Recent progress in research and development of hollow cathodes for electric propulsion

DR Lev, IG Mikellides, D Pedrini, DM Goebel… - Reviews of Modern …, 2019 - Springer
Electric thrusters are finding increasing usage worldwide in spacecraft applications.
Significant progress has been made in recent years in the modeling and performance of …

Review on the current state of iodine compatible neutralizers

PS Becke, NG Kottke, M Vaupel, N Kutufa… - Journal of Electric …, 2024 - Springer
The rising deployment numbers of electric propulsion systems and the increased price of
noble gas propellants have created the demand for alternative propellants. Iodine is a very …

Performance comparison between standard and magnetically shielded 200 W Hall thrusters with BN-SiO2 and graphite channel walls

L Grimaud, S Mazouffre - Vacuum, 2018 - Elsevier
Magnetic shielding is a specific magnetic topology that can increase the lifespan of Hall
thrusters by an order of magnitude. Magnetically shielded thrusters have similar …

Investigation of anode diameter and keeper geometry influence on open-end emitter heaterless hollow cathode discharge

JH Hsieh, YL Huang, PH Huang, YH Li - Vacuum, 2024 - Elsevier
This study explores the impact of anode diameter, keeper-to-cathode distance, orifice
diameter, and keeper thickness on the discharge characteristics of the open-end emitter …

Anode geometry influence on LaB6 cathode discharge characteristics

GC Potrivitu, S Mazouffre, L Grimaud, R Joussot - Physics of Plasmas, 2019 - pubs.aip.org
The characterization of an electric propulsion device cathode is performed in the so-called
diode configuration with an external anode. The anode acts as a physical boundary for the …

Characteristics and performances of a 100-W Hall thruster for microspacecraft

S Mazouffre, L Grimaud - IEEE Transactions on Plasma …, 2018 - ieeexplore.ieee.org
In this paper, we examine the characteristics of the ISCT100 thruster, a miniature xenon-
fueled 100-W permanent magnet Hall thruster (HT) suited for microspacecraft propulsion …

[HTML][HTML] Endurance operation of a heaterless C12A7 electride plasma cathode and post operation material analysis

C Drobny, K Wätzig, A Rost, M Tajmar - Acta Astronautica, 2024 - Elsevier
A heaterless plasma cathode using disc shaped C12A7 electride as emitter material is being
developed for electric propulsion systems in space. C12A7 electride is a calcium-aluminate …

Anode position influence on discharge modes of a LaB6 cathode in diode configuration

GC Potrivitu, R Joussot, S Mazouffre - Vacuum, 2018 - Elsevier
A laboratory model of a 5 A-class cathode was experimentally studied in diode configuration
with a disk anode. The core of the cathode is a flat disk lanthanum hexaboride (LaB 6) insert …

Phenomenological plasma model for open-end emitter with orificed keeper hollow cathodes

GC Potrivitu, S Xu - Acta Astronautica, 2022 - Elsevier
Hollow cathodes are used as thermionic emitters in a variety of electric propulsion devices
such as the Hall thruster. This work studies the derivation and discusses the results of a …

Discharge mode transition in a Krypton-fed 1 A-class LaB6 cathode for low-power Hall thrusters for small satellites

GC Potrivitu, L Xu, S Huang, M Rohaizat… - Journal of Applied …, 2020 - pubs.aip.org
Thermionic cathodes are essential for the operation of various electrostatic propulsion
devices. They strongly influence the performance and lifetime of the propulsion system. In …