- Apr 2, 2007
- No, sleep, till, BROOKLYN
- 11 Xterra Pro-4x, 12 'stang GT
That pre supposes that you have the ability to charge while doing something else. As an example I went to fill up the X this am and popped over to the drive through for a coffee. Both of those things combined were under 15 minutes, (with most of the time being in the queue of cars to get to my order) that’s not something you could replicate with a fast charger. *car being faster to charge than he can eat lunch.
*This assumes no charger at home for obvious reasons.
Charging times are a massive drawback to EVs at this point, there is no getting around that.
However consider that increasing size of storage tank on an HFCEV adds only a fraction of weight that it would for a BEV, since you also have to keep in mind that those batteries require cooling and insulation for the cells to mitigate thermal runaway.Comparing the power density of a battery with the power density of hydrogen - you'll have to include the tank (high pressure or looooow temperature containers aren't exactly paperweight...) and fuel cell in the comparison. The Mirai has about 5kg hydrogen capacity, with an 87.5kg tank and a 56kg fuel cell stack. Taking those two into consideration it drops the hydrogen system energy density by 30x compared to just the hydrogen itself. Still denser than a battery, but not by that much.