| 摘要: |
| 首先介绍了空间应用燃料电池高效散热及温控技术。高精度控温主要是利用被动散热技术，将产生的热量快速传导至外部冷却介质，从而保证产热面的温度均匀性，实现电池稳定工作。通过嵌入式被动散热和双端散热的冷却方式，实现电堆内部最大温差小于5 ℃，换热系数达1000W/(m·K)。 |
| 关键词: 燃料电池 热能利用 冷板 |
| DOI： |
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| 基金项目:载人航天预先研究项目（050403,020301） |
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| Study on High-Efficient Utilization of Heat Energy of Fuel Cells in Aerospace |
| FENG Lei,XIE Wen,WEN Chen,CUI Qingxin,BAI Jingying |
| (Beijing Spacecrafts Co., Ltd.) |
| Abstract: |
| The temperature control and heat exchanger technologies for fuel cells which apply to aerospace are researched. In order to maintain the stability of the fuel cell, passive heat exchanger technique which transfers heat to cold media quickly is used by high accuracy temperature control to make sure temperature uniformity of the heating element. On both sides of stack, embedded passive heat pipe plate which uses micro canal technique is used to limit stack temperature difference to 5 ℃, improving coefficient of heat transfer to 1000W/(m·K). |
| Key words: Fuel cell Thermal energy utilization Cold plate |