3 ms·
The round trip efficiency of hydrogen and electricity is much less than batteries, even at large scale. What hydrogen has going for it is extremely low capex p
by pfdietz 3y ago
The round trip efficiency of hydrogen and electricity is much less than batteries, even at large scale.
What hydrogen has going for it is extremely low capex per unit of energy storage capacity, perhaps $1/kWh for a system that stores compressed hydrogen in solution mined salt caverns.