New Study Looks to Biological Enzymes as Source of Hydrogen Fuel

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December 3, 2019

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by Lois Yoksoulian (University of Illinois News Bureau) Research from the University of Illinois and the University of California, Davis has chemists one step closer to recreating nature’s most efficient machinery for generating hydrogen gas. This new development may help clear the path for the hydrogen fuel industry to move into a larger role in the global push toward more environmentally friendly energy sources.

The researchers report their findings in the Proceedings of the National Academy of Science.

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…(S)cientists are looking toward biologically synthesized hydrogen, which is far more efficient than the current human-made process, said chemistry professor and study co-author Thomas Rauchfuss.

Biological enzymes, called hydrogenases, are nature’s machinery for making and burning hydrogen gas.

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Team members say they are not sure what type of applications this new understanding of the iron-iron hydrogenase enzyme will lead to, but the research could provide an assembly kit that will be instructive to other catalyst design projects.

“The take-away from this study is that it is one thing to envision using the real enzyme to produce hydrogen gas, but it is far more powerful to understand its makeup well enough to able to reproduce it for use in the lab,” Rauchfuss said.

Researchers from the Oregon Health and Science University also contributed to this study.

The National Institutes of Health supported this study. READ MORE

The binuclear cluster of [FeFe] hydrogenase is formed with sulfur donated by cysteine of an [Fe(Cys)(CO)2(CN)] organometallic precursor (Proceedings of the National Academy of Science)

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