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公开(公告)号：US20170355614A1
公开(公告)日：2017-12-14
申请号：US15524898
申请日：2015-10-30
Applicant: BASF SE
Inventor： Christoph ERK , Thomas Michael RYLL , Jordan LAMPERT
IPC: C01G53/00 , H01M4/525 , H01M4/485 , H01M4/505 , H01M10/0525
CPC classification number: C01G53/006 , C01G53/44 , C01P2004/03 , C01P2004/61 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0525
Abstract: A process is described for producing mixed oxide in particulate form, comprising cations of lithium and cations of at least two transition metals selected from the group consisting of nickel, cobalt, manganese, titanium, vanadium, chromium and iron, as are mixed oxides produced by this process.
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公开(公告)号：US20170130045A1
公开(公告)日：2017-05-11
申请号：US15319909
申请日：2015-06-12
Applicant: BASF SE
Inventor： Ulrich KARL , Christoph ERK , Michael DORNBUSCH , Hidehiko MIZUNO
IPC: C08L27/16 , C09D7/00 , C09D127/16 , H01M4/04 , C11D7/50 , H01M4/62 , H01M10/0525 , C09D9/00 , C08J3/09
CPC classification number: C08L27/16 , C08J3/095 , C08J3/096 , C08J2327/16 , C08L2201/56 , C09D7/20 , C09D9/005 , C09D127/16 , C11D7/5013 , C11D7/5022 , H01M4/0402 , H01M4/13 , H01M4/623 , H01M10/0525
Abstract: Solutions of polyvinylidene fluoride (PVDF) or copolymers of 1,1-difluoroethylene in a solvent which comprises N-formylmorpholine (NFM), N-acetylmorpholine (NAM) or mixtures thereof and additionally a cosolvent selected from alkylene carbonate, mono-, di- or polyalkylene glycol dialkyl ethers or mixtures thereof.
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公开(公告)号：US20230406723A1
公开(公告)日：2023-12-21
申请号：US18247275
申请日：2021-09-16
Applicant: BASF SE
Inventor： Zhenji HAN , Jumpei NAKAYAMA , Junji KASHIWAGI , Hitoshi FUKUMITSU , Frank RAUSCHER , Christoph ERK , Thomas LETZELTER
CPC classification number: C01G53/50 , H01M4/505 , H01M4/525 , C01P2002/54 , C01P2006/40 , H01M2004/028
Abstract: Described herein is a process for manufacture of a cathode active material including the steps of
(a) providing a particulate electrode active material according to general formula Li1+xTM1−xO2, where TM is Ni and, optionally, at least one element selected from the group consisting of Al, Mg, Ba, and transition metals other than Ni, and x is in a range of from −0.05 to 0.2, and where at least 50 mole-% of TM is Ni,
(b) adding an aqueous medium that includes LiOH in dissolved form to the particulate electrode active material provided in step (a),
(c) removing the liquid phase by a solid-liquid separation method, and
(d) at least partially recycling the liquid phase from step (c) for use in a treatment step.-
公开(公告)号：US20210376318A1
公开(公告)日：2021-12-02
申请号：US17254559
申请日：2019-06-17
Applicant: BASF SE
Inventor： Christoph ERK , Thomas LETZELTER , Markus HOELZLE , Carsten SUELING
Abstract: Process for modifying an electrode active material according to general formula Li1+xTM1−xO2, wherein TM contains a combination of Ni and at least one transition metal selected from Co and Mn, and, optionally, at least one metal selected from Al, Ba, and Mg and, optionally, one or more transition metals other than Ni, Co, and Mn, wherein at least 75 mole-% of TM is Ni, and x is in the range of from −0.05 to 0.2, said process comprising the steps of (a) treating said Li1+xTM1−xO2 with an aqueous medium with a pH value of at least 5 and up to 14, (b) removing said aqueous medium from treated Li1+xTM1−xO2 by way of a solid-liquid separation, wherein steps (a) and (b) are commenced with a maximum time difference of 3 minutes. In addition, the present invention is directed towards Ni-rich electrode active materials.
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公开(公告)号：US20200161652A1
公开(公告)日：2020-05-21
申请号：US16627884
申请日：2018-07-05
Applicant: BASF SE
Inventor： Christoph ERK , Thomas Michael RYLL , Aleksei VOLKOV , Brandon Ray LONG , Jacob HAAG
IPC: H01M4/525 , H01M4/505 , H01M10/052 , C01G53/00
Abstract: Process for making an electrode active material according to general formula Li1+χTM1−χO2, wherein TM is a combination of Mn, Co and Ni in combination with at least one more metal selected from Al, Ti, and W, wherein at least 60 mole-% of TM is Ni, the percentage referring to the sum of Ni, Co and Mn, 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 Mn, Co and Ni, (B) at least one lithium compound selected from lithium hydroxide, lithium oxide and lithium carbonate, and (C) an oxide, hydroxide or oxyhydroxide of Al, Ti or W, (b) Subjecting said mixture to heat treatment at a temperature in the range of from 700 to 1000° C.
