太阳能无人机能源系统的关键技术与发展趋势

作为探索临近空间领域的新兴飞行器，太阳能无人机（SUAV）在性能、技术及任务航时均呈现出不同于传统飞行器的新特点。其中，太阳能无人机能源系统的比能量、比功率是影响飞机整体性能的核心因素。因此，本文首先对太阳能无人机的太阳电池、储能电池的发展现状进行了阐述，然后针对能量获取多元化、能源系统管理高效化、能源载荷一体化方向对太阳能无人机能源系统的未来发展趋势进行了展望。

Key technology and development trend of energy system in solar powered unmanned aerial vehicles

As a new aircraft for exploring near space, Solar powered Unmanned Aerial Vehicle (SUAV) shows new characteristics different from traditional aircraft in performance, technology, and endurance. The specific energy and specific power of SUAV occupy important positions in aircraft performance. In order to carry out an in-depth research, this paper firstly elaborates the composition and key technologies of SUAV energy system and looks forward to the future research hotspots and development trends in the diversity of energy access, the high efficiency of energy management, and the integration of energy load.