scholarly journals Enhanced Water Management of High-Surface-Density Ni Foam as Flow Field for PEM Fuel Cells

2022 ◽  
pp. ArticleID:220243
Author(s):  
Yuzhen Xia ◽  
Keyword(s):  
Water Management ◽  
Fuel Cells ◽  
Flow Field ◽  
Surface Density ◽  
High Surface ◽  
Pem Fuel Cells ◽  
Ni Foam

Micro structured flow field for passive water management in miniaturized PEM fuel cells

2007 ◽  
Author(s):  
T. Metz ◽  
N. Paust ◽  
C. Muller ◽  
R. Zengerle ◽  
P. Koltay
Keyword(s):  
Water Management ◽  
Fuel Cells ◽  
Flow Field ◽  
Pem Fuel Cells

Analytical and numerical study on cooling flow field designs performance of PEM fuel cell with variable heat flux

2016 ◽  
Vol 30 (16) ◽  
pp. 1650155 ◽  
Author(s):  
Ebrahim Afshari ◽  
Masoud Ziaei-Rad ◽  
Nabi Jahantigh
Keyword(s):  
Heat Flux ◽  
Fuel Cells ◽  
Fuel Cell ◽  
Pressure Drop ◽  
Flow Field ◽  
Pem Fuel Cells ◽  
Coolant Flow ◽  
Temperature Uniformity ◽  
Variable Heat ◽  
Variable Heat Flux

In PEM fuel cells, during electrochemical generation of electricity more than half of the chemical energy of hydrogen is converted to heat. This heat of reactions, if not exhausted properly, would impair the performance and durability of the cell. In general, large scale PEM fuel cells are cooled by liquid water that circulates through coolant flow channels formed in bipolar plates or in dedicated cooling plates. In this paper, a numerical method has been presented to study cooling and temperature distribution of a polymer membrane fuel cell stack. The heat flux on the cooling plate is variable. A three-dimensional model of fluid flow and heat transfer in cooling plates with 15 cm × 15 cm square area is considered and the performances of four different coolant flow field designs, parallel field and serpentine fields are compared in terms of maximum surface temperature, temperature uniformity and pressure drop characteristics. By comparing the results in two cases, the constant and variable heat flux, it is observed that applying constant heat flux instead of variable heat flux which is actually occurring in the fuel cells is not an accurate assumption. The numerical results indicated that the straight flow field model has temperature uniformity index and almost the same temperature difference with the serpentine models, while its pressure drop is less than all of the serpentine models. Another important advantage of this model is the much easier design and building than the spiral models.

Flow-Field Designs of Bipolar Plates in PEM Fuel Cells: Theory and Applications

Fuel Cells ◽  
2012 ◽  
Vol 12 (6) ◽  
pp. 989-1003 ◽  
Author(s):  
J. Wang ◽  
H. Wang
Keyword(s):  
Fuel Cells ◽  
Flow Field ◽  
Pem Fuel Cells ◽  
Bipolar Plates

Performance of unit PEM fuel cells with a leaf-vein-simulating flow field-patterned bipolar plate

2019 ◽  
Vol 44 (43) ◽  
pp. 24036-24042 ◽  
Author(s):  
Hie Chan Kang ◽  
Kyung Min Jum ◽  
Young Jun Sohn
Keyword(s):  
Fuel Cells ◽  
Flow Field ◽  
Bipolar Plate ◽  
Pem Fuel Cells ◽  
Leaf Vein

Performance of Parallel, Interdigitated, and Serpentine Flow Field PEM Fuel Cells with Straight or Wavelike Channels

2020 ◽  
Vol 146 (5) ◽  
pp. 04020054 ◽  
Author(s):  
Quan Ding ◽  
Hong-Liang Zhao ◽  
Zhong-Min Wan ◽  
Yan-Ru Yang ◽  
Chen Yang ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Flow Field ◽  
Pem Fuel Cells ◽  
Serpentine Flow Field

Impact of gas diffusion layer spatial variation properties on water management and performance of PEM fuel cells

2021 ◽  
Vol 227 ◽  
pp. 113579
Author(s):  
Xiao Ma ◽  
Xiaoqing Zhang ◽  
Jiapei Yang ◽  
Weilin Zhuge ◽  
Shijin Shuai
Keyword(s):  
Water Management ◽  
Fuel Cells ◽  
Spatial Variation ◽  
Diffusion Layer ◽  
Gas Diffusion Layer ◽  
Pem Fuel Cells ◽  
Gas Diffusion ◽  
And Performance

Water Management by Material Design and Engineering for PEM Fuel Cells

2019 ◽  
Vol 3 (1) ◽  
pp. 1171-1180 ◽  
Author(s):  
T. V. Nguyen
Keyword(s):  
Water Management ◽  
Fuel Cells ◽  
Material Design ◽  
Pem Fuel Cells
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