公开(公告)号：US20240166532A1

公开(公告)日：2024-05-23

申请号：US18550378

申请日：2022-03-21

Applicant: BASF SE

Inventor： Thorsten BEIERLING ,  Daniela KOEHLER ,  Benjamin Johannes Herbert BERGNER ,  Christoph ERK

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

CPC classification number: C01G53/44 ,  C01G53/006 ,  C01G53/66 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  C01P2002/60 ,  C01P2004/53 ,  C01P2006/12 ,  C01P2006/40

Abstract: Disclosed herein is a process for making a particulate oxyhydroxide or oxide of TM with a bimodal particles diameter distribution where TM represents metals, and where TM includes nickel and at least one metal is selected from the group consisting of cobalt and manganese.

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：US20220246900A1

公开(公告)日：2022-08-04

申请号：US17595860

申请日：2020-06-17

Applicant: BASF SE

Inventor： Heino SOMMER ,  Christoph ERK ,  Thomas SCHAUBA

IPC: H01M4/04 ,  H01M4/36 ,  H01M4/525

Abstract: Process for making an at least partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula Li1+xTM1−xO2, wherein TM is a combination of Ni and Co or Ni and Al and, optionally, Mn, and, optionally, at least one metal selected from Ga, Nb, Ta, Mg, Mo, B, Sn, V, W, Ti and Zr, and x is in the range of from zero to 0.2, (b) treating said electrode active material with at least one carbonyl compound of Co, and (c) treating the material obtained in step (b) with an oxidant.

公开(公告)号：US20220194814A1

公开(公告)日：2022-06-23

申请号：US17594006

申请日：2020-04-02

Applicant: BASF SE

Inventor： Thorsten BEIERLING ,  Simon SCHROEDLE ,  James SIOSS ,  Daniela PFISTER ,  KALO Benedikt ,  Christoph ERK ,  Brandon LONG ,  Christian RIEMANN ,  Christine AMMONS ,  Yohko TOMOTA ,  Phil Jack HOLZMEISTER

IPC: C01G53/00 ,  B01J19/18 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525

Abstract: Process for precipitating a mixed hydroxide of TM wherein TM comprises Ni and at least one of Co and Mn and, optionally, Al, Mg, Zr or Ti, from an aqueous solution of salts of such transition metals or of Al or of Mg, wherein such process is carried out in a stirred vessel and comprises the step of introducing an aqueous solution of alkali metal hydroxide and an aqueous solution of transition metal salts through at least two inlets into said stirred vessel wherein the distance of the locations of introduction of salts of TM and of alkali metal hydroxide is equal or less than 6 times the hydraulic diameter of the tip of the inlet pipe of the alkali metal hydroxide.

公开(公告)号：US20210328218A1

公开(公告)日：2021-10-21

申请号：US17250954

申请日：2019-09-20

Applicant: BASF SE

Inventor： Christoph ERK ,  Zhenji HAN ,  Junji KASHIWAGI ,  Suhao WEI ,  Takayuki YAMAMURA ,  Daisuke MORITA ,  Martin SCHULZ-DOBRICK

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

Abstract: Process for making a partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula Li1+1TM1−xO2, wherein TM comprises Ni and, optionally, at least one transition metal selected from Co and Mn, and, optionally, at least one element selected from Al, Mg, Ba and B, transition metals other than Ni, Co, and Mn, and x is in the range of from −0.05 to 0.2, wherein at least 50 mole-% of the transition metal of TM is Ni, (b) treating said electrode active material with an aqueous formulation containing an inorganic aluminum compound dispersed or slurried in water, (c) separating off the water, (d) thermal treatment of the material obtained from step (c).