Title:
LITHIUM COMPOSITE METAL OXIDE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/181465
Kind Code:
A1
Abstract:
This lithium composite metal oxide production method is for producing a lithium composite metal oxide containing at least nickel, and has: a first washing step for washing a lithium composite metal oxide with a first washing liquid; and a second washing step for washing the washed product obtained in the first washing step, with a second washing liquid, wherein the first washing liquid is an alkaline washing liquid containing an alkali metal-containing compound, the second washing liquid is an alkaline washing liquid containing an alkali metal-containing compound and/or an alkaline compound not containing an alkali metal, and the concentration of alkali metals in the first washing liquid with respect to the total mass of the first washing liquid is higher than the concentration of alkali metals in the second washing liquid with respect to the total mass of the second washing liquid.
Inventors:
SATO YUICHI (JP)
NAKAO KIMIYASU (JP)
MAEDA YUSUKE (JP)
NAKAO KIMIYASU (JP)
MAEDA YUSUKE (JP)
Application Number:
PCT/JP2018/012725
Publication Date:
October 04, 2018
Filing Date:
March 28, 2018
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
TANAKA CHEMICAL CORP (JP)
TANAKA CHEMICAL CORP (JP)
International Classes:
C01G53/00; H01M4/505; H01M4/525
Domestic Patent References:
| WO2016104488A1 | 2016-06-30 | |||
| WO2016060105A1 | 2016-04-21 |
Foreign References:
| JP2004273451A | 2004-09-30 | |||
| JP2015144131A | 2015-08-06 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Download PDF: