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

Patent metadata

Field	Value
Publication number	US-12286361-B2
Application number	US-202017595329-A
Country	US
Kind code	B2
Filing date	Jun 17, 2020
Priority date	Jun 28, 2019
Publication date	Apr 29, 2025
Grant date	Apr 29, 2025

Abstract

Particulate material of the composition Li 1+x TM 1−x O 2 wherein 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 M 1 wherein M 1 is selected from Nb, Ta, Ti, Zr, W and Mo, (B) at least one element M 2 wherein M 2 is 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.

First claim

The invention claimed is:

1. A particulate material of the composition Li 1+x TM 1-x O 2 wherein:
x ranges from −0.02 to +0.05,
TM comprises at least 93 mol −% nickel, and
(A) at least one element M 1 chosen from Nb, Ta, Ti, Zr, W, and Mo,
(B) at least one element M 2 chosen from B, Al, Mg and Ga;
wherein the particulate material has an average particle diameter (D50) ranging from 2 μm to 20 μm.

2. The particulate material according to claim 1 , wherein TM is a combination of metals according to general formula (I)
(Ni a M 1 b M 2 c ) 1-d M 3 d   (I)

wherein
M 3 is chosen from Mn and Co,
a ranges from 0.95 to 0.995,
b ranges from 0.002 to 0.04,
c ranges from 0.002 to 0.02, and
d ranges from zero to 0.02,
a+b+c=1.

3. The particulate material according to claim 1 , wherein d is zero.

4. The particulate material according to claim 1 , wherein M 1 is Zr or Ti and M 2 is Al.

5. The particulate material according to claim 1 , wherein M 1 is Ta or Nb and M 2 is Al or B.

6. The particulate material according to claim 1 , wherein the material has an integral peak width, 2nd charge IPW 4.1-4.25 v, in the differential capacity plot, (dQ)/(dV), of at least 25 mV between 4.1 V and 4.25 V in the second charge cycle at 0.2 C-rate.

7. The particulate material according to claim 1 , wherein the material is coated with a metal oxide.

8. The particulate material according to claim 1 , wherein b≤c.

9. A process for manufacturing a particulate material according to claim 1 , wherein the process comprises the following steps:
(a) providing a particulate nickel hydroxide, nickel (II) oxide or nickel oxyhydroxide,
(b) treating the nickel oxide/hydroxide or oxyhydroxide with one or two solutions of compounds of M 1 and M 2 ,
(c) optionally, removing the solvent(s) from step (b),
(d) adding a source of lithium, and
(e) treating the mixture obtained from step (d) thermally.

10. The process according to claim 9 , wherein step (e) is performed at a maximum temperature ranging from 650° C. to 750° C.

11. The process according to claim 9 , wherein step (c) is performed by a solid-liquid separation method.

Assignees

• Basf Se

Inventors

• Bergner Benjamin Johannes Herbert
• Sommer Heino
• Hartmann Pascal
• Teufl Tobias Maximilian

Classifications

• H01M2004/027

  Negative electrodes · CPC title

• H01M10/0525

  Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

• H01M4/525

  of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy · CPC title

• C01P2006/40

  Electric properties · CPC title

• Y02E60/10

  Energy storage using batteries · CPC title