公开(公告)号：US20230420652A1

公开(公告)日：2023-12-28

申请号：US18253475

申请日：2021-11-29

Applicant: BASF SE

Inventor： Benjamin Johannes Herbert BERGNER ,  Pascal HARTMANN

IPC: H01M4/36 ,  C01G53/00 ,  H01M4/525 ,  H01M4/505 ,  H01M4/62 ,  H01M4/48

CPC classification number: H01M4/364 ,  C01G53/44 ,  H01M4/525 ,  H01M4/505 ,  H01M4/625 ,  H01M4/48 ,  C01P2006/40 ,  C01P2004/04 ,  C01P2002/85 ,  H01M2004/028

Abstract: Disclosed herein is a process for making an electrode active material, where said process includes the following steps:



(a) providing an (oxy)hydroxide or oxide of TM, where TM is a combination of metals, and where TM contains Ni and at least one of Mn and Co;
(b) treating said oxide or (oxy)hydroxide from step (a) with a non-aqueous or aqueous solution of a compound of M2, where M2 is selected from the group consisting of Ti, Zr, Nb, and Ta;
(c) removing the solvent(s), thereby obtaining a solid residue;
(d) mixing the solid residue from step (c) with a source of lithium and, optionally, at least one compound of Ti or Al or Zr; and
(e) treating the mixture obtained from step (d) thermally at a temperature in the range of from 550 to 900° C.

公开(公告)号：US20230223529A1

公开(公告)日：2023-07-13

申请号：US17999218

申请日：2021-06-07

Applicant: BASF SE

Inventor： Yohko TOMOTA ,  Christoph ERK ,  Pascal HARTMANN

IPC: H01M4/525 ,  H01M4/04 ,  H01M4/36 ,  H01M4/505 ,  H01M4/62 ,  H01M4/583 ,  H01M10/0562

CPC classification number: H01M4/525 ,  H01M4/043 ,  H01M4/364 ,  H01M4/505 ,  H01M4/622 ,  H01M4/583 ,  H01M10/0562 ,  H01M2004/027

Abstract: The present invention is directed towards a process for making an electrode wherein the process comprises the following steps (a) providing a particulate lithiated transition metal oxide according to the formula Li1+xTM1-xO2 wherein x is in the range of from zero to 0.1 and TM contains nickel and at least one of Co, Mn and Al, (b) mixing the lithiated transition metal oxide from step (a) with carbon in electrically conductive form, (c) exposing the mixture obtained in step (b) to a pressure in the range of from 100 to 500 MPa over a period of time of from one second to one minute, thereby causing cracks in at least some of the particles of the electrode active material, (d) mixing the mixture from step (c) with a binder polymer and, optionally, with further carbon in electrically conductive form and with a solvent, (e) applying the mixture from step (d) to a metal foil.

公开(公告)号：US20230002242A1

公开(公告)日：2023-01-05

申请号：US17758742

申请日：2021-02-18

Applicant: BASF SE ,  KARLSRUHER INSTITUT FUR TECHNOLOGIE

Inventor： Matteo BIANCHINI ,  Pascal HARTMANN ,  Torsten BREZESINSKI ,  David KITSCHE ,  Jurgen JANEK

IPC: C01G53/00

Abstract: Process for making an electrode active material wherein said process comprises the following steps: (a) Providing a hydroxide TM(OH)2 or at least one oxide TMO or oxyhydroxide of TM or combination of at least two of the foregoing wherein TM contains at least 99 mol-% Ni and, optionally, in total up to 1 mol-% of at least one metal selected from Ti, Zr, V, Co, Zn, Ba, or Mg, (b) mixing said hydroxide TM(OH)2 or oxide TMO or oxyhydroxide of TM or combination with a source of lithium and an aqueous solution of a compound of Me wherein Me is selected from Al or Ga or a combination of the foregoing and wherein the molar amount of TM corresponds to the sum of Li and Me, (c) removing the water by evaporation, (d) treating the solid residue obtained from step (c) thermally at a temperature in the range of from 500 to 800° C. in the presence of oxygen.

