离子液体电喷推力器的关键技术及展望

首先介绍离子液体电喷推力器的工作原理和分类，通过与其他相同推力量级的电推力器对比进一步分析了其特点，然后总结了离子液体电喷推力器的国内外研究现状，在此基础上重点梳理了微尺度下带电粒子的产生与加速、微细制造与精密装配、推进剂贮存和供给、高升压比微功率电源处理单元以及比冲和推力测试等离子液体电喷推力器研制过程中涉及的关键技术，最后展望了小型化、模块化与推力密度提升的发展趋势并提出离子液体电喷推力器的发展构想。

Key Technologies and Prospect of Ionic Liquid Electrospray Thruster

The working principle and classification of the ionic liquid electrospray thrusters are firstly introduced. The characteristics are further analyzed by comparing the ionic liquid electrospray thrusters with other electric thrusters of the same thrust magnitude. Then the research status is summarized. Based on these, the key technologies such as the generation and acceleration of the charged particles in microscale, the microfabrication and precision assembly technology, the storage and supply of propellant, the high boost ratio power processing unit and the measurement of the specific impulse and thrust are analyzed. Finally, the development trends such as miniaturization, modularization and increase of thrust density are outlined and the development conception of the ionic liquid electrospray thrusters is proposed.