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ETH unveils iron-based hydrogen storage that’s 10x cheaper, safer
ETH Zurich researchers plan to use 19th century knowledge to store hydrogen for months in a reaction involving iron and water, without any capacity loss.
Led by Wendelin Stark, a professor of functional materials, ETH Zurich researchers use the steam-iron process, known since the 19th century, to store hydrogen in iron. However, the researchers are keen to test the technology at a larger scale and plan to store 4 gigawatt hours (GWh) in reactors with a volume of 2,000 cubic meters. To put that in perspective, it equates to around one-tenth of the capacity of the Nate de Drance pumped storage power plant,” Stark added in a press release.
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