@Article{fdmp.2019.08209,
AUTHOR = {Mingge Wu, Lei Wang, Yixiang Wang, Cheng Zhang, Cheng Qiu},
TITLE = {Water Flow Characteristics and Related Effects in PEMFC},
JOURNAL = {Fluid Dynamics \& Materials Processing},
VOLUME = {15},
YEAR = {2019},
NUMBER = {4},
PAGES = {431--444},
URL = {http://www.techscience.com/fdmp/v15n4/33897},
ISSN = {1555-2578},
ABSTRACT = {Water management in proton exchange membrane fuel cells (PEMFC) is a topic of  great  importance  for  the  optimization  of  these  systems.  Effective  proton  conductivity  calls for moderate moisture content in the membrane, while uneven water distribution can lead  to  instability  of  the  whole  flow  field,  thereby  decreasing  the  performance  of  the  fuel  cell.  In  the  present  study,  a  simplified  two-tier  hybrid  structure  is  used  to  investigate  the  impact  of  the  dynamic  behavior  of  liquid  water  on  the  current  density  of  the  PEMFC.  Simulation  results  show  that  water  droplets  attached  to  wall  sides  tend  to  increase  current  density.  Visualization  experiments  confirm  the  existence  of  liquid  droplets  and  the  enhancement of current density, while indicating that the best performance and stability of fuel cell are attained for a cathode air flow rate of 300 ml/min.},
DOI = {10.32604/fdmp.2019.08209}
}