But Rothenberger and others at the meeting emphasized that
a viable hydrogen storage material would have to give up the gas when it is needed.
Still, other teams have shown that the tiny tubes can hold about 4 % or so, close to the magic figure of 6.5 % that's needed for
a viable hydrogen storage material.
Not exact matches
They believe that the prototype hybrid train concept, which uses a metal - hydride
storage tank and
hydrogen fuel cell working in tandem with batteries, is a very
viable model for future development.