China achieves world’s first room-temperature Hydride Ion conductor

 https://www.dimsumdaily.hk/china-achieves-worlds-first-room-temperature-hydride-ion-conductor

"reactive hydrogen species and energy carrier and storage... ball milling deform Lanthanum trihydride created nanosized grains and defects in LaHx lattice suppressing electronic conductivity by 5 orders magnitude... record-high conductivities... high redox potential and strong reducibility... longer battery life, faster charging, fuel cells"

Related: Storing electrons from hydrogen for clean chemical reactions
https://phys.org/news/2024-03-electrons-hydrogen-chemical-reactions.html