CIESC Journal ›› 2024, Vol. 75 ›› Issue (8): 3002-3010.DOI: 10.11949/0438-1157.20240216
• Energy and environmental engineering • Previous Articles
Received:
2024-02-29
Revised:
2024-04-15
Online:
2024-08-21
Published:
2024-08-25
Contact:
Liang HAO
通讯作者:
郝亮
作者简介:
豆少军(1995—),男,博士,讲师,569226272@qq.com
基金资助:
CLC Number:
Shaojun DOU, Liang HAO. Mesoscale simulation of coupled gas charge transfer process in PEMFC catalyst layer[J]. CIESC Journal, 2024, 75(8): 3002-3010.
豆少军, 郝亮. PEMFC催化层耦合气体电荷传输过程的介观模拟[J]. 化工学报, 2024, 75(8): 3002-3010.
参数 | 取值 |
---|---|
T | 333.15 K |
p | 1.5 atm |
cin | 10 mol·m-3 |
LCL | 8 μm |
LMEM | 40 μm |
Hi | 38.9[ |
Hl | 43[ |
Di | 5.9×10-10 m2·s-1[ |
Dl | 2.04×10-9 m2·s-1[ |
Eeq | 1.15 V |
i0 | 0.01 A·m-2[ |
α | 0.615[ |
cref | 40.96 mol·m-3[ |
Table 1 Simulation parameters
参数 | 取值 |
---|---|
T | 333.15 K |
p | 1.5 atm |
cin | 10 mol·m-3 |
LCL | 8 μm |
LMEM | 40 μm |
Hi | 38.9[ |
Hl | 43[ |
Di | 5.9×10-10 m2·s-1[ |
Dl | 2.04×10-9 m2·s-1[ |
Eeq | 1.15 V |
i0 | 0.01 A·m-2[ |
α | 0.615[ |
cref | 40.96 mol·m-3[ |
Fig.6 Comparison of simulated polarization curves with experimental data from Yakovlev et al[30] (Pt loading of 0.3 mg·cm-2,I/C=0.6, 60°C, 80% RH, 1.5 atm)
Fig.7 Distributions of oxygen concentration (a), overpotential (b), and reaction rate (c) at 1.2 A·cm-2 and different RHs, voltage loss at 1.2 A·cm-2 and different RHs (d)
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