中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

10 records (took 0.027 seconds)

    MANUFACTURE OF ELECTRODE ACTIVE MATERIALS, AND ELECTRODE ACTIVE MATERIALS
    2.
    发明申请
    MANUFACTURE OF ELECTRODE ACTIVE MATERIALS, AND ELECTRODE ACTIVE MATERIALS 审中-公开

    公开(公告)号：WO2023061826A1

    公开(公告)日：2023-04-20

    申请号：PCT/EP2022/077697

    申请日：2022-10-05

    Applicant: BASF SE

    Inventor： KURZHALS, Philipp ,  SOMMER, Heino ,  RIEWALD, Felix Florian

    IPC: C01G53/00

    Abstract: Process for making an electrode active material wherein said process comprises the following steps: (a) Providing an (oxy)hydroxide of TM wherein TM is transition metal and includes nickel and, optionally, at least one of cobalt and manganese, wherein the nickel content is at least 80 mol-% referring to TM, (b) mixing said (oxy)hydroxide of TM with 75 to 85 mol-% of a lithium source, referring to TM, and at least one compound of Mg or Al, (c) treating the resultant mixture at a temperature at a temperature in the range of from 400 to 700°C, thereby obtaining a powder, (d) mixing the powder from step (c) with a source of lithium and with at least one compound of Mg or Al and with at least one compound of Nb, Ta, W, Ti or Zr, (e) treating the mixture obtained from step (d) thermally at a temperature in the range of from 550 to 800°C.

    MULTI-STEP PROCESS FOR MAKING CATHODE ACTIVE MATERIALS, AND CATHODE ACTIVE MATERIALS
    3.
    发明申请
    MULTI-STEP PROCESS FOR MAKING CATHODE ACTIVE MATERIALS, AND CATHODE ACTIVE MATERIALS 审中-公开

    公开(公告)号：WO2022106268A1

    公开(公告)日：2022-05-27

    申请号：PCT/EP2021/081174

    申请日：2021-11-10

    Applicant: BASF SE

    Inventor： SOMMER, Heino ,  RIEWALD, Felix Florian ,  KURZHALS, Philipp

    IPC: C01G53/00 ,  H01M4/525 ,  H01M4/04 ,  H01M4/38 ,  H01M4/62 ,  H01M10/052 ,  H01M4/02

    Abstract: The present invention is related to a 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 at least one oxyhydroxide of TM or a combination of at least two of the foregoing wherein TM is one or more metals and contains at least 97 mol-% Ni and, optionally, in total up to 3 mol-% of at least one metal selected from Al, Ti, Zr, V, Co, Zn, Ba, and Mn; (b) mixing said hydroxide TM(OH)2 or oxide TMO or oxyhydroxide of TM or combination with a source of lithium and a source of Mg wherein the molar amount of (Li + Mg) cor-responds to 75 to 95 mol-% of TM; (c) treating the mixture obtained from step (b) thermally at a temperature in the range of from 450 to 650°C, thereby obtaining an intermediate; (d) mixing the intermediate from step (c) with a source of Li and with at least one compound of a metal M1 selected from Al, Zr, Co, Mn, Nb, Ta, Mo, and W; (e) treating the mixture obtained from step (d) thermally at a temperature in the range of from 500 to 850°C.

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL, AND ELECTRODE ACTIVE MATERIAL
    6.
    发明公开
    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL, AND ELECTRODE ACTIVE MATERIAL 审中-公开

    公开(公告)号：EP4074660A1

    公开(公告)日：2022-10-19

    申请号：EP21168417.0

    申请日：2021-04-14

    Applicant: BASF SE

    Inventor： TER MAAT, Johan ,  KURZHALS, Philipp ,  RIEWALD, Felix Florian ,  SOMMER, Heino

    IPC: C01G53/04 ,  H01M4/00

    Abstract: Process for making an electrode active material wherein said process comprises the following steps:
    (a) Providing an (oxy)hydroxide of TM wherein TM is one or more metals wherein at least 90 mol% is Ni, referring to TM,
    (b) Contacting said (oxy)hydroxide of TM with an aqueous slurry or colloidal solution of an oxyhydroxide of Zr or Ti, followed by removal of water,
    (c) heating said treated (oxy)hydroxide of TM from step (b) at a temperature in the range of from 700 to 1000°C, thereby obtaining a Zr or Ti containing oxide TMO or an oxyhydroxide of TM with a residual moisture content of at most 100 ppm,
    (d) mixing said oxide or oxyhydroxide from step (c) with a source of lithium and with at least one compound of Mg or Al and with at least one compound of Nb, Ta, W, or with either a compound of Ti or Zr,
    (e) treating the mixture obtained from step (d) thermally at a temperature in the range of from 550 to 850°C.

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL
    7.
    发明公开
    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL 审中-公开

    公开(公告)号：EP4011834A1

    公开(公告)日：2022-06-15

    申请号：EP20212953.2

    申请日：2020-12-10

    Applicant: BASF SE

    Inventor： HARTMANN, Pascal ,  SOMMER, Heino ,  TOMOTA, Yohko ,  LEE, Robert Matthew ,  SÜLING, Carsten ,  MICHEL, Kathrin ,  RIEWALD, Felix Florian

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

    Abstract: Process for making an electrode active material comprising the steps of:
    (a) providing a target specification containing at least three electrode active material properties selected from elemental composition, primary particle size, crystallite size, average secondary particle diameter (D50), particle diameter distribution, residual lithium content, specific surface (BET), shape of secondary particles, lattice parameters, press density, electrochemical performance, tap density,
    (b) providing process parameters selected from calcination temperature, calcination duration, saggar loading, gas composition and gas flow, and composition of mixture to be subjected to calcination,
    (c) providing a model of relationship between electrode active material properties in accordance with (a) and process parameters according to (b),
    (d) manufacturing an electrode active according to a process with parameters according to step (b) in a manufacturing unit,
    (e) obtaining electrode active material sample(s) generated from manufacturing process (d)
    (f) performing measurements on said sample(s) to determine the properties as specified in (a),
    (g) providing results from step (f) to a processing device,
    (h) determining the difference between target specification in accordance with (a) and sample measurements according to (f),
    (i) refining the model from step (c),
    (j) deriving new process parameters from the refined model from step (i), and
    (k) providing an electronic signal based on new process parameters of step (j) to a production control function in the manufacturing unit.

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL, AND ELECTRODE ACTIVE MATERIAL
    10.
    发明公开
    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL, AND ELECTRODE ACTIVE MATERIAL 审中-公开

    公开(公告)号：EP4056535A1

    公开(公告)日：2022-09-14

    申请号：EP21162385.5

    申请日：2021-03-12

    Applicant: BASF SE

    Inventor： RIEWALD, Felix Florian ,  KURZHALS, Philipp ,  STREMPEL, Verena ,  SOMMER, Heino

    IPC: C01G53/00 ,  H01M4/131

    Abstract: Process for making a partially coated electrode active material wherein said process comprises the following steps:
    (a) formula Li 1+x TM 1-x O 2 , wherein TM contains at least 90 mol-% Ni, and x is in the range of from - 0.05 to 0.05,
    (b) treating said electrode active material with an alkoxide or amide of zirconium,
    (c) treating the material obtained in step (b) with moisture,
    (d) repeating the sequence of steps (b) and (c) four to twelve times,
    (e) performing a post-treatment by heating the material obtained after the last step (d) at a temperature from 250 to 750°C.

Patent Agency Ranking