Simulation of two types fuel cell stack models to investigate the relationship between air flow distribution and structure

Ionics ◽  
2019 ◽  
Vol 25 (10) ◽  
pp. 4851-4859 ◽  
Author(s):  
Yuting Zou ◽  
Jie Li ◽  
Jiaqi Zhang ◽  
Kai Ding ◽  
Huabing Wen
Author(s):  
Frano Barbir ◽  
Haluk Gorgun ◽  
Xinting Wang

Pressure drop on the cathode side of a PEM (Proton Exchange Membrane) fuel cell stack has been studied and used as a diagnostic tool. Since the Reynolds number at the beginning of the flow field channel was <250, the flow through the channel is laminar, and the relationship between the pressure drop and the flow rate is linear. Some departure from linearity was observed when water was either introduced in the stack or produced inside the stack in the electrochemical reaction. By monitoring the pressure drop in conjunction with the cell resistance in an operational fuel cell stack, it was possible to diagnose either flooding or drying conditions inside the stack.


Author(s):  
Young-Jun Sohn ◽  
Gu-Gon Park ◽  
Tae-Hyun Yang ◽  
Young-Gi Yoon ◽  
Won-Yong Lee ◽  
...  

To maintain proper operating conditions is important to get optimal output power of a polymer electrolyte membrane fuel cell (PEMFC) stack. The air cooled fuel cell stack is widely used in sub kW PEMFC systems. The higher the power density of a stack, however, the more difficult it is to get well balanced operating conditions for the system such as the relative humidity, the temperature of stack, the rate of usage of reactant and so on. A 600W air cooled PEMFC stack was experimentally investigated to evaluate the design performance and to get optimal operating conditions for the portable application. The relationship between the operating conditions and the performance was analyzed. The results can be used as design criteria for portable PEMFC under various conditions.


2007 ◽  
Vol 173 (1) ◽  
pp. 249-263 ◽  
Author(s):  
Chung-Hsien Chen ◽  
Shiauh-Ping Jung ◽  
Shi-Chern Yen

2009 ◽  
Vol 192 (1) ◽  
pp. 185-189 ◽  
Author(s):  
Radu Mustata ◽  
Luis Valiño ◽  
Félix Barreras ◽  
María Isabel Gil ◽  
Antonio Lozano

2013 ◽  
Vol 58 (1) ◽  
pp. 243-249
Author(s):  
S. Thomas ◽  
O. Kwon ◽  
S. C. Lee ◽  
S. Park ◽  
G. H. Choi ◽  
...  

2017 ◽  
Vol 42 (10) ◽  
pp. 7003-7013 ◽  
Author(s):  
Cheng Zhao ◽  
Jiajun Yang ◽  
Tao Zhang ◽  
Dong Yan ◽  
Jian Pu ◽  
...  

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