...R. Banerjee; S. Chevalier; H. Liu; J. Lee; R. Yip; K. Han; B. K. Hong; A. Bazylak This work presents a comparison between carbon felt-type and paper-type gas diffusion layers (GDLs) for polymer electrolyte membrane (PEM) fuel cells in terms of the similarities and the differences between...

...Shian Li; Jinliang Yuan; Martin Andersson; Gongnan Xie; Bengt Sundén The flow field design of current collectors is a significant issue, which greatly affects the mass transport processes of reactants/products inside fuel cells. Especially for proton exchange membrane (PEM) fuel cells...

... Durability Membranes Modeling PEM fuel cells Damage tolerance Hydrogen fuel cells have received a great deal of attention as an alternative to the traditional internal combustion engine currently used for automotive applications. Proton exchange membrane fuel cells (PEMFCs), which are a type...

.... Editor: Umberto Desideri. 12 05 2014 28 12 2015 Durability Membranes PEM fuel cells Damage tolerance Perfluorinated sulfonic acid membrane under the trade mark Nafion ® was developed in the late 1960s by Walther Grot of DuPont, Wilmington, DE. Now 50 years later, Nafion...

... exchange membrane (PEM) fuel cell was fitted with different inlet flow configurations, including straight piping and piping containing a 90 deg bend and 180 deg bend prior to entering the manifold. Particle image velocimetry (PIV) was used to obtain mean and fluctuating velocity statistics within...

... . Manuscript received September 17, 2014; final manuscript received November 30, 2015; published online January 20, 2016. Assoc. Editor: Rak-Hyun Song. 17 09 2014 30 11 2015 Modeling PEM fuel cells Energy consumption is steadily growing while global fossil resources...

...Bhaskar P. Saripella; Umit O. Koylu; Ming C. Leu A bio-inspired proton exchange membrane (PEM) fuel cell with a flow field that mimics a leaf pattern is experimentally and computationally evaluated. Experiments are conducted using a transparent assembly for direct visualization of liquid water...

... be effectively deployed in the region. In the first part of this work, an improved dynamic model of the Nexa 1.2 kW PEM fuel cell is developed using particle swarm optimization (PSO), and validated using experimental data. The developed model is then used to analyze the effect of the severe climate conditions...

... manuscript received September 27, 2015; published online December 4, 2015. Assoc. Editor: Shripad T. Revankar. 06 07 2014 27 09 2015 Direct methanol Membranes PEM fuel cells The ever increasing demand for higher density power supply, depleting power sources, and emission...

... 25, 2014. Editor: Nigel M. Sammes. 28 07 2014 04 08 2014 25 11 2014 Polymer electrolyte membrane (PEM) fuel cells are well suited for automotive applications compared to other types of fuel cells owing to their faster transient response and low-temperature operation. Due...

... 14, 2014. Editor: Nigel M. Sammes. 11 07 2014 07 10 2014 14 11 2014 Several experiments have proved that water in liquid phase can be present at the anode of a PEM fuel cell due to vapor condensation resulting in mass transport losses. Nevertheless, it is not yet well...

... conditions. Fig. 1 Effects of RH on stack performance for different load values. Solid lines show anode RH and dashed lines show cathode RH. RH is an important parameter for the performance of a Nafion-based PEM fuel cell stack, where the presence of liquid water is critical for the proton...

...Salar Imanmehr; Nader Pourmahmod In this research, the impact of structural parameters of bipolar plates on the proton exchange membrane (PEM) fuel cell performance has been investigated using numerical method, and this model incorporates all the essential fundamental physical and electrochemical...

...Utku Gulan; Hasmet Turkoglu; Irfan Ar In this study, the fluid flow and cell performance in cathode side of a proton exchange membrane (PEM) fuel cell were numerically analyzed. The problem domain consists of cathode gas channel, cathode gas diffusion layer, and cathode catalyst layer...

...Elaine Petrach; Ismat Abu-Isa; Xia Wang The bipolar plate is an important and integral part of the proton exchange membrane (PEM) fuel cell and PEM fuel cell stacks. Currently bipolar plates represent more than 80% by weight and 40% by cost of the fuel cell stack. Traditional materials used...

... nanocatalysts and Nafion® solution on carbon-based electrodes either carbon cloth or carbon paper via an electrophoretic deposition (EPD) technique has been demonstrated as a simple and effective method to meet the cost-effectiveness requirements of PEM fuel cells. For a similar level of fuel cell efficiency...

...Saptarshi Basu; Hang Xu; Michael W. Renfro; Baki M. Cetegen A fiber optic coupled diode laser sensor has been constructed for in situ measurements of water vapor partial pressure in active proton-exchange membrane (PEM) fuel cell systems. The bipolar plate of a prototypical PEM fuel cell...