According to singularity hub, the power density of electric engines are way too small to compete with Jet Fuel currently. Quoted "In much the same way that early experiments with motor vehicles involved electric and gasoline-powered vehicles, electric flight also has a long history. Electric cars accounted for a third of all car sales back in 1900, figures that are only now starting to be matched in countries like Norway. Several airships were electrically powered, with the Tissandier brothers in 1883 flying an electrically-powered dirigible before the Wright Brothers’ glider took to the air.However, an electrically-powered airplane was a very different proposition. The key problem is energy density. It’s not hard to see why this is a problem. The energy density of jet fuel is around 43 MJ/kg, or 12,000 Wh/kg, which is nearly twice that of coal and three times that of wood. Compare this to a classic lead-acid battery, which has an energy density of around 30 Wh/kg."
As we know research will continue along this path to find practical solutions especially for the short haul and personal travel. Read more.
What do you think of these challenges? share your views.