scholarly journals Comparative study of conventional and unconventional designs of cathode flow fields in PEM fuel cell

2019 ◽  
Vol 116 ◽  
pp. 109420 ◽  
Author(s):  
Abouzar Azarafza ◽  
Mohammad S. Ismail ◽  
Mashallah Rezakazemi ◽  
Mohamed Pourkashanian
Keyword(s):  
Fuel Cell ◽  
Comparative Study ◽  
Pem Fuel Cell ◽  
Flow Fields

scholarly journals Data-driven diagnosis of PEM fuel cell: A comparative study

2014 ◽  
Vol 28 ◽  
pp. 1-12 ◽  
Author(s):  
Zhongliang Li ◽  
Rachid Outbib ◽  
Daniel Hissel ◽  
Stefan Giurgea
Keyword(s):  
Fuel Cell ◽  
Comparative Study ◽  
Pem Fuel Cell ◽  
Data Driven

Design and modeling of PEM fuel cell based on different flow fields

Energy ◽  
2020 ◽  
Vol 207 ◽  
pp. 118331 ◽  
Author(s):  
Mingzhang Pan ◽  
Chao Li ◽  
Jinyang Liao ◽  
Han Lei ◽  
Chengjie Pan ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Pem Fuel Cell ◽  
Flow Fields

PEM Fuel Cell Stack Development: Grafoil Bipolar Materials — A Feasibility Study

2004 ◽  
Author(s):  
N. Rajalakshmi ◽  
V. Vijay ◽  
S. Pandian ◽  
K. S. Dhathathreyan
Keyword(s):  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Driving Forces ◽  
Applied Pressure ◽  
Pem Fuel Cell ◽  
Flow Fields ◽  
Proton Exchange ◽  
Graphite Sheet ◽  
Fuel Cell Stack ◽  
Flexible Graphite

In the production of Proton Exchange Membrane Fuel Cell (PEMFC) stacks with multiple cell units, graphite has been widely used as a bipolar material. Graphite has excellent electrical conductivity, high electrochemical stability, and good machining characteristics, enabling fine and complex fuel/oxidant flow fields to be used. In spite of the above advantages, search for alternate materials is counting owing mainly to the present requirement of reduced cell volume and weight per power yield (kW) in many applications. Cost reduction for this component and volume production are other driving forces for the continuous thrust in this subject. Flexible (exfoliated) graphite is an alternate material that could meet many of the above requirements. We have made use of flexible graphite to fabricate a PEM fuel cell stack. The flow fields were introduced by stamping. An optimization study has been carried out for the width and depth of the flow field designs in terms of applied pressure to accommodate the resilience of the flexible graphite sheet. The performance of the 500 watts stack fabricated using this material compares well with that fabricated using the conventional graphite plates. However there are some technical issues still to be sorted out which will be discussed.

scholarly journals CFD simulation of PEM fuel cell performance: Effect of straight and serpentine flow fields

2012 ◽  
Vol 55 (3-4) ◽  
pp. 1540-1557 ◽  
Author(s):  
Fatemeh Hashemi ◽  
Soosan Rowshanzamir ◽  
Mashallah Rezakazemi
Keyword(s):  
Fuel Cell ◽  
Cfd Simulation ◽  
Pem Fuel Cell ◽  
Flow Fields ◽  
Cell Performance ◽  
Performance Effect ◽  
Fuel Cell Performance

Particle Image Velocimetry Measurements in a Model Proton Exchange Membrane Fuel Cell

2006 ◽  
Vol 4 (3) ◽  
pp. 328-335 ◽  
Author(s):  
J. P. Feser ◽  
A. K. Prasad ◽  
S. G. Advani
Keyword(s):  
Particle Image Velocimetry ◽  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Particle Image ◽  
Pem Fuel Cell ◽  
Flow Fields ◽  
Proton Exchange ◽  
Flow Channels ◽  
Image Velocimetry ◽  
Exchange Membrane

Particle image velocimetry was used to measure 2D velocity fields in representative regions of interest within flow channels of interdigitated and single-serpentine proton exchange membrane (PEM) fuel cell models. The model dimensions, gas diffusion layer (GDL) permeability, working fluid, and flow rates were selected to be geometrically and dynamically similar to the cathode-side airflow in a typical PEM fuel cell. The model was easily reconfigurable between parallel, single-serpentine, and interdigitated flow fields, and was constructed from transparent materials to enable optical imaging. Velocity maps were obtained of both the primary and secondary flow within the channels. Measurements of the secondary flows in interdigitated and single-serpentine flow fields indicate that significant portions of the flow travel between adjacent channels through the porous medium. Such convective bypass can enhance fuel cell performance by supplying fresh reactant to the lands regions and also by driving out product water from under the lands to the flow channels.

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