公开(公告)号：US20200303735A1

公开(公告)日：2020-09-24

申请号：US16652188

申请日：2018-09-18

Applicant: BASF SE ,  Karlsruher Institut fuer Technologie

Inventor： Pascal HARTMANN ,  Thomas Michael RYLL ,  Christopher ERK ,  Lea DE BIASI

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/62

Abstract: The present invention is related to an electrode active material for a lithium-ion battery of general formula (I): Li1+x(NiaCobMncMd)1−xO2 wherein x is in the range of from zero to 0.1, a is in the range of from 0.1 to 0.5, b is in the range of from 0.4 to 0.9, c is in the range of from zero to 0.3, d is in the range of from zero to 0.1, M is selected from Al, B, Mg, W, Mo, Ti, Si and Zr, with a+b+c+d=1 and a>c. In addition, the present invention is related to a method of manufacture of electrode active materials and to their use.

公开(公告)号：US20240282961A1

公开(公告)日：2024-08-22

申请号：US18564734

申请日：2022-06-14

Applicant: BASF SE ,  Karlsruher Institut Für Technologie

Inventor： Matteo BIANCHINI ,  Pascal HARTMANN ,  Torsten BREZESINSKI ,  Katja Ramona KRETSCHMER ,  Soeren Lukas DREYER

IPC: H01M4/58 ,  C01G53/00 ,  H01M4/02 ,  H01M4/131 ,  H01M4/36 ,  H01M4/505

CPC classification number: H01M4/5825 ,  C01G53/50 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  C01P2002/52 ,  C01P2004/80 ,  C01P2006/40 ,  H01M2004/028

Abstract: Disclosed herein is a process for making a coated cathode active material, where the process includes the following steps:



(a) providing an electrode active material according to general formula Li1+xTM1−xO2, where TM is a combination of metals according to general formula (I), and x is in the range of from zero to 0.2, with a moisture content in the range of from 500 to 1,500 ppm,










(b) reacting the electrode active material with a silicon alkoxide and an alkyl aluminum compound in one or more sub-steps, and
(c) heat-treating the material so obtained in an oxygen-containing atmosphere at a temperature in the range of from 100 to 400° C. for 10 minutes to 4 hours.

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.

公开(公告)号：US20230219827A1

公开(公告)日：2023-07-13

申请号：US17996955

申请日：2021-04-28

Applicant: BASF SE ,  KARLSRUHER INSTITUT FUR TECHNOLOGIE

Inventor： Matteo BIANCHINI ,  Pascal HARTMANN ,  Torsten BREZESINSKI ,  Simon SCHWEIDLER

IPC: C01G53/00 ,  H01M10/0525

CPC classification number: C01G53/50 ,  H01M10/0525 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40

Abstract: Process for making a particulate lithiated transition metal oxide comprising the steps of: (a) Providing a particulate transition metal precursor comprising Ni, (b) mixing said precursor with at least one compound of lithium and at least one processing additive selected from NaCl, KCl, CuCl2, B2O3, MoO3, Bi2O3, Na2SO4, and K2SO4 in an amount of from 0.1 to 5% by weight, referring to the entire mixture obtained in step (b), (c) thermally treating the mixture obtained according to step (b) in at least two steps, (c1) at 300 to 500° C. under an atmosphere that may comprise oxygen, (c2) at 650 to 850° C. under an atmosphere of oxygen.

公开(公告)号：US20230130367A1

公开(公告)日：2023-04-27

申请号：US17906270

申请日：2021-04-01

Applicant: BASF SE ,  KALSRUCHER INSTITUT FUR TECHNOLOGIE

Inventor： Matteo BIANCHINI ,  Pascal HARTMANN ,  Torsten BREZESINSKI

IPC: H01M4/525 ,  C01G53/00

Abstract: Process for making a lithiated oxide, said process comprising the following steps: (a) making a particulate hydroxide, oxide or oxyhydroxide of nickel, and, optionally, at least one of Co and Mn and, by combining an aqueous solution of sodium or potassium hydrox-ide with an aqueous solution containing a water-soluble salt of nickel and, optionally, a water-soluble salt of Co, Mn, Al, Ti, Zr, W, Mo, Ga, Nb, Ta, or Mg, (b) adding a source of lithium, (c) treating the mixture obtained from step (b) thermally at at least two different temperatures: (c1) at 300 to 500° C. under an atmosphere that may comprise oxygen, (c2) at 500 to 600° C. under an atmosphere of oxygen, wherein the temperature in step (c2) is set to be higher than in step (c1).

公开(公告)号：US20220212950A1

公开(公告)日：2022-07-07

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: C01G53/00 ,  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.