期刊
出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.2111164118
关键词
energy efficiency; transport electrification; urban air mobility
资金
- Advanced Research Projects Agency-Energy Integration and Optimization of Novel Ion-Conducting Solids (IONICS) program [DE-AR0000774]
- Carnegie Mellon University Presidential Fellowship
Improvements in rechargeable batteries have enabled the design of electric urban air mobility (UAM) aircraft with longer range and higher passenger capacity, resulting in lower energy consumption. The technological readiness of these new aircraft designs is high, although uncertainties remain in terms of rechargeability and lifetime performance.
Improvements in rechargeable batteries are enabling several electric urban air mobility (UAM) aircraft designs with up to 300 mi of range with payload equivalents of up to seven passengers. Novel UAM aircraft consume between 130 Wh/passenger-mi and - similar to 1,200 Wh/passenger-mi depending on the design and utilization, compared to an expected consumption of over 220 Wh/passenger-mi and 1,000 Wh/passenger-mi for terrestrial electric vehicles and combustion engine vehicles, respectively. We also find that several UAM aircraft designs are approaching technological viability with current Li-ion batteries, based on the specific power and energy, while rechargeability and lifetime performance remain uncertain. These aspects highlight the technological readiness of a new segment of transportation.
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