scholarly journals The polymer electrolyte membrane fuel cell as electric energy source, steady state and dynamic behavior

2006 ◽  
Vol 1 (04) ◽  
pp. 44-51 ◽  
Author(s):  
R.A. Costa ◽  
J.R. Camacho ◽  
S.C. Guimaraes Jr. ◽  
C.H. Salerno
Keyword(s):  
Energy Source ◽  
Steady State ◽  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Dynamic Behavior ◽  
Polymer Electrolyte Membrane ◽  
Electric Energy ◽  
Electrolyte Membrane

Effect of adding simultaneous hydrophilic and microporous layers on water transport in the gas diffusion layer of polymer electrolyte membrane fuel cell

2021 ◽  
pp. 095765092110229
Author(s):  
Yaghoub Ira ◽  
Younes Bakhshan ◽  
Jamshid Khorshidimalahmadi
Keyword(s):  
Steady State ◽  
Fuel Cell ◽  
Thin Layer ◽  
Polymer Electrolyte ◽  
Liquid Water ◽  
Water Saturation ◽  
Polymer Electrolyte Membrane ◽  
Gas Diffusion ◽  
Electrolyte Membrane ◽  
Time Required

In this study, the effect of location, wettability, and thickness of the hydrophilic layer and also the effect of microporous layer (MPL) thickness on the dynamic water transport in the gas diffusion layer (GDL) of polymer electrolyte membrane fuel cell (PEMFC) is investigated using the Lattice Boltzmann method. The effect of the presence of hydrophilic layer and MPL on the number of dominant flow paths, liquid water breakthrough sites, liquid water loops, liquid water pools, and time required to reach steady-state for 12 cases have been investigated. Results showed that if the hydrophilic layer is near the MPL/GDL interface, flooding will occur. Also, comparing with purely hydrophobic GDL, reduction of hydrophilic layer thickness in the GDL/GC interface reduces the water saturation level by 11.8% and the time required to reach steady-state by 8.88%. Moreover, this study indicated that adding a thin layer of MPL at the catalyst layer (CL)/GDL interface with present a hydrophilic thin layer at the GDL/gas channel (GC) interface reduces the liquid water saturation level by 50.1% and the steady-state time by 38.9%. Furthermore, the details of the dynamic behavior of water in the GDL under different hydrophilic conditions have been reported and discussed.

scholarly journals A Carbon Corrosion Model to Evaluate the Effect of Steady State and Transient Operation of a Polymer Electrolyte Membrane Fuel Cell

2013 ◽  
Vol 160 (9) ◽  
pp. F972-F979 ◽  
Author(s):  
Arun Pandy ◽  
Zhiwei Yang ◽  
Mallika Gummalla ◽  
Vadim V. Atrazhev ◽  
Nikolay Yu Kuzminyh ◽  
...  
Keyword(s):  
Steady State ◽  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Polymer Electrolyte Membrane ◽  
Transient Operation ◽  
Carbon Corrosion ◽  
Electrolyte Membrane ◽  
Corrosion Model

scholarly journals Review of the Durability of Polymer Electrolyte Membrane Fuel Cell in Long-Term Operation: Main Influencing Parameters and Testing Protocols

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 4048
Author(s):  
Huu Linh Nguyen ◽  
Jeasu Han ◽  
Xuan Linh Nguyen ◽  
Sangseok Yu ◽  
Young-Mo Goo ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Polymer Electrolyte ◽  
Failure Modes ◽  
Polymer Electrolyte Membrane ◽  
Durability Test ◽  
Term Operation ◽  
Electrolyte Membrane ◽  
Transportation Applications ◽  
Testing Protocols

Durability is the most pressing issue preventing the efficient commercialization of polymer electrolyte membrane fuel cell (PEMFC) stationary and transportation applications. A big barrier to overcoming the durability limitations is gaining a better understanding of failure modes for user profiles. In addition, durability test protocols for determining the lifetime of PEMFCs are important factors in the development of the technology. These methods are designed to gather enough data about the cell/stack to understand its efficiency and durability without causing it to fail. They also provide some indication of the cell/stack’s age in terms of changes in performance over time. Based on a study of the literature, the fundamental factors influencing PEMFC long-term durability and the durability test protocols for both PEMFC stationary and transportation applications were discussed and outlined in depth in this review. This brief analysis should provide engineers and researchers with a fast overview as well as a useful toolbox for investigating PEMFC durability issues.

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