CIESC Journal ›› 2023, Vol. 74 ›› Issue (4): 1724-1734.DOI: 10.11949/0438-1157.20221589
• Energy and environmental engineering • Previous Articles Next Articles
Laiming LUO1(), Jin ZHANG1, Zhibin GUO2, Haining WANG1, Shanfu LU1(), Yan XIANG1
Received:
2022-12-09
Revised:
2023-03-02
Online:
2023-06-02
Published:
2023-04-05
Contact:
Shanfu LU
罗来明1(), 张劲1, 郭志斌2, 王海宁1, 卢善富1(), 相艳1
通讯作者:
卢善富
作者简介:
罗来明(1993—),男,博士研究生,luolaiming2018@126.com
基金资助:
CLC Number:
Laiming LUO, Jin ZHANG, Zhibin GUO, Haining WANG, Shanfu LU, Yan XIANG. Simulation and experiment of high temperature polymer electrolyte membrane fuel cells stack in the 1—5 kW range[J]. CIESC Journal, 2023, 74(4): 1724-1734.
罗来明, 张劲, 郭志斌, 王海宁, 卢善富, 相艳. 1~5 kW高温聚合物电解质膜燃料电池堆的理论模拟与组装测试[J]. 化工学报, 2023, 74(4): 1724-1734.
几何参数 | 数值 |
---|---|
单池数量 | 10~60 |
膜电极长度/mm | 176.55 |
膜电极宽度/mm | 93.65 |
膜电极面积/cm2 | 165 |
气体扩散电极厚度/μm | 430 |
质子交换膜厚度/μm | 40 |
密封圈厚度/mm | 0.9 |
石墨双极板厚度/mm | 2.5 |
金属端板厚度/mm | 20 |
Table 1 Geometry parameters of HT-PEMFCs stack model
几何参数 | 数值 |
---|---|
单池数量 | 10~60 |
膜电极长度/mm | 176.55 |
膜电极宽度/mm | 93.65 |
膜电极面积/cm2 | 165 |
气体扩散电极厚度/μm | 430 |
质子交换膜厚度/μm | 40 |
密封圈厚度/mm | 0.9 |
石墨双极板厚度/mm | 2.5 |
金属端板厚度/mm | 20 |
边界条件和物性参数 | 数值 |
---|---|
氢气摩尔分数 | 1.0 |
氧气摩尔分数 | 0.21 |
氮气摩尔分数 | 0.79 |
氢气/空气(计量比) | 1.5/2.5 |
氢空及冷却液进口温度/℃ | 150 |
氢空及冷却液出口压力/Pa | 101325 |
阳极参考交换电流密度/(A/m2) | 102 |
阴极参考交换电流密度/(A/m2) | 10-3 |
催化层比表面积/ m-1 | 3×105 |
气体扩散层孔隙率 | 0.4 |
催化层孔隙率 | 0.3 |
气体扩散层渗透率/ m2 | 1.18×10-11 |
催化层渗透率/ m2 | 2.36×10-12 |
气体扩散电极电导率/(S/m) | 222 |
质子交换膜电导率/(S/m) | 7.64 |
氢气参考浓度/(mol/m3) | 40.88 |
氧气参考浓度/(mol/m3) | 40.88 |
Table 2 Boundary conditions and physical parameters of HT-PEMFCs stack model
边界条件和物性参数 | 数值 |
---|---|
氢气摩尔分数 | 1.0 |
氧气摩尔分数 | 0.21 |
氮气摩尔分数 | 0.79 |
氢气/空气(计量比) | 1.5/2.5 |
氢空及冷却液进口温度/℃ | 150 |
氢空及冷却液出口压力/Pa | 101325 |
阳极参考交换电流密度/(A/m2) | 102 |
阴极参考交换电流密度/(A/m2) | 10-3 |
催化层比表面积/ m-1 | 3×105 |
气体扩散层孔隙率 | 0.4 |
催化层孔隙率 | 0.3 |
气体扩散层渗透率/ m2 | 1.18×10-11 |
催化层渗透率/ m2 | 2.36×10-12 |
气体扩散电极电导率/(S/m) | 222 |
质子交换膜电导率/(S/m) | 7.64 |
氢气参考浓度/(mol/m3) | 40.88 |
氧气参考浓度/(mol/m3) | 40.88 |
Fig.4 The stacks temperature distribution (a), MEA temperature distribution (b) and current density distribution on the MEA reaction interface (c) of different single cell numbers (10—60 cells from left to right)
电堆单池 数量 | 输出 电压/V | 输出 功率/W | 膜电极 最高温度/K | 膜电极 最低温度/K | 膜电极 温差/K | 氢气流道 压降/Pa | 空气流道 压降/Pa | 冷却液流道 压降/Pa | 空压机和泵的 寄生功耗/W | 净输出 功率/W |
---|---|---|---|---|---|---|---|---|---|---|
10 | 6.41 | 211.66 | 431.01 | 424.06 | 6.95 | 69.07 | 913.30 | 2918.01 | 0.47 | 211.19 |
20 | 12.82 | 423.16 | 431.91 | 423.97 | 7.94 | 69.17 | 913.40 | 4021.40 | 0.99 | 422.17 |
30 | 19.23 | 634.72 | 431.90 | 423.87 | 8.03 | 69.11 | 913.61 | 5994.63 | 1.61 | 633.11 |
40 | 25.64 | 846.15 | 431.91 | 423.80 | 8.11 | 69.18 | 915.38 | 8726.89 | 2.38 | 843.77 |
50 | 32.04 | 1057.45 | 432.64 | 423.72 | 8.92 | 69.29 | 915.84 | 12885.26 | 3.41 | 1054.04 |
