Neighboring hydrogen molecules (two bonded hydrogen atoms) clustered around the ion, in groups of a few molecules to over 60. The scientists also determined the geometric structures of the clusters.

New ionic materials boost hydrogen fuel cell efficiency! Their findings have been selected for the back cover of Angew. Chem. Int. Ed. and published on June 20, 2023 Date: September 11, 2023 ...

In Hosono’s view, hydrogen-rich LaH3−2xOx is a promising candidate for next-generation hydrogen carriers and can promote fossil fuel replacement.