Improved lithium metal oxide cathode materials and method to make them
US-2016315315-A1 · Oct 27, 2016 · US
Surface stabilized cathode material for lithium ion batteries and synthesizing method of the same
US11462736B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11462736-B2 |
| Application number | US-202016802347-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 26, 2020 |
| Priority date | Sep 21, 2016 |
| Publication date | Oct 4, 2022 |
| Grant date | Oct 4, 2022 |
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Abstract
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A compound represented by LiaCo(1-x-2y)Mex(M1M2)yOδ, (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0≤x≤0.3, 0<y≤0.4, 0.95≤α≤1.4, and 1.90≤δ≤2.10 is disclosed. Further, particles including such compounds are described.
First claim
Opening claim text (preview).
What is claimed is: 1. A compound represented by Formula (II): Li a Co (1-2y) (M/M2) y O δ Formula (II) wherein M1 is Ni; wherein M2 is Ti; wherein M1M2 represents metal pairs of M1 and M2; and wherein 0<y≤0.4, 0.95≤α≤1.4, and 1.90≤δ≤2.10. 2. The compound of claim 1 , wherein 0<y≤0.25. 3. The compound of claim 1 , wherein 0.02≤y≤0.06. 4. The compound of claim 1 , wherein 0.05≤y≤0.09. 5. The compound of claim 1 , wherein 0.08≤y≤0.12. 6. The compound of claim 1 , wherein 0.14≤y≤0.18. 7. The compound of claim 1 , wherein 0.20≤y≤0.25. 8. A cathode active material comprising the compound of claim 1 . 9. A cathode comprising a cathode current collector and the cathode active material according to claim 8 disposed over the cathode current collector. 10. A battery cell comprising: an anode comprising an anode current collector and an anode active material disposed over the anode current collector and the cathode of claim 9 . 11. A portable electronic device comprising: the battery cell of claim 10 .
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by IR- or Raman-data · CPC title
Powder tap density · CPC title
by d-values or two theta-values, e.g. as X-ray diagram · CPC title
Electric properties · CPC title
of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy · CPC title
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- What does patent US11462736B2 cover?
- A compound represented by LiaCo(1-x-2y)Mex(M1M2)yOδ, (Formula (I)) wherein Me, is one or more of Li, Mg, Al, Ca, Ti, Zr, V, Cr, Mn, Fe, Ni, Cu, Zn, Ru and Sn, and wherein 0≤x≤0.3, 0<y≤0.4, 0.95≤α≤1.4, and 1.90≤δ≤2.10 is disclosed. Further, particles including such compounds are described.
- Who is the assignee on this patent?
- Apple 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 04 2022 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 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).