Active material for a cathode of a battery cell, cathode, and battery cell

Patent metadata

Field	Value
Publication number	US-10020506-B2
Application number	US-201615180170-A
Country	US
Kind code	B2
Filing date	Jun 13, 2016
Priority date	Jun 17, 2015
Publication date	Jul 10, 2018
Grant date	Jul 10, 2018

Abstract

An active material for a cathode of a battery cell which includes a first component containing Li 2 MnO 3 . The first component has been doped with a dopant containing a fluoride of a transition metal. Moreover, a cathode of a battery cell which includes an active material, and a battery cell which includes at least one cathode, are provided.

First claim

What is claimed is:

1. A cathode for a battery cell, comprising:
a first component containing Li 2 MnO 3 , wherein the first component is doped with a dopant containing a fluoride of a transition metal;
wherein one of the following is satisfied: (i) a cathode coating containing AlF 3 is applied to the active material, or (ii) a cathode coating containing carbon is applied to the active material.

2. The cathode active material as recited in claim 1 , wherein the active material includes a second component containing LiTMO 2 , TM being a transition metal that is selected from the elements nickel, cobalt, and manganese.

3. The cathode as recited in claim 1 , wherein the dopant contains sodium.

4. The cathode as recited in claim 1 , wherein the dopant contains Na x MF y , where 0≤x≤4 and 1≤y≤6, and M is a transition metal.

5. The cathode as recited in claim 4 , wherein M is selected from the elements nickel, cobalt, platinum, and palladium.

6. The cathode as recited in claim 1 , wherein the cathode coating containing the AlF 3 is applied to the active material.

7. The cathode as recited in claim 1 , wherein the cathode coating containing the carbon is applied to the active material.

8. A battery cell, comprising:
at least one cathode, the cathode including an active material the active material including a first component containing Li 2 MnO 3 , wherein the first component is doped with a dopant containing a fluoride of a transition metal;
wherein one of the following is satisfied: (i) a cathode coating containing AlF 3 is applied to the active material, or (ii) a cathode coating containing carbon is applied to the active material.

9. The battery cell as recited in claim 8 , wherein the cathode coating containing the AlF 3 is applied to the active material.

10. The battery cell as recited in claim 8 , wherein the cathode coating containing the carbon is applied to the active material.

11. A method of using a battery cell, the method comprising:
providing, in one of an electric vehicle, a hybrid vehicle, a plug-in hybrid vehicle, a tool, or a consumer electronic product, a battery cell, the battery cell including at least one cathode, the cathode including an active material, the active material including a first component containing Li 2 MnO 3 , wherein the first component is doped with a dopant containing a fluoride of a transition metal; and
using the battery cell;
wherein one of the following is satisfied: (i) a cathode coating containing AlF 3 is applied to the active material, or (ii) a cathode coating containing carbon is applied to the active material.

12. The method as recited in claim 11 , wherein the cathode coating containing the AlF 3 is applied to the active material.

13. The method as recited in claim 11 , wherein the cathode coating containing the carbon is applied to the active material.

Assignees

• Bosch Gmbh Robert

Inventors

• Rolff Malte
• Marusczyk Anika
• Eckl Thomas

Classifications

• H01M4/625

  Carbon or graphite · CPC title

• H01M4/366

  as layered products · CPC title

• H01M4/1315

  containing halogen atoms, e.g. LiCoOxFy · CPC title

• H01M4/364

  as mixtures · CPC title

• H01M4/505 Primary

  of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy · CPC title