{"title":"Development of Passive Fuel Cell Thermal Management Technology","authors":"K. Burke, Ian J. Jakupca, Anthony J Colozza","doi":"10.2514/6.2009-4656","DOIUrl":"https://doi.org/10.2514/6.2009-4656","url":null,"abstract":"The NASA Glenn Research Center is developing advanced passive thermal management technology to reduce the mass and improve the reliability of space fuel cell systems for the NASA exploration program. The passive thermal management system relies on heat conduction within the cooling plate to move the heat from the central portion of the cell stack out to the edges of the f uel cell stack rather than using a pumped loop cool ing system to convectively remove the heat. Using the passive app roach eliminates the need for a coolant pump and ot her cooling loop components which reduces fuel cell system mass and improves overall system reliability. Previous analysis had identified that low density, ultra-high thermal con ductivity materials would be needed for the cooling plates in order to achieve the desired reductions in mass and the h ighly uniform thermal heat sink for each cell withi n a fuel cell stack [1] . A pyrolytic graphite material was ident ified and fabricated into a thin plate using differ ent methods. Also a development project with Thermacore, Inc resulted in a planar heat pipe. Thermal conductivity tests were done using these materials. The results indicated that l ightweight passive fuel cell cooling is feasible. I. Introduction The purpose of this work was to test sample potenti al cooling plates for NASA’s fuel cells. The key pa rameters used to screen these samples were thermal conductivity, material density, and compatibility with the a nticipated fuel cell stack environment. Materials that demonstrated sufficient promise as passive cooling plates would continue to be studied and further optimized with the goal of d eveloping a light weight fuel cell cooling plate.","PeriodicalId":223991,"journal":{"name":"7th International Energy Conversion Engineering Conference","volume":"18 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114264217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}