GDL fabrication, and the impact of GTL on diffusion of reactants, water management and the transport of ions.Abstract:
The operation of polymer electrolyte membrane (PEM)-based fuel cells involves numerous physicochemical processes and components actively governing its function and, among them, gas transport phenomena and gas diffusion layer (GDL) are noteworthy, and the present paper provides a comprehensive assessment on gas diffusion mechanism, geometry of GDL components and related modelling studies involved in GDL fabrication. The impact of GDL on diffusion of reactants, water management and the transport of ions has also been systematically dealt.read more
Citations
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Journal ArticleDOI
Towards sustainable fuels and chemicals through the electrochemical reduction of CO2: lessons from water electrolysis
TL;DR: In this paper, the main limiting phenomena affecting CO2 electrolysers and their causes are outlined, followed by the derivation, for several eCO2RR products, of targets in terms of durability, current efficiency, energy efficiency, faradaic efficiency, and overvoltage, which must be achieved for the e CO2RR to reach a similar energy storage capability as the electrochemical production of H2.
Journal ArticleDOI
Multi-phase models for water and thermal management of proton exchange membrane fuel cell: A review
Guobin Zhang,Kui Jiao +1 more
TL;DR: In this article, a 3D multi-phase computational fluid dynamics model for PEM fuel cells is proposed to simulate the detailed gas and liquid two-phase flow in channels and reflect its effect on performance precisely.
Journal ArticleDOI
A 3D model of PEMFC considering detailed multiphase flow and anisotropic transport properties
TL;DR: In this paper, a 3D multiphase model of PEMFC is developed, in which the gas and liquid two-phase flow in channel and porous electrodes are investigated in detail.
Journal ArticleDOI
A Review of Cell-Scale Multiphase Flow Modelling, including Water Management, in Polymer Electrolyte Fuel Cells
TL;DR: In this article, a comprehensive introduction to PEFC modeling inside GCs and GDLs, with a focus on two-phase flow and related phase-change and transport processes is presented.
Journal ArticleDOI
Gas diffusion layer modifications and treatments for improving the performance of proton exchange membrane fuel cells and electrolysers: A review
Reza Omrani,Bahman Shabani +1 more
TL;DR: A comprehensive review of modifications introduced to improve the gas diffusion layer (GDL) performance can be found in this paper, where the main focus of these modifications was found to be on water management and reactant delivery improvement as per defined for the role of GDLs.
References
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Journal ArticleDOI
A review of PEM fuel cell durability: Degradation mechanisms and mitigation strategies
Jinfeng Wu,Xiao-Zi Yuan,Jonathan J. Martin,Haijiang Wang,Jiujun Zhang,Jun Shen,Shaohong Wu,Walter Mérida,Walter Mérida +8 more
TL;DR: In this paper, a literature-based analysis has been carried out in an attempt to achieve a unified definition of PEM fuel cell lifetime for cells operated either at a steady state or at various accelerated conditions.
Journal ArticleDOI
A Mathematical Model of the Solid‐Polymer‐Electrolyte Fuel Cell
Dawn Bernardi,Mark W. Verbrugge +1 more
TL;DR: In this article, a mathematical model of the solid polymer-electrolyte fuel cell is presented to investigate factors that limit cell performance and elucidate the mechanism of species transport in the complex network of gas, liquid, and solid phases of the cell.
Journal ArticleDOI
Fundamental models for fuel cell engineering.
TL;DR: Technical Challenges 4754 4.2.1.
Journal ArticleDOI
Effective diffusivity and water-saturation distribution in single- and two-layer PEMFC diffusion medium
Jin Hyun Nam,Massoud Kaviany +1 more
TL;DR: In this paper, the formation and distribution of condensed water in diffusion medium of proton exchange membrane fuel cells, and its tendency to reduce the local effective mass diffusivity and to influence cell performance, are studied.
Journal ArticleDOI
A review of water flooding issues in the proton exchange membrane fuel cell
Hui Li,Yanghua Tang,Zhenwei Wang,Zheng Shi,Shaohong Wu,Datong Song,Jianlu Zhang,Khalid Fatih,Jiujun Zhang,Haijiang Wang,Zhong-Sheng Liu,Rami Abouatallah,Antonio Mazza +12 more
TL;DR: In this article, the authors reviewed more than 100 references related to water management in proton exchange membrane (PEM) fuel cells, with a particular focus on the issue of water flooding, its diagnosis and mitigation.
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