What is the energy density of hydrogen?
In electrical terms, the energy density of hydrogen is equal to 33.6 kWh of usable energy per kg, versus diesel which only holds about 12–14 kWh per kg. What this really means is that 1 kg of hydrogen, used in a fuel cell to power an electric motor, contains approximately the same energy as a gallon of diesel.
Is hydrogen high energy density?
Importantly, hydrogen has the highest gravimetric energy density of all known substances, i.e. a lower heating value (LHV) of ~120 kJ/g.
How much energy is 1kg of hydrogen?
1 kg of hydrogen contains 33.33 kWh of usable energy, whereas petrol and diesel only hold about 12 kWh/kg (see www.h2data.de).
Is hydrogen has high energy density than petrol?
High density hydrogen storage is a challenge for stationary and portable applications and remains a significant challenge for transportation applications. On a mass basis, hydrogen has nearly three times the energy content of gasoline—120 MJ/kg for hydrogen versus 44 MJ/kg for gasoline.
What is the density of hydrogen at 700 bar?
42 kg/m3
So, at 700 bar, which is 700 times normal atmospheric pressure, hydrogen has a density of 42 kg/m3, compared with 0.090 kg/m3 under normal pressure and temperature conditions. At this pressure, 5 kg of hydrogen can be stored in a 125-liter tank.
What is the density of hydrogen in G cm3?
0.0899g/cm3
Density of Hydrogen is 0.0899g/cm3.
How much energy is in a Litre of hydrogen?
Hydrogen at 50 atmospheres pressure provides about 0.13 kilowatt-hours per litre, and liquid hydrogen provides 2.36 kilowatt-hours per litre. (Petrol or oil provide about 10 kilowatt-hours per litre.)
How much energy is produced by the fusion of 1 kg of hydrogen?
4H -> He + energy. Fusing one kilogram of hydrogen into helium releases 630 trillion joules of energy. That’s nearly 5 million times what you’d get by burning the same hydrogen to get water.
How heavy is a hydrogen tank?
heref fore, an 8.5 gallon tank, which in a 40 mpg vehicle provides a 340-mile range (comparable to the Ford’s vehicle) weighs about 76 lb and displaces 9.0 to 9.5 gallons (34 to 36 liters).
What is the density of hydrogen at STP?
0.09 g/L.
Hence the density of hydrogen at STP conditions is calculated to be 0.09 g/L.
What is the density of hydrogen peroxide?
1.45 g/cm³
Hydrogen peroxide/Density
How many kW does it take to produce 1kg of hydrogen?
39 kWh
A 100% efficient electrolyser requires 39 kWh of electricity to produce 1 kg of hydrogen.