氢燃料电池热特性测试平台设计和应用

Design and application of a thermal characteristic test platform for hydrogen fuel cells

国内氢燃料电池大功率、全负载的发展面临温度一致性与余热利用的热管理挑战.为了获得大功率氢燃料电池的能量转化与温度分布等热特性规律,搭建了模块化的氢燃料电池热特性测试平台,并进行应用研究,验证了该平台的功能性和实用性.该测试平台包括冷却散热模块、热特性测试模块、数据采集模块与控制模块等,能够在对热管理关键温度进行监测并对氢燃料电池产热特性进行实时测量分析的基础上,利用红外热成像与热电偶阵列对燃料电池各单元间的温度一致性进行测试与评价,旨在为余热利用、提升温度均匀性等先进热管理技术的研究提供测试手段与数据基础,对推进氢燃料电池汽车的节能化、高效化具有重要意义.

A high-power,full-load domestic hydrogen fuel cell faces the thermal management challenges of temperature consistency and waste heat utilization.To obtain the thermal characteristics of a hydrogen fuel cell,a modular test platform was built,and application research was conducted to verify the functionality of the platform.The test platform included a cooling module,a thermal characteristic test module,a data acquisition module,and a control module.On the basis of monitoring the key temperature of thermal management and real-time analysis of the heat production,thermal imaging and thermocouple arrays were used to test and evaluate the temperature consistency,aiming to provide test methods and a data basis for the research of advanced thermal management technologies,such as waste heat utilization,and the improvement of temperature uniformity.This work is of great significance for promoting the energy saving and high efficiency of fuel cell vehicles.