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

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

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.

公开(公告)号：US20160006023A1

公开(公告)日：2016-01-07

申请号：US14770147

申请日：2014-06-30

Applicant: BASF SE

Inventor： Ivana KRKLJUS ,  Aleksei VOLKOV ,  Carsten SUELING

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/62

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/136 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/0525 ,  H01M2220/20

Abstract: Electrode materials comprising (a) at least one component of general formula (I) Li(1+x)[NiaCObMncM1d](1−x)O2 (I) the integers being defined as follows: x is in the range of from 0.01 to 0.05, a is in the range of from 0.3 to 0.6, b is in the range of from zero to 0.35, c is in the range of from 0.2 to 0.6, d is in the range of from zero to 0.05, a+b+c+d=1 M1 is at least one metal selected from Ca, Zn, Fe, Ti, Ba, Al, (b) at least one component of general formula (II) LiFe(1−y)M2yPO4.m lithium phosphate (II) y is in the range of from zero to 0.8 M2 is at least one element selected from Co, Mn, Ni, V, Mg, Nd, Zn, and Y, m is selected from 0.01 to 0.15 (c) carbon in electrically conductive modification.

Abstract translation: 包含（a）至少一种通式（I）Li（1 + x）[NiaCObMncM1d]（1-x）O 2（I）的组分的电极材料，整数定义如下：x在0.01至 0.05，a在0.3〜0.6的范围内，b在0〜0.35的范围内，c在0.2〜0.6的范围内，d在0〜0.05的范围内，a + b + c + d = 1 M 1是选自Ca，Zn，Fe，Ti，Ba，Al中的至少一种金属，（b）通式（II）的至少一种成分LiFe（1-y）M2yPO4.m磷酸锂 II）y在0至0.8的范围内M2是选自Co，Mn，Ni，V，Mg，Nd，Zn和Y中的至少一种元素，m选自0.01至0.15（c）碳，电 导电改性。

公开(公告)号：US20240166977A1

公开(公告)日：2024-05-23

申请号：US18548582

申请日：2022-02-24

Applicant: BASF SE

Inventor： Verena STREMPEL ,  Marta REINOSO GARCIA ,  Daniel LOEFFLER ,  Carsten SUELING

IPC: C11D17/00 ,  C11D3/12 ,  C11D3/16 ,  C11D3/33

CPC classification number: C11D17/0039 ,  C11D3/1206 ,  C11D3/168 ,  C11D3/33 ,  C11D17/0091 ,  C11D2111/14

Abstract: Process for making a particulate coated chelating agent (A) wherein said process comprises the following steps:



(a) Providing a granule or powder containing an alkali metal salt of methyl glycine diacetic acid (MGDA) or glutamic acid diacetic acid (GLDA), preferably with a moisture content in the range of from 1 to 15% by weight,
(b) treating said salt with a metal alkoxide or metal halide or metal amide or alkyl metal compound or with an alkoxide, amide, halide or alkyl compound of silicon,
(c) treating the material obtained in step (b) with moisture or
(c*) with ozone,
(d) optionally, repeating the sequence of steps (b) and (c) once to 25 times.

公开(公告)号：US20220216456A1

公开(公告)日：2022-07-07

申请号：US17595337

申请日：2021-01-12

Applicant: BASF SE

Inventor： Heino SOMMER ,  Carsten SUELING

IPC: H01M4/04 ,  H01M4/525 ,  H01M4/62 ,  C01G53/00

Abstract: Process for making an electrode active material, said process comprising the steps of: (a) mixing a composite oxide, (oxy)hydroxide, hydroxide or carbonate of nickel and at least one of cobalt and manganese and, optionally, at least one of Mg, Al and Y or a transition metal selected from Ti, Zr, Nb, Ta, Fe, Mo, and W, with at least one source of lithium selected from lithium carbonate, lithium oxide and lithium hydroxide and, optionally, with at least one dopant selected from oxides, hydroxides and oxyhydroxides of Mg, Al, Y, Ti, Zr, Nb, Ta, Fe, Mo, and W, and from fluorides, (b) optionally, transferring said mixture into saggars, crucibles or open cups, (c) calcining said mixture in a pusher kiln or roller hearth kiln or rotary kiln at a temperature in the range of from 700 to 1000° C., (d) cooling down the resultant electrode active material, (e) applying a robot to take at least two samples of 10 mg to 10 g of every saggar, crucible or open cup to be analyzed, or per defined period of time, respectively, (f) transferring said samples to another robot or to another part of the same robot, where the robot makes an electrode material mix from samples of the same saggar, crucible or open cup, and (g) transferring the electrode material mix to a test unit to perform electrochemical tests, wherein the robot performs steps (f) to (g) with several samples in parallel.

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：US20230062299A1

公开(公告)日：2023-03-02

申请号：US17786303

申请日：2020-12-04

Applicant: BASF SE

Inventor： Markus HARTMANN ,  Michael Klemens MUELLER ,  Frank JAEKEL ,  Carsten SUELING

IPC: C11D17/06 ,  C11D11/02 ,  C11D3/395 ,  C11D3/20 ,  C11D3/37 ,  C11D3/12 ,  C11D11/00

Abstract: The present invention is directed towards a process for making a powder or granule containing (A) at least one alkali metal salt of citric acid, and at least one additive selected from (B) at least one (co)polymer containing carboxylic acid groups, partially neutralized with alkali, in a weight ratio of (A):(B) of from 5:1 up to 100:1, wherein said powder or granule contains at least 75% by weight of citrate (A), said process comprising the steps of (a) mixing the at least one alkali metal salt of citric acid (A) and the at least one (co)polymer (B) in the presence of water, (b) removing most of said water by spray-drying or spray granulation using a gas with an inlet temperature of at least 125° C.

