Cation-disordered oxides for rechargeable lithium batteries and other applications
US-2019088940-A1 · Mar 21, 2019 · US
Positive electrode active material for secondary battery, and secondary battery
US12322798B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12322798-B2 |
| Application number | US-202017773435-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 13, 2020 |
| Priority date | Oct 30, 2019 |
| Publication date | Jun 3, 2025 |
| Grant date | Jun 3, 2025 |
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Abstract
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This positive electrode active material is for a secondary battery and contains a lithium transition metal complex oxide. The lithium transition metal complex oxide is represented by general formula Li x Mn y Ni z Sb a O b F c (x+y+z+a≤b+c=2, 1≤x≤1.2, 0.4≤y≤0.8, 0≤z≤0.4, 0<a<0.01, and 1.8<b<2 are satisfied) and does not include Co.
First claim
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The invention claimed is: 1. A positive electrode active material for a secondary battery, the positive electrode active material comprising a lithium-transition metal composite oxide, the lithium-transition metal composite oxide represented by the general formula Li x Mn y Ni z Sb a O b F c wherein x+y+z+a≤b+c=2, 1≤≤1.2, 0.4≤y≤0.8, 0≤z≤0.4, 0<a<0.01, and 1.8<b<2 are satisfied, the lithium-transition metal composite oxide including no Co, wherein the general formula satisfies 0.002≤a≤0.005. 2. A secondary battery comprising: a positive electrode including the positive electrode active material for a secondary battery according to claim 1 ; a negative electrode; and an electrolyte.
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Classifications
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
Positive electrodes · CPC title
of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy · CPC title
Electric properties · CPC title
containing elements as dopants · CPC title
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- What does patent US12322798B2 cover?
- This positive electrode active material is for a secondary battery and contains a lithium transition metal complex oxide. The lithium transition metal complex oxide is represented by general formula Li x Mn y Ni z Sb a O b F c (x+y+z+a≤b+c=2, 1≤x≤1.2, 0.4≤y≤0.8, 0≤z≤0.4, 0<a<0.01, and 1.8<b<2 are satisfied) and does not include Co.
- Who is the assignee on this patent?
- Panasonic Ip Man Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification C01G53/50. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 03 2025 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).