60 | 38.42 | 1267.93 | 433.90 | 423.68 | 10.22 | 69.33 | 917.95 | 19512.85 | 4.92 | 1263.00 |
Table 3 Effect of different single cell numbers on the physical parameters of stacks
电堆单池 数量 | 输出 电压/V | 输出 功率/W | 膜电极 最高温度/K | 膜电极 最低温度/K | 膜电极 温差/K | 氢气流道 压降/Pa | 空气流道 压降/Pa | 冷却液流道 压降/Pa | 空压机和泵的 寄生功耗/W | 净输出 功率/W |
---|---|---|---|---|---|---|---|---|---|---|
10 | 6.41 | 211.66 | 431.01 | 424.06 | 6.95 | 69.07 | 913.30 | 2918.01 | 0.47 | 211.19 |
20 | 12.82 | 423.16 | 431.91 | 423.97 | 7.94 | 69.17 | 913.40 | 4021.40 | 0.99 | 422.17 |
30 | 19.23 | 634.72 | 431.90 | 423.87 | 8.03 | 69.11 | 913.61 | 5994.63 | 1.61 | 633.11 |
40 | 25.64 | 846.15 | 431.91 | 423.80 | 8.11 | 69.18 | 915.38 | 8726.89 | 2.38 | 843.77 |
50 | 32.04 | 1057.45 | 432.64 | 423.72 | 8.92 | 69.29 | 915.84 | 12885.26 | 3.41 | 1054.04 |
60 | 38.42 | 1267.93 | 433.90 | 423.68 | 10.22 | 69.33 | 917.95 | 19512.85 | 4.92 | 1263.00 |
Fig.5 Voltage consistency (a), MEA average temperature, maximum temperature and temperature difference consistency of stacks with different single cell numbers [(b)—(d)]
电堆单池数量 | 平均 电压/mV | 标准偏差 | 最高单池 电压/mV | 最低单池 电压/mV | 极差/mV |
---|---|---|---|---|---|
10 | 0.6414 | 5.93×10-4 | 0.6426 | 0.6408 | 1.8 |
20 | 0.6412 | 7.16×10-4 | 0.6429 | 0.6405 | 2.4 |
30 | 0.6411 | 7.75×10-4 | 0.6432 | 0.6405 | 2.7 |
40 | 0.6410 | 8.89×10-4 | 0.6434 | 0.6401 | 3.3 |
50 | 0.6409 | 1.17×10-3 | 0.6438 | 0.6396 | 4.2 |
60 | 0.6404 | 1.77×10-3 | 0.6445 | 0.6380 | 6.5 |
Table 4 Effect of different single cell numbers on the voltage consistency of stacks
电堆单池数量 | 平均 电压/mV | 标准偏差 | 最高单池 电压/mV | 最低单池 电压/mV | 极差/mV |
---|---|---|---|---|---|
10 | 0.6414 | 5.93×10-4 | 0.6426 | 0.6408 | 1.8 |
20 | 0.6412 | 7.16×10-4 | 0.6429 | 0.6405 | 2.4 |
30 | 0.6411 | 7.75×10-4 | 0.6432 | 0.6405 | 2.7 |
40 | 0.6410 | 8.89×10-4 | 0.6434 | 0.6401 | 3.3 |
50 | 0.6409 | 1.17×10-3 | 0.6438 | 0.6396 | 4.2 |
60 | 0.6404 | 1.77×10-3 | 0.6445 | 0.6380 | 6.5 |
Fig.7 Experimental and simulation voltage consistency curves for 30 (a) and 60 (b) cells stacks, and experimental voltage consistency curve of 120 cells stack (c)
电堆单池 数量 | 平均 电压/mV | 标准 偏差 | 最高单池 电压/mV | 最低单池 电压/mV | 极差/mV |
---|---|---|---|---|---|
30 | |||||
实验 | 0.6566 | 6.51×10-3 | 0.6700 | 0.6460 | 24 |
模拟 | 0.6411 | 7.75×10-4 | 0.6432 | 0.6405 | 2.7 |
60 | |||||
实验 | 0.6548 | 5.48×10-3 | 0.6790 | 0.6520 | 27 |
模拟 | 0.6404 | 1.77×10-3 | 0.6445 | 0.6380 | 6.5 |
120 | |||||
实验 | 0.6552 | 1.62×10-2 | 0.6590 | 0.6000 | 59 |
Table 5 Voltage consistency parameters of 30 and 60 cells stacks (experiment and simulation), and 120 cells stack (experiment)
电堆单池 数量 | 平均 电压/mV | 标准 偏差 | 最高单池 电压/mV | 最低单池 电压/mV | 极差/mV |
---|---|---|---|---|---|
30 | |||||
实验 | 0.6566 | 6.51×10-3 | 0.6700 | 0.6460 | 24 |
模拟 | 0.6411 | 7.75×10-4 | 0.6432 | 0.6405 | 2.7 |
60 | |||||
实验 | 0.6548 | 5.48×10-3 | 0.6790 | 0.6520 | 27 |
模拟 | 0.6404 | 1.77×10-3 | 0.6445 | 0.6380 | 6.5 |
120 | |||||
实验 | 0.6552 | 1.62×10-2 | 0.6590 | 0.6000 | 59 |
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