公开(公告)号：US10707486B2

公开(公告)日：2020-07-07

申请号：US15751308

申请日：2016-08-10

Applicant: BASF SE

Inventor： Simon Schroedle ,  Thomas Michael Ryll ,  Aleksei Volkov ,  Ji-Yong Shin ,  Jordan K. Lampert

IPC: H01M4/52 ,  H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/131 ,  C01G53/04 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/42 ,  H01M10/052 ,  H01M4/02

Abstract: The present invention is directed towards a process for making a particulate material according to the general formula (I): NiaCObMncMd(O)x(OH)y, wherein M is selected from Al and Ti, x is in the range of from 0.01 to 0.9, y is in the range of from 1.1 to 1.99, a is in the range of from 0.3 to 0.85, b is in the range of from 0.05 to 0.4, c is in the range of from 0.1 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) providing an aqueous slurry of particles of aluminum hydroxide or titanium dioxide, (b) adding an aqueous solution of water-soluble salts of nickel, cobalt and manganese and a solution of alkali metal hydroxide to the slurry according to step (a), thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese hydroxide on the particles according to step (a), (c) removing particles of (NiaCObMncAld)(OH)2+d or (NiaCObMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen.

公开(公告)号：US12155071B2

公开(公告)日：2024-11-26

申请号：US17635347

申请日：2020-08-20

Applicant: BASF SE

Inventor： Young Jin Kim ,  James A. Sioss ,  Tobias Maximilian Teufl ,  Jordan K. Lampert

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/02 ,  H01M4/505 ,  H01M4/62 ,  H01M10/0525

Abstract: Particulate material of the composition Li1+xTM1−xO2 wherein x is in the range of from 0.1 to 0.25 and TM is a combination of elements according to general formula (I) (NiaCobMnc)1−dM1d(I) wherein a is in the range of from 0.30 to 0.38, b being in the range of from zero to 0.05, c being in the range of from 0.60 to 0.70, and d being in the range of from zero to 0.05, M1 is selected from Al, Ti, Zr, Mo, Mg, B, and combinations of at least two of the foregoing, a+b+c=1, wherein said particulate material has an average particle diameter D50 in the range of from 2 to 20 μm and wherein said particulate material has a pressed density in the range of from 2.75 to 3.1 g/cm3.