![]() ![]() Wang and his team used technology they have been working on for electric vehicle batteries. These batteries could sustain more than 2,000 fast-charges over their lifetime. The researchers experimentally tested two energy-dense lithium-ion batteries that can recharge with enough energy for a 50-mile eVTOL trip in five to ten minutes. Once the eVTOL takes off, on short trips the average speed would be 100 miles per hour and long trips would average 200 miles per hour, according to Wang. Weight is also a consideration for these batteries as the vehicle will have to lift and land the batteries. “The first use will probably be from a city to an airport carrying three to four people about 50 miles.” “Commercially, I would expect these vehicles to make 15 trips, twice a day during rush hour to justify the cost of the vehicles,” said Wang. ![]() He sees these vehicles having frequent take-offs and landings and recharging quickly and often. ![]() Wang notes that the batteries will also need to be rapidly recharged so that there could be high revenue during rush hours. The fast-charging requirements, 30x increase in energy throughput, and 3x power requirements demand a new generation of battery. The automotive electric vehicle revolution is paving the way for urban air mobility, but people must not be naive in thinking that electric vehicle batteries will suffice for electric flight. ![]()
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