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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.
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公开(公告)号：US20230212028A1
公开(公告)日：2023-07-06
申请号：US17999057
申请日：2021-05-28
Applicant: BASF SE
Inventor： Benjamin Johannes Herbert BERGNER , Thorsten BEIERLING
IPC: C01G53/00
CPC classification number: C01G53/40 , C01P2002/52 , C01P2004/61 , C01P2004/84 , C01P2006/40 , C01P2004/03
Abstract: Process for making a particulate (oxy)hydroxide of TM wherein TM comprises nickel and where-in said process comprises the steps of: (a) Providing an aqueous solution (α) containing water-soluble salts of Ni and of at least one transition metal selected from Co and Mn, and, optionally, at least one further metal sel-ected from Ti, Zr, Mo, W, Al, Mg, Nb, and Ta, and an aqueous solution (β) containing an alkali metal hydroxide and, optionally, an aqueous solution (γ) containing ammonia, (b) combining a solution (α) and a solution (β) and, if applicable, a solution (γ) at a pH value in the range of from 12.0 to 13.0 in a stirred tank reactor, thereby creating solid particles of a hydroxide containing nickel, said solid particles being slurried, (c) transferring said slurry into another stirred tank reactor and combining it with a solution (α) and a solution (β) and, if applicable, a solution (γ) at a pH value in the range of from 11.0 to 12.7 and at conditions wherein the solubility of nickel is higher than in step (b), wherein the stirring speed is reduced in the course of step (c).
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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
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.
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公开(公告)号：US20230053750A1
公开(公告)日：2023-02-23
申请号：US17758728
申请日：2021-01-28
Applicant: BASF SE
Abstract: Cathode active material in particulate form with a mean particle diameter in the range from 2 to 16 µm (D50), wherein the cathode active material has the composition Li1+xTM1-xO2 wherein x is in the range of from 0.1 to 0.2 and TM is a combination of elements according to general formula (I), (NiaCobMnc)1-d-eM1dM2e where the variables are each defined as follows: a is in the range from 0.20 to 0.40, b is in the range of from zero to 0.15, c is in the range of from 0.50 to 0.75, d is in the range of from zero to 0.015, and e is in the range of from zero to 0.02, M1 is selected from Al, Ti, Zr, Mo, W, Fe, Nb, and Mg, M2 is selected from B and K, with a + b + c = 1.0 wherein said composite oxide has a specific surface (BET) in the range from 0.5 m2/gto 10 m2/gand a pressed density of at least 2.9 g/cm3, and wherein said cathode active material has an average primary particle diameter in the range of from 200 to 3,000 nm.
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公开(公告)号：US20240132370A1
公开(公告)日：2024-04-25
申请号：US18261535
申请日：2022-01-07
Applicant: BASF SE
IPC: C01G53/00
CPC classification number: C01G53/006 , C01P2002/01 , C01P2004/04 , C01P2006/40
Abstract: Disclosed herein is a process for making a particulate (oxy)hydroxide of TM including the steps of:
(a) providing an aqueous solution (α) containing a water-soluble salt of nickel, one metal selected from cobalt and manganese, a compound of at least one metal selected from Ti, Zr, Mg and Nb, an α- or β-hydroxy carboxylic acid or ascorbic acid or of an amino acid selected from glycine, alanine and serine, or their alkali metal salts, an aqueous solution (β) containing an alkali metal hydroxide and, optionally, an aqueous solution (γ) containing ammonia,
(b) combining the solution (α), the solution (β), and, if applicable, the solution (γ) at a pH value between 11.0 and 13.0 in a stirred tank reactor, thereby creating solid particles of a hydroxide containing nickel, said solid particles being slurried.-
Patent Agency Ranking
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
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：US20230312367A1
公开(公告)日：2023-10-05
申请号：US18041254
申请日：2021-08-03
Applicant: BASF SE
Inventor： Benjamin Johannes Herbert BERGNER , Thorsten BEIERLING
CPC classification number: C01G53/006 , C01G53/04 , C01P2002/72 , C01P2002/60 , C01P2004/50 , C01P2004/51 , C01P2004/61 , C01P2006/11 , C01P2006/12 , C01P2006/14 , C01P2006/16 , C01P2006/40
Abstract: Disclosed herein is a process for precipitating a mixed hydroxide of TM where TM includes Ni, at least one of Co and Mn, and, optionally, one of Al, Mg, Zr or Ti from an aqueous solution of salts of such transition metals or of Al or of Mg. The process is carried out in a stirred vessel and includes the step of introducing a 10 to 40% by weight aqueous solution of ammonia and an aqueous solution of transition metal salts through at least two inlets into the stirred vessel. An aqueous solution of alkali metal hydroxide is added separately from the at least two inlets.
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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.-
9.发明公开公开(公告)号：US20230406722A1
公开(公告)日：2023-12-21
申请号：US18248629
申请日：2021-09-16
Applicant: BASF SE
CPC classification number: C01G53/006 , H01M4/505 , H01M4/525 , H01M4/625 , H01M4/623 , C01P2006/40 , C01P2004/61 , C01P2004/50 , C01P2004/53 , C01P2004/03 , H01M2004/028
Abstract: Described herein is a process for making a particulate (oxy)hydroxide of TM, where TM are metals and TM includes at least 60 mol-% nickel, and where said process includes the steps of:
(a) providing an aqueous solution (α) including water-soluble salts of Ni and of at least one metal selected from the group consisting of Co and Mn, and, optionally, at least one further metal selected from the group consisting of Ti, Zr, Mo, W, Al, Mg, Nb, and Ta, and an aqueous solution (β) an alkali metal hydroxide and, optionally, an aqueous solution (γ) including ammonia,
(b) combining the solution (α) and the solution (β) and, if applicable, the solution (γ) at a pH value in a range of from 11.0 to 13.0 in a stirred tank reactor, thereby creating solid particles of a hydroxide containing nickel, said solid particles being slurried.-
公开(公告)号：US20230223528A1
公开(公告)日：2023-07-13
申请号：US17997563
申请日：2021-05-05
Inventor： Benjamin Johannes Herbert BERGNER , Yang-Kook SUN , Geon-Tae PARK , Ji- Yong SHIN
CPC classification number: H01M4/525 , C01G53/42 , C01P2006/40 , C01P2002/52 , C01P2004/61 , C01P2004/84 , C01P2004/03 , C01P2002/85 , C01P2002/88
Abstract: Particulate electrode active material with an average particle diameter in the range of from 2 to 20 μm (D50) having a general formula Li1+xTM1−xO2 wherein TM is a combination of Ni, Co and Al, and, optionally, at least one more metal selected from Mg, Ti, Zr, Nb, Ta, Mo, Mn, and W, with at least 80 mole-% of TM being Ni, and wherein x is in the range of from zero to 0.2, wherein the Co content at the outer surface of the secondary particles is higher than at the center of the secondary particles by a factor of at most 5 or by at most 30 mol-%, referring to TM.
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