Results 51 to 60 of about 261,059 (201)

Thermionic orificed hollow cathode database

, 2020
First release of the cathode ...
Pierre-Yves Taunay
core   +1 more source

Progress in Experimental Study of Plume Plasma Discharge Characteristics of the Hollow Cathode

气体物理
With the continuous maturation and sustained application of electric propulsion technology, electric propulsion is becoming the preferred choice of space propulsion for deep space exploration missions with its high specific impulse advantage. Among them,
Jintao JIA, Long MIAO, Yugan LIAO
doaj   +1 more source

Hollow Structured LiFePO4 /C Microspheres in situ Prepared by a One-Pot Template-Free Method as Cathode for Lithium-Ion Batteries

International Journal of Electrochemical Science, 2018
The effective control of the nanostructure is recognized as an effective method for improving the electrochemical performance of the LiFePO4 cathode; nevertheless, it is still a great challenge to simultaneously achieve high tap density and excellent ...
Yuan Jin, Haiyan Wang, Xincun Tang
doaj   +1 more source

Fast deposition of diamond-like carbon films by radio frequency hollow cathode method

, 2013
Diamond-like carbon (DLC) thin films were deposited on p-type Si (100) substrates by RF hollow cathode method under different RF power and pressure, using ethane as the precursor gas.
Yang HS, Yang, HS (reprint author), Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R China., Gao KW, Volinsky AA, Pang XL, Peng HL, Wu XL(武晓雷)   +6 more
core   +1 more source

Multi-shelled LiMn2O4 hollow microspheres as superior cathode materials for lithium-ion batteries

, 2016
Owing to its environmental-benignity, low-cost and abundance, spinel LiMn2O4 has long been considered as a promising cathode material for lithium-ion batteries (LIBs). However, the low electronic conductivity, small lithium diffusion coefficient and poor
Ren, Hao, Wang, Dan, Wang, Jiangyan, Tang, Hongjie, Yu, Ranbo, Wang, Feng   +5 more
core   +1 more source

Numerical simulation of the insert chemistry of the hollow cathode from the deep space 1 ion engine 30,000 Hrs life test

, 2007
A model for the insert chemistry developed by the authors and based on the knowledge of the BaO – CaO – Al2O3 ternary system the ELT discharge cathode insert from the Deep Space 1 life test has been simulated. The computed data show a good agreement with
Gabriel, Stephen, Grubisic, Angelo, Coletti, Michele   +2 more
core   +1 more source

Spray-Drying Synthesis of LiFeBO3/C Hollow Spheres With Improved Electrochemical and Storage Performances for Li-Ion Batteries

Frontiers in Chemistry, 2019
LiFeBO3/C cathode material with hollow sphere architecture is successfully synthesized by a spray-drying method. SEM and TEM results demonstrate that the micro-sized LiFeBO3/C hollow spheres consist of LiFeBO3@C particles and the average size of LiFeBO3 ...
Yulei Sui, Wei Chen, Shibao Tang, Ling Wu, Binjue Wang, Huacheng Li, Wei Li, Shengkui Zhong   +7 more
doaj   +1 more source

Dependence of pre-breakdown time on ionization processes in a pseudospark discharge

AIP Advances, 2017
The formation and development of pseudospark discharge, especially the onset of the breakdown, are of great technological interests in multiple applications due to their influences on the limits of current rising and fast switching ...
Xiaotong Cao, Jing Hu, Ruixue Zhang, Weijie Huo, Yulei Fu, Wansheng Zhao   +5 more
doaj   +1 more source

European Student Moon Orbiter solar electric propulsion subsystem architecture: an all–electric spacecraft

, 2007
This paper presents the Phase A study of the Solar Electric Propulsion subsystem selected for the ESA European Student Moon Orbiter enhanced microsatellite, performed at QinetiQ under ESA funding.
Wallace, Neil, Grubisic, Angelo, Coletti, Michele, Wells, Nigel   +3 more
core   +1 more source

S@NiS Hollow Spheres as Cathode Materials for LithiumSulfur Batteries

International Journal of Electrochemical Science, 2019
Severe capacity fading substantially hinders the employment of lithium-sulfur batteries in the electric vehicles. This is primarily due to the shuttle effect of the polysulfide in the electrolyte. Therefore, the most efficient method to improve the cycle
Bing Che, Dong Wang, Xiaochun Xu
doaj   +1 more source