Lithium secondary battery
US-2015270577-A1 · Sep 24, 2015 · US
High energy cathodes for lithium ion batteries
US11158854B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11158854-B2 |
| Application number | US-202016840573-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 6, 2020 |
| Priority date | Nov 22, 2016 |
| Publication date | Oct 26, 2021 |
| Grant date | Oct 26, 2021 |
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Abstract
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An electrode includes a material represented by Li 1-x M x CoO 2-d where 0<x≤0.2 and 0≤d≤0.2. The variable M includes a metal selected from the group consisting of transition metals, Group I elements, and Group II elements.
First claim
Opening claim text (preview).
What is claimed is: 1. An electrode, comprising: a material represented by Li 1-x M x CoO 2-d where 0<x≤0.2 and 0≤d≤0.2; wherein M comprises a metal selected from the group consisting of transition metals, Group I elements, and Group II elements. 2. The electrode of claim 1 , wherein M is present in a lithium site of the material. 3. The electrode of claim 1 , wherein M is magnesium. 4. The electrode of claim 1 , wherein M is zirconium. 5. The electrode of claim 1 , wherein M is niobium. 6. The electrode of claim 1 , wherein M is sodium. 7. The electrode of claim 1 , wherein 0<x≤0.1. 8. The electrode of claim 1 , wherein 0<x≤0.05. 9. The electrode of claim 1 , wherein d is 0. 10. A battery comprising: an anode; a cathode; and an electrolyte between the anode and the cathode, wherein the cathode comprises an active material represented by Li 1-x M x CoO 2-d , where 0<x≤0.2, 0≤d≤0.2, and M comprises a metal selected from the group consisting of transition metals, Group I elements, and Group II elements. 11. The battery of claim 10 , wherein M is present in a lithium site of the active material of the cathode. 12. The battery of claim 10 , wherein M is magnesium. 13. The battery of claim 10 , wherein M is zirconium. 14. The battery of claim 10 , wherein M is niobium. 15. The battery of claim 10 , wherein M is sodium. 16. The battery of claim 10 , wherein 0<x≤0.1. 17. The battery of claim 10 , wherein the material comprises Li 0.95 Zr 0.05 CoO 2 . 18. The battery of claim 10 , wherein the material comprises Li 0.99 Mg 0.01 CoO 2 . 19. The battery of claim 10 , wherein the anode comprises lithium foil, and the electrolyte comprises a lithium salt and at least one carbonate. 20. The battery of claim 10 , wherein d is 0.
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Classifications
containing elements as dopants · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
Electric properties · CPC title
Solid solutions · CPC title
containing alkaline earth metals, e.g. SrCoO3 · CPC title
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- What does patent US11158854B2 cover?
- An electrode includes a material represented by Li 1-x M x CoO 2-d where 0<x≤0.2 and 0≤d≤0.2. The variable M includes a metal selected from the group consisting of transition metals, Group I elements, and Group II elements.
- Who is the assignee on this patent?
- Wildcat discovery technologies inc
- What technology area does this patent fall under?
- Primary CPC classification H01M4/525. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Oct 26 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).