The ensuing combustion generates heat and pressure, propelling the pistons and powering the vehicle. However, the pivotal distinction lies in the fuel. Hydrogen, the lightest and most abundant element in the universe, burns cleanly, yielding solely water vapour as a byproduct. This eradicates the ...
Electrification, automation and various hybrid and alternative fuel solutions are already attracting a lot of attention. However, one possibility that has been overshadowed in comparison is hydrogen fuel cell technology.
It can be. The hydrogen is stored in a high-pressure tank (or two) on the vehicle. Compressed hydrogen at 700 bar is equivalent to 10,153PSI (for context, you inflate your car's tyres to about 33PSI) and if it leaks in any way, it's prone to spontaneously combust. It's importan...
much like an electric vehicle. Meanwhile, with internal combustion, hydrogen is used the same way as gasoline or jet fuel. Liquid or gaseous hydrogen is burned in a gas turbine engine to generate thrust.
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A catalyst at the anode breaks the molecules into hydrogen ions (the protons) and a flow of electricity (the electrons). The ions pass through the membrane, but the electricity has to go around. While it's doing so, it can be harnessed to do work. Just as hydrogen is forced into the...
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Another possibility is to have a vehicle with a solar panel on the roof that uses the Sun's electricity to split water into hydrogen and oxygen gases with an electrolyzer (see box below). These gases are then recombined in the fuel cell to produce electricity. (The advantage of doing ...
Once fully charged, the vehicle has a set range before needing to be charged again. Electric cars are built with other features to extend battery life, like turning the engine off when the car isn't in motion and using the kinetic energy from when the car brakes to charge the battery. ...
How does a hydrogen fuel cell work? What is H2 and how is it used as a fuel? H2, that is, hydrogen fuel, is a molecule consisting of two hydrogen atoms. It is very flammable and can be used as a fuel that doesn’t produce any greenhouse gas emissions such as carbon. This makes ...