Hydrogen produced by electrolysis does have the benefit of producing pure oxygen as well which you could also use in a fuel cell instead normal air boosting its efficiency.
On my commute I use about 6L of gas for 90km round trip, I'm going to guess my Neon is only 17% efficient(1/6) in turning gas energy into vehicle movement. So it takes about 32 mega joules(energy in 1L of gas) to actually get my car to work. Thats 8.9 kWh
So an aerodynamic, lighter electric vehicle could only need 5kWh for the same trip.
If you can generate energy stored in hydrogen at 33% efficiency and the vehicle is 33% efficient with its fuel cell you need about 45 kwh of solar energy. A 25kW (about 1000 sq ft)solar panel array should be able to average over 45 kwh a day. The excess is stored for the cloudy days.
Not really cost effective today but everyone with a house has the space for the solar panels atleast.
Compressing and storing pure hydrogen and oxygen is something to figure out too for a household based system, but not impossible I think.
On my commute I use about 6L of gas for 90km round trip, I'm going to guess my Neon is only 17% efficient(1/6) in turning gas energy into vehicle movement. So it takes about 32 mega joules(energy in 1L of gas) to actually get my car to work. Thats 8.9 kWh
So an aerodynamic, lighter electric vehicle could only need 5kWh for the same trip.
If you can generate energy stored in hydrogen at 33% efficiency and the vehicle is 33% efficient with its fuel cell you need about 45 kwh of solar energy. A 25kW (about 1000 sq ft)solar panel array should be able to average over 45 kwh a day. The excess is stored for the cloudy days.
Not really cost effective today but everyone with a house has the space for the solar panels atleast.
Compressing and storing pure hydrogen and oxygen is something to figure out too for a household based system, but not impossible I think.
