公开(公告)号：US12283691B2

公开(公告)日：2025-04-22

申请号：US17758728

申请日：2021-01-28

Applicant: BASF SE

Inventor： Tobias Maximilian Teufl ,  Benjamin Johannes Herbert Bergner

IPC: H01M4/525 ,  C01G53/00 ,  C01G53/50 ,  H01M4/02 ,  H01M4/505

Abstract: Cathode active material in particulate form with a mean particle diameter in the range from 2 to 16 μm (D50), wherein the cathode active material has the composition L1+xTM1−xO2 wherein x is in the range of from 0.1 to 0.2 and TM is a combination of elements according to general formula (I), (NiaCobMnc)1−d−eM1dM2e where the variables are each defined as follows: a is in the range from 0.20 to 0.40, b is in the range of from zero to 0.15, c is in the range of from 0.50 to 0.75, d is in the range of from zero to 0.015, and e is in the range of from zero to 0.02, M1 is selected from Al, Ti, Zr, Mo, W, Fe, Nb, and Mg, M2 is selected from B and K, with a+b+c=1.0 wherein said composite oxide has a specific surface (BET) in the range from 0.5 m2/g to 10 m2/g and a pressed density of at least 2.9 g/cm3, and wherein said cathode active material has an average primary particle diameter in the range of from 200 to 3,000 nm.

公开(公告)号：US12286361B2

公开(公告)日：2025-04-29

申请号：US17595329

申请日：2020-06-17

Applicant: BASF SE

Inventor： Benjamin Johannes Herbert Bergner ,  Heino Sommer ,  Pascal Hartmann ,  Tobias Maximilian Teufl

IPC: C01G53/42 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0525

Abstract: Particulate material of the composition Li1+xTM1−xO2 wherein x is in the range of from −0.02 to +0.05, TM comprises at least 93 mol-% nickel and (A) at least one element M1 wherein M1 is selected from Nb, Ta, Ti, Zr, W and Mo, (B) at least one element M2 wherein M2 is selected from B, Al, Mg and Ga, wherein said particulate material has an average particle diameter (D50) in the range of from 2 to 20 μm.