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.
作者
华志伟
韩鈺
王平阳
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)
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)。
