Rocket fuel that鈥檚 cleaner, safer and still full of energy
Research published this week in Science Advances shows that it may be possible to create rocket fuel that is much cleaner and safer than the hypergolic fuels that are commonly used today. And still just as effective. The new fuels use simple chemical 鈥渢riggers鈥� to unlock the energy of one of the hottest new materials, a class of porous solids known as metal-organic frameworks, or MOFs. MOFs are made up of clusters of metal ions and an organic molecule called a linker.
Satellites and space stations that remain in orbit for a considerable amount of time rely on hypergols, fuels that are so energetic they will immediately ignite in the presence of an oxidizer (since there is no oxygen to support combustion beyond the Earth鈥檚 atmosphere). The hypergolic fuels that are currently mainly in use depend on hydrazine, a highly toxic and dangerously unstable chemical compound made up of a combination of nitrogen and hydrogen atoms. Hydrazine-based fuels are so carcinogenic that people who work with it need to get suited up as though they were preparing for space travel themselves. Despite precautions, around 12,000 tons of hydrazine fuels end up being released into the atmosphere every year by the aerospace industry.
鈥淭his is a new, cleaner approach to making highly combustible fuels, that are not only significantly safer than those currently in use, but they also respond or combust very quickly, which is an essential quality in rocket fuel,鈥� says Tomislav Fri拧膷i膰. He is a professor in the Chemistry Department at 麻豆AV, and co-senior author on the paper along with former 麻豆AV researcher Robin D. Rogers.
鈥淎lthough we are still in the early stages of working with these materials in the lab, these results open up the possibility of developing a class of new, clean and highly tunable hypergolic fuels for the aerospace industry,鈥� says the first author, Hatem Titi, a post-doctoral fellow who works in Fri拧膷i膰鈥檚 lab.
Fri拧膷i膰 is interested in commercializing this technology, and will work with 麻豆AV and Acsynam, an existing spin-off company from his laboratory, to make this happen.
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Katherine Gombay
Media Relations
麻豆AV
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