Abstract
A unified two-phase flow mixture model has been developed to describe the flow and transport in the cathode for PEM fuel cells. The boundary condition at the gas diffuser/catalyst layer interface couples the flow, transport, electrical potential and current density in the anode, cathode catalyst layer and membrane. Fuel cell performance predicted by this model is compared with experimental results and reasonable agreements are achieved. Typical two-phase flow distributions in the cathode gas diffuser and gas channel are presented. The main parameters influencing water transport across the membrane are also discussed. By studying the influences of water and thermal management on two-phase flow, it is found that two-phase flow characteristics in the cathode depend on the current density, operating temperature, and cathode and anode humidification temperatures.
| Original language | English |
|---|---|
| Pages (from-to) | 2277-2287 |
| Number of pages | 11 |
| Journal | International Journal of Heat and Mass Transfer |
| Volume | 45 |
| Issue number | 11 |
| DOIs | |
| State | Published - Apr 2 2002 |
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Keywords
- Fuel cells
- Mathematical model
- Porous electrode
- Proton exchange membrane (PEM)
- Simulation
- Two-phase flow
- Water and thermal management
ASJC Scopus subject areas
- Fluid Flow and Transfer Processes
- Energy(all)
- Mechanical Engineering
Cite this
A two-phase flow and transport model for the cathode of PEM fuel cells. / You, Lixin; Liu, Hongtan.
In: International Journal of Heat and Mass Transfer, Vol. 45, No. 11, 02.04.2002, p. 2277-2287.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - A two-phase flow and transport model for the cathode of PEM fuel cells
AU - You, Lixin
AU - Liu, Hongtan
PY - 2002/4/2
Y1 - 2002/4/2
N2 - A unified two-phase flow mixture model has been developed to describe the flow and transport in the cathode for PEM fuel cells. The boundary condition at the gas diffuser/catalyst layer interface couples the flow, transport, electrical potential and current density in the anode, cathode catalyst layer and membrane. Fuel cell performance predicted by this model is compared with experimental results and reasonable agreements are achieved. Typical two-phase flow distributions in the cathode gas diffuser and gas channel are presented. The main parameters influencing water transport across the membrane are also discussed. By studying the influences of water and thermal management on two-phase flow, it is found that two-phase flow characteristics in the cathode depend on the current density, operating temperature, and cathode and anode humidification temperatures.
AB - A unified two-phase flow mixture model has been developed to describe the flow and transport in the cathode for PEM fuel cells. The boundary condition at the gas diffuser/catalyst layer interface couples the flow, transport, electrical potential and current density in the anode, cathode catalyst layer and membrane. Fuel cell performance predicted by this model is compared with experimental results and reasonable agreements are achieved. Typical two-phase flow distributions in the cathode gas diffuser and gas channel are presented. The main parameters influencing water transport across the membrane are also discussed. By studying the influences of water and thermal management on two-phase flow, it is found that two-phase flow characteristics in the cathode depend on the current density, operating temperature, and cathode and anode humidification temperatures.
KW - Fuel cells
KW - Mathematical model
KW - Porous electrode
KW - Proton exchange membrane (PEM)
KW - Simulation
KW - Two-phase flow
KW - Water and thermal management
UR - http://www.scopus.com/inward/record.url?scp=0037007195&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0037007195&partnerID=8YFLogxK
U2 - 10.1016/S0017-9310(01)00322-2
DO - 10.1016/S0017-9310(01)00322-2
M3 - Article
AN - SCOPUS:0037007195
VL - 45
SP - 2277
EP - 2287
JO - International Journal of Heat and Mass Transfer
JF - International Journal of Heat and Mass Transfer
SN - 0017-9310
IS - 11
ER -