Catch-and-release solid-state fuel cell material operates coolly

Using a catch-and-release method of swapping out hydrogen atoms, scientists at Pacific Northwest National Laboratory and the University of Connecticut have tested a solid-state hydrogen storage material that operates at low temperatures. Scientists improved the dynamics of the reversible system at a significantly lower temperature by employing additives and a mechanical process called "ball milling." These results tackle two prime objectives for improving the performance and safety of hydrogen fuel cells: lower the temperature and increase the storage capacity.

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