Investigation of the Lateral Water Distribution in a Proton Exchange Membrane in Fuel Cell Operation by 3D-MRI

2019 ◽  
Vol 1 (6) ◽  
pp. 199-205 ◽  
Author(s):  
Shohji Tsushima ◽  
Takanori Nanjo ◽  
Kousuke Nishida ◽  
Shuichiro Hirai
Keyword(s):  
Fuel Cell ◽  
Water Distribution ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
3D Mri ◽  
Exchange Membrane ◽  
Fuel Cell Operation

Progress on Reflective Terahertz Imaging for Identification of Water in Flow Channels of PEM Fuel Cells

2011 ◽  
Vol 110-116 ◽  
pp. 2301-2307
Author(s):  
P. Buaphad ◽  
P. Thamboon ◽  
C. Tengsirivattana ◽  
J. Saisut ◽  
K. Kusoljariyakul ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Water Distribution ◽  
Proton Exchange Membrane ◽  
Pem Fuel Cell ◽  
Pem Fuel Cells ◽  
Proton Exchange ◽  
Thz Radiation ◽  
Promising Tool ◽  
Flow Channels ◽  
Exchange Membrane

This work reports an application of reflective terahertz (THz) imaging for identification of water distribution in the proton exchange membrane (PEM) fuel cell. The THz radiation generated from relativistic femtosecond electron bunches is employed as a high intensity source. The PEM fuel cell is designed specifically for the measurement allowing THz radiation to access the flow field region. The THz image is constructed from reflected radiation revealing absorptive area of water presence. The technique is proved to be a promising tool for studying water management in the PEM fuel cell. Detailed experimental setup and results will be described.

scholarly journals Running On Air

2004 ◽  
Vol 126 (01) ◽  
pp. 40-42
Author(s):  
Kosanovic Lisa
Keyword(s):  
Fuel Cell ◽  
Human Body ◽  
Proton Exchange Membrane ◽  
Electrochemical Reaction ◽  
Proton Exchange ◽  
Brute Force ◽  
Brute Force Method ◽  
Exchange Membrane ◽  
Fuel Stream ◽  
Fuel Cell Operation

This article highlights that although much attention has been paid to fuel stream cleanliness, there has been little focus on the cleanliness of intake air, which is critical to proton exchange membrane (PEM) fuel cell operation in two ways. First, air supplies the oxygen needed to complete the electrochemical reaction that produces electricity. Second, air carries water, a byproduct of the process, out of the fuel cell. Otherwise, water would flood the cell and prevent oxygen from doing its part. Los Alamos scientist Francisco Uribe believes that proton exchange membrane fuel cells are much more elegant than combustors, because they operate the way nature operates. Burning is an inefficient, brute-force method of extracting energy from fuel, but using electrochemical reactions to draw chemical energy out of the fuel is similar to what the human body does to get energy. Moreover, like the human body, a PEM cell can recover if it is exposed to fresh air after poisoning from certain contaminants, such as carbon monoxide.

scholarly journals Novel membranes for proton exchange membrane fuel cell operation above 120°C. Final report for period October 1, 1998 to December 31, 1999

2000 ◽  
Author(s):  
Supramaniam Srinivasan ◽  
Seung-Jae Lee ◽  
Paola Costamagna ◽  
Christopher Yang ◽  
Kevork Adjemian ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Proton Exchange ◽  
Final Report ◽  
Exchange Membrane ◽  
Fuel Cell Operation

Silicon Oxide Nafion Composite Membranes for Proton-Exchange Membrane Fuel Cell Operation at 80-140°C

2002 ◽  
Vol 149 (3) ◽  
pp. A256 ◽  
Author(s):  
K. T. Adjemian ◽  
S. J. Lee ◽  
S. Srinivasan ◽  
J. Benziger ◽  
A. B. Bocarsly
Keyword(s):  
Fuel Cell ◽  
Proton Exchange Membrane ◽  
Silicon Oxide ◽  
Composite Membranes ◽  
Proton Exchange ◽  
Exchange Membrane ◽  
Fuel Cell Operation
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