基于超薄均温板的聚合物电解质膜燃料电池堆散热性能研究

doi:10.19799/j.cnki.2095-4239.2023.0372

储能科学与技术 ›› 2023, Vol. 12 ›› Issue (9): 2962-2970.doi: 10.19799/j.cnki.2095-4239.2023.0372

基于超薄均温板的聚合物电解质膜燃料电池堆散热性能研究

杨建青¹(), 罗仁宏²(), 崔嵘³, 王之丰⁴, 郦亦含¹

^1.浙江工业职业技术学院，交通学院，浙江绍兴 312000
^2.武汉商贸职业学院，现代工业技术学院，湖北武汉 430000
^3.岚图汽车科技有限公司，湖北武汉 430001
^4.浙江省吉利汽车研究院有限公司，浙江杭州 315336

收稿日期:2023-05-29 修回日期:2023-06-29 出版日期:2023-09-05 发布日期:2023-09-16
通讯作者: 罗仁宏 E-mail:1213256624@qq.com;15171391539@qq.com
作者简介:杨建青（1985—），男，博士，讲师，主要研究方向为动力电池热管理，E-mail：1213256624@qq.com；
基金资助:
湖北省教育厅科学技术研究项目(B2022616);湖北省教育科学规划项目(2022GB245)

Study on heat dissipation performance of polymer electrolyte membrane fuel cell reactor based on ultra-thin uniform temperature plate

Jianqing YANG¹(), Renhong LUO²(), Rong CUI³, Zhifeng WANG⁴, Yihan LI¹

^1.Institute of transportation, Zhejiang Industry Polytechnic College, Shaoxing 312000, Zhejiang, China
^2.Modern Industrial Technology Institute, Wuhan Business and Trade Vocational College, Wuhan 430000, Hubei, China
^3.Lantu Automobile Technology Co. , Ltd. , Wuhan 430001, Hubei, China
^4.Zhejiang Geely Automobile Research Institute Co. Ltd. , Hangzhou 315336, Zhejiang, China

Received:2023-05-29 Revised:2023-06-29 Online:2023-09-05 Published:2023-09-16
Contact: Renhong LUO E-mail:1213256624@qq.com;15171391539@qq.com

摘要/Abstract

摘要：

为了提升聚合物电解质膜燃料电池堆散热性能，文章提出了将一种超薄均温板作为目标电池堆散热结构。基于理论计算和试验验证方法搭建了基于均温板的氢燃料电池堆计算模型，并探究了均温板蒸发段换热系数以及布置角度对目标电池堆散热性能影响。研究结果表明，目标电池堆平均温度和温度均匀性指数随均温板冷凝段对流换热系数增大而降低；水平布置角度下电池堆平均温度和温度均匀性表现最佳，而反重力布置角度表现最差；随着负载的增大，目标电池堆平均温度最高值不超过341.15 K，温度均匀性指数低于1.1，最大温差为4.1 K，使用超薄均温板可使目标电池堆有效散热且具有较好温度分布。

关键词: 燃料电池, 均温板, 温度分布, 布置角度, 对流换热系数

Abstract:

An ultra-thin homogeneous temperature plate was proposed as the target heat dissipation structure to improve the heat dissipation performance of a polymer electrolyte membrane fuel cell reactor. The calculation model of a hydrogen fuel cell reactor based on the uniform temperature plate was established using the theoretical calculation and experimental verification methods and explored the influence of the heat transfer coefficient of the evaporation section of the uniform temperature plate and the arrangement angle on the heat dissipation performance of the target battery reactor. The results showed that the average temperature and the temperature uniformity index of the target cell stack decrease with the increase of the convective heat transfer coefficient in the condensation section of the temperature homogenizer. The average temperature and temperature uniformity of the battery stack are better than those of the anti-gravity arrangement at gravity and horizontal arrangement angles. With an increase in load, the maximum average temperature of the target battery stack should not exceed 341.15 K, the temperature uniformity index must be less than 1.1, and the maximum temperature difference must be 4.1 K. The ultra-thin temperature equalizing plate can effectively dissipate heat from the target battery stack and has excellent temperature distribution.

Key words: fuel cell, uniform temperature plate, temperature distribution, layout angle, convective heat transfer coefficient

中图分类号:

TK 172

杨建青, 罗仁宏, 崔嵘, 王之丰, 郦亦含. 基于超薄均温板的聚合物电解质膜燃料电池堆散热性能研究[J]. 储能科学与技术, 2023, 12(9): 2962-2970.

Jianqing YANG, Renhong LUO, Rong CUI, Zhifeng WANG, Yihan LI. Study on heat dissipation performance of polymer electrolyte membrane fuel cell reactor based on ultra-thin uniform temperature plate[J]. Energy Storage Science and Technology, 2023, 12(9): 2962-2970.

图/表 16

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名称	数值
阳极流道深度/mm	0.3
阳极流道宽度/mm	1.1
阳极肋板宽/mm	1.8
阴极流道深度/mm	0.4
阴极流道宽度/mm	1.1
阴极肋板宽/mm	1.0
催化面积/cm²	19.0
气体扩散层厚度/μm	234.0
电池活性面积/cm²	80.0

项目	蒸发段平均温度/K	蒸发段平均温度误差/%	热阻/(K/W)	热阻误差/%
试验值	319.73	1.41	0.88	3.41
计算值	315.21	1.41	0.85	3.41

名称	数值
阳极电流密度/(A/m²)	7.8
阳极电荷转换系数	1.1
阳极浓度指数	1.0
阳极Pt负载量/(mg/cm²)	0.27
H₂O在阳极扩散/(m²/s)	4.0×10^-5
阴极电流密度/(A/m²)	7.2×10^-4
阴极电荷转换系数	1.1
阴极浓度指数	1.0
阴极Pt负载量/(mg/cm²)	0.53
H₂O在阴极扩散/(m²/s)	4.0×10^-5
H₂参考浓度/(mol/m³)	0.89
H₂扩散/(m²/s)	4.0×10^-5
O₂参考浓度/(mol/m³)	0.89
O₂扩散/(m²/s)	4.0×10^-5
扩散层孔隙率	0.7
催化剂层孔隙率	0.5
催化剂层渗透/m²	10¹²
膜当量/(kg/mol)	1.1
集流板导热系数/[W/(m·K)]	100
集流板电导率/(S/cm)	1×10⁴
扩散层导热系数/[W/(m·K)]	10
扩散层电导率/(S/cm)	2.8
催化剂层导热系数/[W/(m·K)]	10
催化极层电导率/(S/cm)	50
聚合物电解质膜导热系数/[W/(m·K)]	0.16

仪器	型号	误差值
数据采集仪	YOGOKAWA	±0.02 ℃/±2 mV
电子负载机	JT6332	±0.0015%
热电偶	GGK-30	±0.02 ℃

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基于超薄均温板的聚合物电解质膜燃料电池堆散热性能研究

Study on heat dissipation performance of polymer electrolyte membrane fuel cell reactor based on ultra-thin uniform temperature plate

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