公开(公告)号：US10707486B2

公开(公告)日：2020-07-07

申请号：US15751308

申请日：2016-08-10

Applicant: BASF SE

Inventor： Simon Schroedle ,  Thomas Michael Ryll ,  Aleksei Volkov ,  Ji-Yong Shin ,  Jordan K. Lampert

IPC: H01M4/52 ,  H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/131 ,  C01G53/04 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/42 ,  H01M10/052 ,  H01M4/02

Abstract: The present invention is directed towards a process for making a particulate material according to the general formula (I): NiaCObMncMd(O)x(OH)y, wherein M is selected from Al and Ti, x is in the range of from 0.01 to 0.9, y is in the range of from 1.1 to 1.99, a is in the range of from 0.3 to 0.85, b is in the range of from 0.05 to 0.4, c is in the range of from 0.1 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) providing an aqueous slurry of particles of aluminum hydroxide or titanium dioxide, (b) adding an aqueous solution of water-soluble salts of nickel, cobalt and manganese and a solution of alkali metal hydroxide to the slurry according to step (a), thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese hydroxide on the particles according to step (a), (c) removing particles of (NiaCObMncAld)(OH)2+d or (NiaCObMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen.

公开(公告)号：US10468678B2

公开(公告)日：2019-11-05

申请号：US15318887

申请日：2015-06-19

Applicant: BASF SE

Inventor： Aleksei Volkov ,  Jordan Lampert ,  Thomas Michael Ryll ,  Ji-Yong Shin ,  Markus Hoelzle ,  Michael Eder

IPC: H01M4/02 ,  H01M4/525 ,  H01M10/0567 ,  H01M10/42 ,  C01G53/00 ,  H01M4/505 ,  H01M10/0525

Abstract: Process for making a particulate material of general formula (I), wherein the integers are defined as follows: M is selected from Al and Ti, x is in the range of from 0.015 to 0.03, a is in the range of from 0.3 to 0.6, b is in the range of from 0.05 to 0.35, c is in the range of from 0.2 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) co-precipitating a mixed hydroxide of nickel, cobalt and manganese from a solution of water-soluble salts of nickel, cobalt and manganese by contacting such solution with a solution of alkali metal hydroxide, (b) adding an aqueous solution of an aluminate or titanate and thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese and aluminum or titanium on the particles formed in step (a), (c) removing particles of (Nia Cob Mnc Ald)(OH)2+d or (Nia Cob Mnc Tid)(OH)2+2d so obtained and drying them in the presence of oxygen, (d) mixing the particles obtained in step (c) with at least one Li compound selected from Li2O, LiOH and Li2CO3, (e) calcining the mixture obtained according to step (d) at a temperature in the range of from 920 to 950° C.

公开(公告)号：US12152287B2

公开(公告)日：2024-11-26

申请号：US17046766

申请日：2019-04-01

Applicant: BASF SE

Inventor： Wolfgang Rohde ,  Torben Adermann ,  Thomas Michael Ryll ,  Kerstin Schierle-Arndt ,  Fabian Seeler ,  Sabine Weiguny ,  Michael Zeilinger

IPC: C22B26/12 ,  C22B1/00 ,  C22B3/44 ,  C22B7/00

Abstract: Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range of from 400 to 1200° C., (b) treating said heat-treated material with water, (c) treating the solid residue from step (b) with an acid selected from sulfuric acid, hydrochloric acid, nitric acid, methanesulfonic acid, oxalic acid and citric acid, (d) adjusting the pH value to 2.5 to 8, (e) removing compounds of Al, Cu, Fe, Zn or combinations of at least two of the foregoing from the solution or slurry obtained in step (d).

公开(公告)号：US10526212B2

公开(公告)日：2020-01-07

申请号：US15524898

申请日：2015-10-30

Applicant: BASF SE

Inventor： Christoph Erk ,  Thomas Michael Ryll ,  Jordan Lampert

IPC: H01M4/02 ,  C01G53/00 ,  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.

公开(公告)号：US11283074B2

公开(公告)日：2022-03-22

申请号：US16652188

申请日：2018-09-18

Applicant: BASF SE ,  Karlsruher Institut fuer Technologie

Inventor： Pascal Hartmann ,  Thomas Michael Ryll ,  Christoph Erk ,  Lea De Biasi

IPC: H01M4/525 ,  H01M4/505 ,  C01G53/00 ,  H01M4/62 ,  C09J7/29 ,  C09J7/40 ,  C09J121/00 ,  C09J133/08

Abstract: The present invention is related to an electrode active material for a lithium-ion battery of general formula (I): Li1+x(NiaCobMncMd)1−xO2 wherein x is in the range of from zero to 0.1, a is in the range of from 0.1 to 0.5, b is in the range of from 0.4 to 0.9, c is in the range of from zero to 0.3, d is in the range of from zero to 0.1, M is selected from Al, B, Mg, W, Mo, Ti, Si and Zr, with a+b+c+d=1 and a>c. In addition, the present invention is related to a method of manufacture of electrode active materials and to their use.

公开(公告)号：US11165063B2

公开(公告)日：2021-11-02

申请号：US16509749

申请日：2019-07-12

Applicant: BASF SE

Inventor： Aleksei Volkov ,  Jordan Lampert ,  Thomas Michael Ryll ,  Ji-Yong Shin ,  Markus Hoelzle ,  Michael Eder

IPC: H01M4/02 ,  H01M4/525 ,  H01M10/0567 ,  H01M10/42 ,  C01G53/00 ,  H01M4/131 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/052

Abstract: Process for making a particulate material of general formula (I), Li1+x(NiaCobMncMd)1−xO2  (I) wherein the integers are defined as follows: M is selected from Al and Ti, x is in the range of from 0.015 to 0.03, a is in the range of from 0.3 to 0.6, b is in the range of from 0.05 to 0.35, c is in the range of from 0.2 to 0.5, d is in the range of from 0.001 to 0.03, with a+b+c+d=1 said process comprising the following steps: (a) co-precipitating a mixed hydroxide of nickel, cobalt and manganese from a solution of water-soluble salts of nickel, cobalt and manganese by contacting such solution with a solution of alkali metal hydroxide, (b) adding an aqueous solution of an aluminate or titanate and thereby co-precipitating a layer of a mixed hydroxide of nickel and cobalt and manganese and aluminium or titanium on the particles formed in step (a), (c) removing particles of (NiaCobMncAld)(OH)2+d or (NiaCobMncTid)(OH)2+2d so obtained and drying them in the presence of oxygen, (d) mixing the particles obtained in step (c) with at least one Li compound selected from Li2O, LiOH and Li2CO3, (e) calcining the mixture obtained according to step (d) at a temperature in the range of from 920 to 950° C.