- 专利标题: METHOD FOR MANUFACTURE OF TRANSITION METAL OXIDE FINE PARTICLES
-
申请号: US17050270申请日: 2019-05-10
-
公开(公告)号: US20210229179A1公开(公告)日: 2021-07-29
- 发明人: Sanghyun HONG , Jihyun KIM , Seojin LEE , Sangeun SHIM , Jiyoung JUNG , Sosan HWANG , Yooseok KWON
- 申请人: LG Electronics Inc.
- 申请人地址: KR Seoul
- 专利权人: LG Electronics Inc.
- 当前专利权人: LG Electronics Inc.
- 当前专利权人地址: KR Seoul
- 优先权: KR10-2018-0054444 20180511,KR10-2019-0055021 20190510
- 国际申请: PCT/KR2019/005674 WO 20190510
- 主分类号: B22F9/24
- IPC分类号: B22F9/24 ; B22F1/00
摘要:
The present invention provides a method for the manufacture of transition metal oxide fine particles, the method comprising the steps of: heating a strong-alkaline aqueous solution while stirring same; adding to and dissolving in the heated strong-alkaline aqueous solution a transition metal oxide; adding a strong-acid aqueous solution to the strong alkaline aqueous solution in which the transition metal oxide is dissolved, while stirring same, thereby re-dissolving a solid generated at the interface between the strong-alkaline aqueous solution and the strong-acid aqueous solution; adjusting the pH of the mixed aqueous solution resulting from mixing the strong-alkaline aqueous solution and the strong acid aqueous solution, through adjustment of the adding rate and amount of the strong-acid aqueous solution, to precipitate transition metal oxide fine particles; and separating the transition metal oxide fine particles from the mixed aqueous solution and sequentially washing, drying, and thermally treating the separated transition metal oxide fine particles.
公开/授权文献
信息查询