C12A7空心阴极研究进展  

Research Progress of C12A7 Hollow Cathode

作　　者：华志伟 韩鈺 王平阳[1] 杭观荣 HUA Zhiwei;HAN Yu;WANG Pingyang;HANG Guanrong(School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;Department of Power,Harbin Power Vocational and Technical College,Harbin 150030,China;Shanghai Institute of Space Propulsion,Shanghai 201112,China)

机构地区：[1]上海交通大学机械与动力工程学院,上海200240 [2]哈尔滨电力职业技术学院动力系,哈尔滨150030 [3]上海空间推进研究所,上海201112

出　　处：《真空与低温》2022年第1期34-38,共5页Vacuum and Cryogenics

基　　金：装备预研航天科技联合基金(6141B061203)。

摘　　要：C12A7电子化合物因具有较低的逸出功和优良的化学稳定性备受电推进领域关注。介绍了这种新型发射体材料的特性,回顾了国内外C12A7空心阴极的试验结果和研究进展,分析了C12A7空心阴极存在的问题和关键技术,并对其应用前景和未来的发展方向进行了讨论。C12A7 electride hollow cathode has attracted much attention in the field of electric propulsion because of its lower work function and excellent chemical stability.This paper introduces the properties of this new emitter material and reviews the experimental results and research progress of C12A7 hollow cathodes at home and abroad.The problems and critical technologies of C12A7 hollow cathodes are analyzed.Discussion about future development trends and applica‐tion prospects are also presented.

关 键 词：空心阴极 电推进 C12A7电子化合物 

分 类 号：V439[航空宇航科学与技术—航空宇航推进理论与工程]