US 11,926,914 B1
Tungsten electrode for molten salt electrolysis for rare earth metals preparation, and preparation method thereof
Shaohua Yang, Ganzhou (CN); Zhenhong Cui, Ganzhou (CN); Hui Li, Ganzhou (CN); Senlin Ouyang, Ganzhou (CN); Yao Xie, Ganzhou (CN); Fangsong He, Ganzhou (CN); Guangdong Wu, Ganzhou (CN); and Kangwei Xie, Ganzhou (CN)
Assigned to Ganzhou Chenguang Rare Earths New Material Co., Ltd., Ganzhou (CN)
Filed by Ganzhou Chenguang Rare Earths New Material Co., Ltd, Ganzhou (CN)
Filed on Aug. 28, 2023, as Appl. No. 18/238,877.
Claims priority of application No. 2023102598589 (CN), filed on Mar. 17, 2023.
Int. Cl. C25C 7/02 (2006.01); C25C 1/22 (2006.01)
CPC C25C 7/02 (2013.01) [C25C 1/22 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A tungsten electrode for molten salt electrolysis for rare earth metals preparation, comprising an open tungsten shell and a copper alloy body; wherein
the copper alloy body is arranged inside the open tungsten shell;
a tungsten buffer layer is provided between a side wall of the copper alloy body and the open tungsten shell;
the tungsten buffer layer has a thickness of 3 mm to 8 mm;
the tungsten buffer layer has a density of 12 g/cm3 to 14 g/cm3; and
a bottom of the copper alloy body is in contact with an inner bottom of the open tungsten shell.