公开(公告)号：US20190119611A1

公开(公告)日：2019-04-25

申请号：US16309339

申请日：2017-06-01

Applicant: BASF SE

Inventor： Michael Klemens MUELLER ,  Armin STAMM ,  Frank JAEKEL ,  Carsten SUELING

IPC: C11D11/00 ,  C11D3/33 ,  C11D11/02

Abstract: Process for making a powder or granule containing at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and glutamic acid diacetate (GLDA) and iminodisuccinic acid (IDS), said process comprising the steps of (a) introducing an aqueous solution or aqueous slurry of the respective chelating agent (A) into a spray-dryer or spray-granulator, and removing most of said water by spray-drying or spray granulation using a gas with an inlet temperature of 125 to 250° C., (b) withdrawing powder or granules, respectively, from the spray-dryer or spray-granulator, respectively, (c) separating off fmes from said powder or granules, wherein said fmes have a maximum particle diameter of 350 (d) separating off lumps from said powder or granules, wherein said lumps have a particle diameter of 1,500 μm or more, (e) milling said lumps to a maximum particle diameter of 500 μm, (f) re-introducing said fmes from step (c) and milled lumps from step (e) into the spray-dryer or spray-granulator, wherein the share of fines is in the range of from 0.5 to 20% by weight of the total chelating agent (A) withdrawn in step (b) and the share of milled lumps is in the range of from 5 to 60% by weight of the total chelating agent (A) withdrawn in step (b).

公开(公告)号：US20210218008A1

公开(公告)日：2021-07-15

申请号：US17250792

申请日：2019-08-30

Applicant: BASF SE

Inventor： Maraike AHLF ,  Heino SOMMER ,  Carsten SUELING ,  Markus Daniel GRONER ,  Christopher GUMP ,  Robert HALL ,  Joseph SPENCER, II

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

Abstract: The present disclosure relates to a process for coating an oxide material comprising: (a) providing a particulate material chosen from lithiated nickel-cobalt aluminum oxides, lithiated cobalt-manganese oxides, and lithiated layered nickel-cobalt-manganese oxides, (b) treating the cathode active material with a metal alkoxide, metal amide, alkyl metal compound, metal halide, or metal hydride at a pressure ranging from 5 mbar to 1 bar above ambient pressure, (c) deactivating the material obtained in step (b) with a HF containing gas at ambient pressure,  wherein step (b) is carried out in a mechanical mixer chosen from compulsory mixers and free-fall mixers, or step (b) is carried out using a moving bed or a fixed bed.

公开(公告)号：US20210179978A1

公开(公告)日：2021-06-17

申请号：US17052364

申请日：2019-04-25

Applicant: BASF SE

Inventor： Marta REINOSO GARCIA ,  Juergen DETERING ,  Carsten SUELING ,  Kati SCHMDT ,  Michael Klemens MUELLER ,  Gazi TUERKOGLU ,  Thomas SCHMIDT

IPC: C11D11/02 ,  C11D11/00 ,  C11D17/06 ,  C11D3/33 ,  C11D3/37 ,  C11D3/12

Abstract: Process for manufacturing granules or powders comprising the steps of (a) providing an aqueous solution or slurry of (A) at least one chelating agent according to general formula (I a) [CH3—CH(COO)—N(CH2—COO)2]M3-XHX (I a) wherein M is selected from alkali metal cations and ammonium, same or different, and x is in the range of from 0.01 to 1.0 or (I b) [OOC—CH2CH2—CH(COO)—N(CH2—COO)2]M4-XHX (I b) wherein M is as defined above, and x in formula (I b) is in the range of from 0.01 to 2.0, and (B) at least one polymer selected from (B1) polyaspartates with an average molecular weight Mw in the range of from 1,000 to 20,000 g/mole, and (B2) copolymers comprising, in copolymerized form, (α) at least one ester of an ethylenically unsaturated mono- or dicarboxylic acid, and (β) at least one ethylenically unsaturated N-containing monomer, and (b) spray drying or granulating said solution or slurry.

公开(公告)号：US20160010027A1

公开(公告)日：2016-01-14

申请号：US14771669

申请日：2014-03-13

Applicant: BASF SE

Inventor： Frederic BAUER ,  Rainer ESKUCHEN ,  Juergen TROPSCH ,  Carsten SUELING

IPC: C11D1/66 ,  C11D1/825

CPC classification number: C11D1/662 ,  C11D1/825

Abstract: The current invention is directed towards mixtures, comprising (A) in the range of from 15 to 85% by weight of at least one compound of the general formula (I) (B) in the range of from 85 to 15% by weight of at least one compound of the general formula (II), wherein the integers are defined as follows: R1 is C3-C4-alkyl, linear or branched, R2 is C5-C6-alkyl, linear or branched, G1, G2 are different or identical and selected from monosaccharides with 4 to 6 carbon atoms, x, y are numbers in the range of from 1.1 to 4, R3 is C3-C9-alkyl, linear or branched, the percentages referring to the total mixture.

Abstract translation: 本发明涉及混合物，其包含（A）15至85重量％的至少一种通式（I）（B）的化合物在85至15重量％的范围内为 至少一种通式（II）的化合物，其中整数定义如下：R1是直链或支链的C 3 -C 4 - 烷基，R 2是直链或支链的C 5 -C 6 - 烷基，G 1，G 2不同或 相同且选自具有4至6个碳原子的单糖，x，y为1.1至4的数，R3为直链或支链的C 3 -C 9 - 烷基，其百分数为总混合物。