The electric aircraft can be divided into two categories. One is the All Electric Aircraft (AEA) driven by electric motors and the other is the Multi-Electric Aircraft (MEA) driven by internal combustion engines. The current fuel cell powered aircraft, solar powered aircraft, and nuclear powered aircraft are introduced first, and then the research of multi-electric engine is summarized and methods of reducing the weight of electric systems are suggested. Finally, it points out that the new energy source technology, micro-grid technology, superconductor technology and composite material technology will accelerate the development of electric aircraft.%电力飞机目前分为两类：电机驱动的金电飞机、内燃机驱动的多电飞机。本文先描述了燃料电池飞机、太阳能飞机、核电飞机的研究现状，进而给出了多电飞机引擎的研究进展，提出了减小飞机电气系统重量的策略。最后指出新能源技术、微电网技术、超导技术、复合材料技术的进步将进一步推动电力飞机的发展。
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