公开(公告)号：US20240279077A1

公开(公告)日：2024-08-22

申请号：US18565365

申请日：2022-06-15

Applicant: BASF SE

Inventor： Robert Matthew LEE ,  Felix Florian RIEWALD ,  Philipp KURZHALS ,  Heino SOMMER

IPC: C01G53/00 ,  H01M4/02 ,  H01M4/131 ,  H01M4/62

CPC classification number: C01G53/50 ,  H01M4/131 ,  H01M4/625 ,  H01M2004/028

Abstract: Disclosed herein is a particulate material of the composition LiaMgb)i+x(NicM1dM2e)1−xO2 where M1 is selected from Ti, Zr, Nb, Mo, and W, and combinations of at least two thereof; M2 is selected from Al, Co, Mn, and combinations of at least two thereof; a:b is in the range of from 100:1 to 400:1, and a+b=1; c:d is in the range of from 40:1 to 250:1, and c:e is in the range of from 12:1 to 50:1; and c+d+e=1; the total molar ratio of (Li+Mg) to (Ni+M1+M2) is in the range of from 1:1 to 1.05:1; and 0.00≤x≤0.05, where the particulate material has an average particle diameter (D50) in the range of from 2 to 20 μm.

公开(公告)号：US20220098053A1

公开(公告)日：2022-03-31

申请号：US17310023

申请日：2020-01-06

Applicant: BASF SE

Inventor： Christoph ERK ,  Pascal HARTMANN ,  Robert Matthew LEE ,  James A. SIOSS

IPC: C01G53/00 ,  H01M4/525 ,  H01M4/04 ,  H01M4/505

Abstract: Process for making an electrode active material according to general formula Li1+xTM1−xO2, wherein TM is a combination of Ni and Co and Zr and at least one metal selected from Mn and Al, and, optionally, at least one of Mg, Ti, and W, wherein GC at least 60 mole-% is Ni, referring to the sum of Ni, Co and, if applicable, Mn and Al, and x is in the range of from zero to 0.2, said process comprising the following steps: (a) mixing (A) a mixed oxide or oxyhydroxide of Ni, Co and, if applicable, Mn, (B) at least one lithium compound selected from lithium hydroxide, lithium oxide and lithium carbonate, and (C) at least one oxide or hydroxide or oxyhydroxide of Zr with an average diameter D50 in the range of from 1 to 7 μm, and in compounds (C) that are selected from oxides of Zr, their crystallite size is in the range of from 5 to 20 nm and (b) Subjecting said mixture to heat treatment at a temperature in the range of from 700 to 1000° C.