公开(公告)号：US11926914B1

公开(公告)日：2024-03-12

申请号：US18238877

申请日：2023-08-28

Applicant: Ganzhou Chenguang Rare Earths New Material Co., Ltd

Inventor： Shaohua Yang ,  Zhenhong Cui ,  Hui Li ,  Senlin Ouyang ,  Yao Xie ,  Fangsong He ,  Guangdong Wu ,  Kangwei Xie

IPC: C25C7/02 ,  C25C1/22

CPC classification number: C25C7/02 ,  C25C1/22

Abstract: Provided is a tungsten electrode for molten salt electrolysis for rare earth metals preparation, including 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; and a bottom of the copper alloy body is in contact with an inner bottom of the open tungsten shell.

公开(公告)号：US11731102B1

公开(公告)日：2023-08-22

申请号：US17955289

申请日：2022-09-28

Applicant: Ganzhou Chenguang Rare Earths New Material Co., Ltd.

Inventor： Shaohua Yang ,  Hui Li ,  Ping Huang ,  Fangsong He ,  Yao Xie ,  Guangdong Wu ,  Kangwei Xie ,  Guowen Huang ,  Senlin Ouyang

IPC: B01J20/06 ,  B01J20/02 ,  B01J20/04 ,  C22B9/02 ,  B01J20/30

CPC classification number: B01J20/06 ,  B01J20/0207 ,  B01J20/0218 ,  B01J20/041 ,  B01J20/043 ,  B01J20/3007 ,  B01J20/3042 ,  B01J20/3078 ,  C22B9/023

Abstract: The present disclosure provides a purification material for a rare earth metal or rare earth alloy and a preparation method thereof and a purification method for a rare earth metal or rare earth alloy. The purification material includes the following raw materials in mass percentage: 30% to 45% of a tungsten powder, 30% to 50% of a rare earth oxide, 5% to 10% of zirconia, 10% to 15% of a binder, and 1% to 5% of a rare earth hydride.