What could electric driving be so pleasant if the energy could be stored better?
While diesel has a calorific value of around 12 kilowatt hours per kilo, a modern battery only stores around 150 watt hours per kilogram - fortunately, electric motors work more efficiently than combustion engines, and the batteries can be recharged.
Nevertheless, until an ingenious innovation revolutionizes the energy density of batteries, the electric cars either drag around huge and heavy packages containing expensive raw materials, or they just don't get very far.
Lukas Weber
Editor in the “Technology and Engine” section.
Follow I follow
One solution is for cars to generate their own electricity.
This can be done with combustion engines that drive a generator, or, more technically, with a fuel cell.
Such cars are electrically powered by batteries that are constantly charged by a fuel cell that runs on hydrogen from a tank and oxygen from the air.
The advantage: It works quietly, and the only “waste gas” that is produced is clean water.