公开(公告)号：US20220371910A1

公开(公告)日：2022-11-24

申请号：US17755295

申请日：2020-10-15

Applicant: BASF SE

Inventor： Benjamin Johannes, Herbert BERGNER ,  Tobias Maximilian TEUFL ,  Rafael Benjamin BERK

IPC: C01G45/02 ,  H01M10/0525 ,  C01G45/00 ,  C01G51/04 ,  C01G51/00 ,  C01G53/04 ,  C01G53/00

Abstract: Process for making a manganese composite (oxy)hydroxide with a mean particle diameter D50 in the range from 2 to 16 μm comprising the step(s) of combining (a) an aqueous solution containing salts of nickel and of manganese, and, optionally, at least one of Al, Mg, or transition metals other than nickel and manganese wherein at least 50 mole-% of the metal is manganese, (b) with an aqueous solution of an alkali metal hydroxide and (c) an organic acid or its alkali or ammonium salt wherein said organic acid bears at least two functional groups per molecule and at least one of the functional groups is a carboxylate group.