空间热离子能量转换技术发展综述

A Review of Technology Development of Thermionic Energy Conversion for Space Application

空间核反应堆电源是未来空间任务大功率、长寿命能源需求的有力保障,热离子能量转换技术是空间热离子反应堆电源的关键技术之一。概述了空间热离子反应堆电源的总体构造及工作原理,从热离子能量转换的原理、热离子发电元件的类型及其特点、电极材料、试验装置等方面综述了热离子转换技术的发展现状、存在的问题及发展趋势。

Space nuclear reactor power can supply the large output and long life power required by future space missions.The technology of thermionic energy conversion is one of the major key points of space thermionic nuclear reactor power.The whole construction and operating principle of space thermionic nuclear reactor power are summarized.And the development state,exsiting issues,and trend are reviewed for the technology of thermionic energy conversion,including the principle of thermionic energy conversion,varieties and characteristic of thermionic cell,electrode material,and experimental apparatus.