公开(公告)号：WO2023057280A1

公开(公告)日：2023-04-13

申请号：PCT/EP2022/076981

申请日：2022-09-28

Applicant: BASF SE ,  TECHNISCHE UNIVERSITÄT MÜNCHEN

Inventor： LENNARTZ, Michael ,  GASTEIGER, Hubert ,  HARTMANN, Louis ,  CHING, Cheuck Hin

IPC: H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/525

Abstract: Process for the manufacture of a cathode active material with a core-shell structure wherein said process comprises the steps of(a) providing a particulate electrode active material according to general formula Li1+xTM1-xO2, wherein TM is a combination of metals and includes Ni and Mn, and, optionally, at leastone element selected from Al, Mg, Ba and transition metals other than Ni and Mn, and x is in the range of from 0.075 to 0.2, wherein at least 50 mole-% of the metal of TM is Mn,(b) treating said particulate electrode active material with an aqueous buffer solution with apH value in the range of from 2.0 to 10.5, (c) removing the liquid phase by a solid-liquid separation method, and(d) treating the residue from step (c) at a temperature in the range of from 180 to 750°C.

公开(公告)号：WO2022263226A1

公开(公告)日：2022-12-22

申请号：PCT/EP2022/065363

申请日：2022-06-07

Applicant: BASF SE ,  TECHNISCHE UNIVERSITÄT MÜNCHEN

Inventor： SOMMER, Heino ,  WU, Xiaohan ,  GASTEIGER, Hubert ,  HARTMANN, Louis

IPC: H01M4/505 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/02

Abstract: Cathode containing a mass comprising; (1) a lithium-containing cathode active material with a molar manganese content in the range of from 50 to 85 mol-% referring to the metals other than lithium contained in said cathode active material, (2) S1O2 in particulate form, (3) carbon in electrically conductive form, and (4) binder polymer.

公开(公告)号：EP4356457A1

公开(公告)日：2024-04-24

申请号：EP22732502.4

申请日：2022-06-07

Applicant: BASF SE

Inventor： SOMMER, Heino ,  WU, Xiaohan ,  GASTEIGER, Hubert ,  HARTMANN, Louis

IPC: H01M4/505 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/02

CPC classification number: H01M4/505 ,  H01M4/131 ,  H01M4/1391 ,  H01M2004/02820130101 ,  H01M4/02 ,  Y02E60/10

公开(公告)号：EP4413623A1

公开(公告)日：2024-08-14

申请号：EP22800108.7

申请日：2022-09-28

Applicant: BASF SE

Inventor： LENNARTZ, Michael ,  GASTEIGER, Hubert ,  HARTMANN, Louis ,  CHING, Cheuck Hin

IPC: H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/525

CPC classification number: H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M10/0525 ,  H01M4/525 ,  Y02E60/10