...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...

... 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...

... of the Rated Power in the Performance of Different Proton Exchange Membrane (PEM) 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...

.... 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...

...., stack temperature and polarization current). 01 07 2010 20 07 2010 01 12 2010 01 12 2010 electrochemical impedance spectroscopy proton exchange membrane fuel cells electrochemical impedance spectroscopy diagnosis PEM fuel cell stack Different...

... Plates for PEM Fuel Cells: A Review ,” Int. J. Hydrogen Energy 0360-3199 , 30 , pp. 1297 – 1302 . 10.1016/j.ijhydene.2005.04.016 Middelman , E. , Kout , W. , Vogelaar , B. , Lenssen , J. , and de Waal , E. , 2003 , “ Bipolar Plates for PEM Fuel Cells ,” J. Power Sources...

...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...

... configurations were evaluated for the single serpentine PEM fuel cell with (I) 70 × 70 × 25 , (II) 93 × 93 × 33 , and (III) 116 × 116 × 33 elements in the x -, y - and z -directions. The influence of the number of elements on the local current densities...

... 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...

... transport and valuable insights in fuel cell design and optimization. water management PEM fuel cell interdigitated flow field two-phase flow VOF surface wettability flow regime Due to its high efficiency, environmental friendliness, low working temperature, compact size, and rapid start-up...

... reaction kinetics, maintaining an optimal water balance between the anode and cathode is important in achieving higher levels of cell performance. thermal and water management PEM fuel cell cold-start PEMFC cooling CO poisoning coupled heat and water transport automobiles cooling...

... micromechanical devices polarisation proton exchange membrane fuel cells PEM fuel cell micro-fuel-cell stack portable generator transient load changes The development of portable and wireless consumer electronics over the past few years has an explosive growth. The portable applications...

...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...