Basf Se Corporation

Leland Stanford Junior University

Tobias Maximilian Teufl

Heino Sommer

William C Chueh

Benjamin Johannes Herbert Bergner

Jordan Lampert

Pascal Hartmann

William E Gent

James A Sioss

Young Jin Kim

Rafael Benjamin Berk

Kipil Lim

Peter M Csernica

Jordan K Lampert

Grace M Busse

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.

Process for making precursors for cathode active materials, precursors, and cathode active materials

Particulate material of the composition LiTMOwherein x is in the range of from −0.02 to +0.05, TM comprises at least 93 mol-% nickel and (A) at least one element Mwherein Mis selected from Nb, Ta, Ti, Zr, W and Mo, (B) at least one element Mwherein Mis selected from B, Al, Mg and Ga, wherein said particulate material has an average particle diameter (D50) in the range of from 2 to 20 μm.

Lithium nickel oxide particulate material, method for its manufacture and use

Cathode active material in particulate form with a mean particle diameter in the range from 2 to 16 μm (D50), wherein the cathode active material has the composition LTMOwherein x is in the range of from 0.1 to 0.2 and TM is a combination of elements according to general formula (I), (NiCoMn)MMwhere the variables are each defined as follows: a is in the range from 0.20 to 0.40, b is in the range of from zero to 0.15, c is in the range of from 0.50 to 0.75, d is in the range of from zero to 0.015, and e is in the range of from zero to 0.02, Mis selected from Al, Ti, Zr, Mo, W, Fe, Nb, and Mg, Mis selected from B and K, with a+b+c=1.0 wherein said composite oxide has a specific surface (BET) in the range from 0.5 m/g to 10 m/g and a pressed density of at least 2.9 g/cm, and wherein said cathode active material has an average primary particle diameter in the range of from 200 to 3,000 nm.

Cathode active material and method for making such cathode active material

Particulate material of the composition Li1+xTM1−xO2 wherein x is in the range of from 0.1 to 0.25 and TM is a combination of elements according to general formula (I) (NiCoMn)M(I) wherein a is in the range of from 0.30 to 0.38, b being in the range of from zero to 0.05, c being in the range of from 0.60 to 0.70, and d being in the range of from zero to 0.05, Mis selected from Al, Ti, Zr, Mo, Mg, B, and combinations of at least two of the foregoing, a+b+c=1, wherein said particulate material has an average particle diameter D50 in the range of from 2 to 20 μm and wherein said particulate material has a pressed density in the range of from 2.75 to 3.1 g/cm.

Particulate material, method for its manufacture and use

Growing community of inventors

Poing, Germany

Tobias Maximilian Teufl