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Patent Agency Ranking
公开(公告)号：US20240006580A1
公开(公告)日：2024-01-04
申请号：US18252633
申请日：2021-12-10
Applicant: BASF SE
Inventor： Heino SOMMER , Christoph ERK , Jacob HAAG , James A SIOSS , Daniela KOEHLER , Kathrin MICHEL , Lennart Karl Bernhard GARVE , Benjamin Johannes Herbert BERGNER
CPC classification number: H01M4/0471 , H01M4/505 , H01M4/525 , H01M4/621 , H01M4/625 , H01M2004/028
Abstract: Disclosed herein is a process for making an electrode active material, where said process includes the following steps:
(a) Providing a hydroxide TM(OH)2 or an oxyhydroxide of TM, where TM is one or more metals and contains Mn, optionally, Co, and from 85 to 95 mol % Ni, referring to the sum of Ni, Co and Mn;
(b) Drying said hydroxide TM(OH)2 or oxyhydroxide of TM at a temperature in the range of from 400 to 600° C., thereby obtaining an oxide or oxyhydroxide of TM with a residual moisture content of from 200 to 500 ppm;
(c) Mixing said oxide or oxyhydroxide from step (b) with a source of lithium, at least one compound of Mg or Al, and at least one compound of Ti or Zr; and
(d) Treating the mixture obtained from step (c) thermally at a temperature in the range of 550 to 875° C.-
公开(公告)号：US20230406724A1
公开(公告)日：2023-12-21
申请号：US18248461
申请日：2021-10-12
Applicant: BASF SE
Inventor： Ryosuke TAKEUCHI , Ji-Yong SHIN , Numata ERI , Ito SEITARO , Christoph ERK
IPC: C01G53/00 , H01M10/0525
CPC classification number: C01G53/50 , H01M10/0525 , C01P2006/40 , C01P2004/61
Abstract: Described herein is a process for making an electrode active material according to general formula Li1+(TM1-yM1y)1-xO2, where TM includes a combination of Ni and at least one of Co, Mn and Al, M1 is selected from the group consisting of Nb, Ta, and at least one of Co, Mn and Al, y is in a range of from 0.001 to less than 0.01, and x is in a range of from zero to 0.2, said process including the following steps:
(a) mixing
(A) a mixed oxide or (oxy)hydroxide of Mn, Co and Ni, and
(B) at least one lithium compound selected from the group consisting of lithium hydroxide, lithium oxide and lithium carbonate, and
(C) an amorphous compound of Nb or Ta, and
(b) subjecting said mixture to heat treatment,
where at least 60 mole-% of a transition metal of TM is Ni.-
公开(公告)号：US20230378428A1
公开(公告)日：2023-11-23
申请号：US18247067
申请日：2021-09-16
Applicant: BASF SE
Inventor： Christoph ERK , Heino SOMMER , Kathrin MICHEL , Frank RAUSCHER , Nils-Olof Joachim BORN , Wolfgang ROHDE , Carsten SUELING , Birgit GERKE
IPC: H01M4/04 , H01M4/525 , H01M4/62 , H01M10/0525
CPC classification number: H01M4/0471 , H01M4/525 , H01M4/625 , H01M4/622 , H01M10/0525 , H01M10/54
Abstract: Described herein is a process for the manufacture of a fluoride doped cathode active material, where said process includes the steps of
(a) providing a particulate oxide or (oxy)hydroxide of transition metals (TM), where TM includes nickel and at least one metal selected from cobalt and manganese, and where said particulate oxide or (oxy)hydroxide has an average particle diameter (D50) in a range of from 3 to 16 μm,
(b) providing a source of lithium that includes 0.01 to 2.5% by weight of fluoride uniformly dispersed within said source of lithium,
(c) mixing said oxide or (oxy)hydroxide of TM with said fluoride-including source of lithium and, optionally, with an additional source of lithium including less fluoride, and, optionally, with one or more dopants based on at least one metal other than lithium, and
(d) treating the mixture obtained from step (c) thermally.-
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
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.
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公开(公告)号：US20210399291A1
公开(公告)日：2021-12-23
申请号：US17309205
申请日：2019-11-11
Applicant: BASF SE
Inventor： Maraike AHLF , Torsten MAEURER , Christoph ERK , Jacob HAAG , Heino SOMMER
IPC: H01M4/36 , H01M4/525 , H01M10/0525 , H01M4/505
Abstract: Process for making a coated oxide material wherein said process comprises the following steps: (a) providing a particulate material selected from lithiated nickel-cobalt aluminum oxides, lithium cobalt oxide, lithiated cobalt-manganese oxides and lithiated layered nickel-cobalt-manganese oxides, (b) treating said particulate material with an aqueous medium, (c) removing said aqueous medium, (d) drying said treated particulate material, (e) treating said particulate material from step (d) with a metal amide or alkyl metal compound, (f) treating the material obtained in step (e) with moisture or an oxidizing agent, and, optionally, repeating the sequence of steps (e) and (f).
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