Re:Toyota announces sustainable vehicle ecosystem [video]
by ljcn on Friday June 07, 2019 @09:33AM
(#20124275)
Actually having now read a link elsewhere in this discussion (https://www.thedrive.com/tech/26050/exclusive-toyota-hydroge...)...
It seems that _liquid_ hydrogen escapes from small containers fairly quickly (weeks) and requires temperatures close to 0K, so cars use pressurized hydrogen _gas_ (700 bar for the Mirai) which doesn't escape.
_Mass_ storage of liquid hydrogen is no problem (months).
Some good info here on the transportation problem: https://www.thechemicalengineer.com/features/japan-taking-a-...