Lithium secondary battery and manufacturing method of the same
US-2016293941-A1 · Oct 6, 2016 · US
Cathode active materials for lithium-ion batteries
US11870069B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11870069-B2 |
| Application number | US-201816178304-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 1, 2018 |
| Priority date | Mar 14, 2016 |
| Publication date | Jan 9, 2024 |
| Grant date | Jan 9, 2024 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.
First claim
Opening claim text (preview).
We claim: 1. A compound of Formula (VII): Li α Co 1−x−y M y Mn x O δ (VII) wherein M is Al, 0.95≤α≤1.00, 0.001≤x≤0.07, 0<y≤0.05, and 1.98≤δ≤2.04. 2. The compound according to claim 1 , wherein 0.95≤α≤0.98. 3. The compound according to claim 1 , wherein 0.01≤y≤ 0 . 03 . 4. The compound according to claim 1 , wherein 0.02≤y≤ 0 . 03 . 5. The compound according to claim 1 , wherein 0.002≤y≤ 0 . 004 . 6. The compound of claim 1 , wherein 0.002≤y≤ 0 . 005 . 7. The compound of claim 1 , wherein M is in an amount of at least 2000 ppm. 8. The compound of claim 1 , wherein M is in an amount of at least 900 ppm. 9. The compound of claim 1 , wherein M is in an amount of at least 500 ppm.
Assignees
Inventors
Classifications
- H01M4/525Primary
of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy · CPC title
Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx · CPC title
for non-aqueous cells (H01M4/525 takes precedence) · CPC title
- H01B1/08Primary
oxides · CPC title
involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11870069B2 cover?
- Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials 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 Jan 09 2024 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).