3 ms·
Hydrogen has an energy density of 120 MJ/kg. Gasoline has an energy density of 46.4 MJ/kg. Lithium ion batteries at 2.5. They’re not even in the same ballpark.
by ed25519FUUU 6y ago
Hydrogen has an energy density of 120 MJ/kg. Gasoline has an energy density of 46.4 MJ/kg. Lithium ion batteries at 2.5. They’re not even in the same ballpark.
- newacct583 6y agoOnly aircraft care, though. Fuel weight in other applications is basically a non-issue except for really niche gadgets.
- yholio 6y ago> Hydrogen has an energy density of 120 MJ/kg. Divide that by 15 to get real world densities of compressed hydrogen composite storage tanks, you need a 104 Kg tank to store 7.5 Kg of hydrogen, for a total of 111.5 kg when full.