Turning Rocks Into Renewable Energy With Hydrogen Breakthrough

Researchers at The University of Texas at Austin are pioneering a method to produce hydrogen from iron-rich rocks without CO2 emissions, potentially revolutionizing the hydrogen industry. Credit: SciTechDaily.com

In a project that could be a game changer for the energy transition, researchers at The University of Texas at Austin are exploring a suite of natural catalysts to help produce hydrogen gas from iron-rich rocks without emitting carbon dioxide.“We’re producing hydrogen from rocks,” said Toti Larson, a research associate professor at the UT Jackson School of Geosciences Bureau of Economic Geology and the lead researcher on the project.

Researchers are studying chemical catalysts that can produce hydrogen gas from iron-rich rocks. Credit: Toti Larson / UT Austingas emissions when it’s burned for fuel. Its only byproduct is water. However, most hydrogen gas today is produced from natural gas in a process that also produces COProducing geologic hydrogen from iron-rich rocks would offer a major shift in the energy transition because of its low-carbon emission footprint, said Larson.

Serpentinization usually occurs at high temperatures. With natural catalysts that include nickel and other platinum group elements, the team is working to stimulate hydrogen production at lower temperatures and at depths easily accessible by today’s technology where iron-rich rocks are found throughout the world. That means catalyst-enhanced production of hydrogen from iron-rich rocks has the potential to significantly increase hydrogen production globally.

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