公开(公告)号：US20240006601A1

公开(公告)日：2024-01-04

申请号：US18036828

申请日：2021-11-05

Applicant: BASF SE ,  THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

Inventor： Tobias Maximilian Teufl ,  Jordan K Lampert ,  Heino Sommer ,  William C. Chueh ,  William E. Gent

IPC: H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  C01G53/00

CPC classification number: H01M4/505 ,  H01M4/525 ,  H01M4/131 ,  C01G53/56 ,  H01M2004/028

Abstract: Process for making a composite oxide according to the formula x·Li2Ni1-y1-y2Mny1M1y2O3·(1−x)·LiNi1-zM2zO2 wherein x is in the range of from 0.01 to 0.5, z is in the range of from zero to 0.5,



M1 is selected from Ti, Zr, Sn, Ge, Ta, Nb, Sb, W, and Mo, and combinations of at least two of the foregoing,
M2 is at least one of Co, Al, Mg, Fe, or Mn, or a combination of at least two of the foregoing,






0.1≤y1≤0.75, zero≤y2≤0.05,

said process comprising the following steps:



(a) providing a particulate hydroxide, oxide or oxyhydroxide of TM where TM has the general formula x·Ni1-y1-y2Mny1M1y·(1−x)Ni1-zM2z, or the respective species without M1 and/or M2,
(b) adding a source of lithium,
(c) treating the mixture obtained from step (b) thermally under an atmosphere comprising oxygen in two steps:

(c) heating the mixture obtained from step (b) to 680 to 800° C. in an atmosphere containing in the range of from 10 to 100 vol-% oxygen, and,
(e) heating the intermediate from step (c) to 450 to 580° C. in an atmosphere containing at least 90 vol-% oxygen.

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.

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.