公开(公告)号：US10446833B2

公开(公告)日：2019-10-15

申请号：US15023046

申请日：2014-09-16

Applicant: BASF SE

Inventor： Ivana Krkljus ,  Aleksei Volkov ,  Carsten Sueling

IPC: H01M4/36 ,  H01M4/131 ,  H01M4/136 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/62 ,  C01G49/00 ,  C01G53/00 ,  C01D15/02 ,  H01M10/0525 ,  H01M4/02

Abstract: Electrode materials comprising (a) at least one compound 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 compound of general formula (II) LiFe(1-x)M2yPO4 (II) y is in the range of from zero to 0.8 M2 is at least one element selected from Ti, Co, Mn, Ni, V, Mg, Nd, Zn and Y, that contains at least one further iron-phosphorous compound, in form of a solid solution in compound (b) or in domains, (c) carbon in electrically conductive modification.

公开(公告)号：US10026954B2

公开(公告)日：2018-07-17

申请号：US14770147

申请日：2014-06-30

Applicant: BASF SE

Inventor： Ivana Krkljus ,  Aleksei Volkov ,  Carsten Sueling

IPC: H01M4/36 ,  H01M4/131 ,  H01M4/136 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M4/62 ,  H01M10/0525

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.

公开(公告)号：US09845446B2

公开(公告)日：2017-12-19

申请号：US14771669

申请日：2014-03-13

Applicant: BASF SE

Inventor： Frederic Bauer ,  Rainer Eskuchen ,  Juergen Tropsch ,  Carsten Sueling

IPC: C11D1/825 ,  C11D3/22 ,  B08B3/04 ,  C11D1/66

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.

公开(公告)号：US11862795B2

公开(公告)日：2024-01-02

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 ,  C01G53/00 ,  H01M4/505 ,  H01M4/02

CPC classification number: H01M4/525 ,  C01G53/50 ,  H01M4/505 ,  C01P2002/52 ,  C01P2006/12 ,  C01P2006/40 ,  H01M2004/021 ,  H01M2004/028

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：US10189772B2

公开(公告)日：2019-01-29

申请号：US15554492

申请日：2016-03-01

Applicant: BASF SE

Inventor： Constanze Franzke ,  Frank Jaekel ,  Carsten Sueling

IPC: C07C227/18 ,  C07C229/16 ,  C11D3/33 ,  C11D3/00

Abstract: Mixtures comprise (A) 90 to 99.9% by weight of a mixture of L- and D-enantiomers of methyl glycine diacetic acid (MGDA) or its respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, said mixture containing predominantly the respective L-enantiomer with an enantiomeric excess (ee) in the range of from 10 to 99%, and (B) in total 0.1 to 10% by weight of the diacetic acid derivative of at least one amino acid selected from valine, leucine, isoleucine, and tyrosine, as free acids or respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, percentages referring to the sum from (A) and (B).

公开(公告)号：US12176514B2

公开(公告)日：2024-12-24

申请号：US17595337

申请日：2021-01-12

Applicant: BASF SE

Inventor： Heino Sommer ,  Carsten Sueling

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

Abstract: Disclosed herein is a process for making an electrode active material, including: (a) forming a mixture, (b) transferring the mixture into saggars, crucibles or open cups, (c) calcining the mixture 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 the 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, where the robot performs steps (f) to (g) with several samples in parallel.

公开(公告)号：US11028350B2

公开(公告)日：2021-06-08

申请号：US16309339

申请日：2017-06-01

Applicant: BASF SE

Inventor： Michael Klemens Mueller ,  Armin Stamm ,  Frank Jaekel ,  Carsten Sueling

IPC: C11D7/26 ,  C11D7/32 ,  C11D11/00 ,  C11D3/33 ,  C11D11/02 ,  C07C229/16 ,  C07C227/00 ,  C07C227/44 ,  C11D3/37

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) withdrawingpowder or granules, respectively, from the spray-dryer or spray-granulator, respectively, (c) separating off fines from said powder or granules, wherein said fines have a maximum particle diameter of 350 μm, (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 fines 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：US10676700B2

公开(公告)日：2020-06-09

申请号：US16086931

申请日：2017-03-29

Applicant: BASF SE

Inventor： Thomas Schmidt ,  Marta Reinoso Garcia ,  Carsten Sueling ,  Verena Mormul

IPC: C11D1/00 ,  C11D11/00 ,  C11D3/33 ,  C07C227/26 ,  C11D17/00

Abstract: The present invention is directed towards mixtures comprising (A) 90 to 99.999% by weight of racemic methyl glycine diacetic acid (MGDA) or of MGDA with predominantly the L-isomer in an enantiomeric excess of up to 9.5% or their respective mono-, di- or trialkali metal or mono-, di- or triammonium salts, and (B) in total 0.001 to 10% by weight of the diacetic acid derivative of aspartate as free acid or as mono-, di-, tri- or tetraalkali metal salt or as mono-, di-, tri- or tetraammonium salt, percentages referring to the sum from (A) and (B).

公开(公告)号：US10283761B2

公开(公告)日：2019-05-07

申请号：US15524400

申请日：2015-11-02

Applicant: BASF SE

Inventor： Ivana Krkljus ,  Aleksei Volkov ,  Carsten Sueling

IPC: H01M4/36 ,  H01M4/58 ,  H01M10/0525 ,  H01M2/16 ,  H01M4/62 ,  H01M10/0569 ,  H01M4/02

Abstract: Electrode material comprising (a) at least one compound of general formula (I) LiFe(1-y)M1yPO4 (I) y is in the range of from zero to 0.4 M1 is at least one element selected from Co, Mn, Ni, V, Mg, Nd, Zn and Y, that contains at least one further iron-phosphorous compound, and in the range of from 0.05 to 0.25% by weight of sulphur and in the range of from 0.003 to 0.5% by weight of Ti, (b) carbon in electrically conductive modification.