Han IP Corporation
Impregnated yttric or gadolinium-containing Barium-aluminum-scandate cathodes and their fabrication methods
Impregnated rare earth metal-containing barium-aluminum-scandate cathodes with a rare earth oxide doped tungsten matrix and methods for the fabrication thereof are described. In one aspect, an impregnated rare earth metal-containing barium-aluminum-scandate cathode comprises: a rare earth oxide doped tungsten matrix, and an impregnated active substance. The active substance comprises scandium oxide (Sc2O3), a second rare earth oxide, and barium calcium aluminate, wherein the molar ratio of Ba:Ca:Al is about 4:1:1.
BEIJING UNIVERSITY OF TECHNOLOGY
H H H H H H
H01J H01J H01J H01J H01J H01J
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Tieyong Hongyi Meiling Jinshu Wei Fan Xiang
Zuo Li Zhou Wang Liu Yang Liu