...Mehdi Mortazavi; Anthony D. Santamaria; Mahbod Heidari; Michael P. Doyle; Morgan A. Schrader; Elias R. Rizk Liquid–gas two-phase flow in flow channels of proton exchange membrane (PEM) fuel cells has been investigated extensively in the literature; however, a comparison between the order...

...Ing-Bang Huang; Ching Chiang Hwang The objective of this study is to examine the effect of heat treatment at various temperatures on the corrosion behavior of electroless silver-coated SS 304 in a simulated proton exchange membrane (PEM) fuel cell environment. The corrosion properties...

...; published online May 27, 2015. Assoc. Editor: Abel Hernandez-Guerrero. 03 02 2014 02 03 2015 27 05 2015 The performance of a proton exchange membrane (PEM) fuel cell strongly depends on the nature of reactant distribution and the effectiveness of liquid water removal. In this work...

...) Fuel Cells ,” Energy , 35 , pp. 1898 – 1907 . 10.1016/j.energy.2009.12.038 [5] Zhang , S. , Yuan , X. , Wang , H. , Mérida , W. , Zhu , H. , Shen , J. , Wu , S. , and Zhang , J. , 2009 , “ A Review of Accelerated Stress Tests of MEA Durability in PEM Fuel Cells...

... is tested using a power module and a boost converter delivering an output power of 740 W. The power module uses polymer electrolyte membrane fuel cells (PEMFCs) and delivers a variable output dc voltage between 24 V to 42 V. Experimental results verify the theoretical results given within. PEM fuel...

.... The performance of fuel cell operating over an extended time was also studied, with the result showing that the SLS fabricated graphite composite plates provided a relatively steady fuel cell output power. selective laser sintering PEM fuel cell graphite composite plate in situ performance operating...

... and fuel cell technologies: around 30 USD/kW −1 for automotive applications by 2015 and around 750 USD/kW −1 for stationary applications [ 1 ]. cooling fins open-cathode PEM fuel cell thermal management In open-cathode polymer electrolyte fuel cell (PEFC) stacks, a significant...

... by the controlled fuel cell system. The proposed control concept is demonstrated by simulations of a proton exchange membrane (PEM) fuel cell system taken from the literature. For that purpose, different controllers are designed based on model-free methods. For the master controller design, two alternative options...

...Kriston Brooks; Maruthi Devarakonda; Scot Rassat; Jamie Holladay A fixed bed reactor was designed, modeled and simulated for hydrogen storage on-board the vehicle for PEM fuel cell applications. Ammonia borane was selected by DOE’s Hydrogen Storage Engineering Center of Excellence as the initial...

... , 5 , p. 041013 . 10.1115/1.2931462 Wu , J. , Yuan , X. Z. , Wang , H. , Blanco , M. , Martin , J. J. , and Zhang , J. , 2008 , “ Diagnostic Tools in PEM Fuel Cell Research: Part I Electrochemical Techniques ,” Int. J. Hydrogen Energy 0360-3199 , 33 , pp. 1735...

... principles and experimental results, the dies are carefully design and fabricated experimental setup for FFP is prepared and practical experiments are performed. High quality metallic BPPs are achieved eventually by FFP. metallic BPP PEM fuel cell FFP formability The bipolar plate contains many...

...Lijun Yang; Wenan Li; Xiaoze Du; Yongping Yang Water management is a key issue for the performance of a polymer electrolyte membrane (PEM) fuel cell. Materials of the fuel cell would affect the water transportation in the flow field, thus influence, the overall performance of the fuel cell. A three...

... pressure drops of PEM fuel cells for various cathode flow channel aspect ratios This paper presents a complete three-dimensional, two-phase transport model for PEM fuel cells based on the traditional two-fluid method. Liquid water transport is taken into account according to the different...

... is about 1.4 times longer than the corresponding drying process. 13 06 2009 29 10 2009 16 07 2010 16 07 2010 imaging proton exchange membrane fuel cells water transport PEM fuel cell neutron imaging technique dynamic process time constant The distribution...

... exchange membrane fuel cells temperature distribution PEM fuel cell dynamic thermal model 3D stack temperature voltage degradation flooding drying Fuel cell systems are an alternative to energy resource depletion and pollution problems; as such, they have received much attention...

...Linfa Peng; Dong’an Liu; Peng Hu; Xinmin Lai; Jun Ni PEM fuel cell nowadays is expensive for widespread commercialization, though it has obvious advantages, such as high efficiency, high power density, fast startup and high system robustness. As one of the most important and costliest components...

... = − μ κ v where κ is the intrinsic permeability of the porous material and 1 / κ is usually termed viscous resistance coefficients. A typical value of intrinsic permeability for a GDL material ( 23 ) of PEM fuel cells, 10 − 12   m 2 , was adopted throughout...

... technology. After discussing the current status, suggestions for future work on the above topics are presented. 25 08 2007 06 05 2008 18 08 2009 automobiles cooling proton exchange membrane fuel cells thermal management (packaging) thermal and water management PEM fuel cell...

... PEM Fuel Cells ,” J. Micromech. Microeng. 0960-1317 10.1088/0960-1317/15/9/S04 , 15 , pp. S193 – S201 . Wang , Y. , and Wang , C. Y. , 2006 , “ Dynamics of Polymer Electrolyte Fuel Cells Undergoing Load Changes ,” Electrochim. Acta 0013-4686 10.1016/j.electacta.2005.11.005...

...Markus Grötsch; Richard Hanke-Rauschenbach; Michael Mangold A major issue of polymer-electrolyte-membrane (PEM) fuel cell operation is the water management of the cells. This article tries to contribute to an improved understanding of flooding/drying out effects by performing a analysis...