Positive electrode active material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus
US-2024429384-A1 · Dec 26, 2024 · US
Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same
US9105928B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105928-B2 |
| Application number | US-201213684948-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 26, 2012 |
| Priority date | Nov 25, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A positive active material for a rechargeable lithium battery may include a solid solution represented by Chemical Formula 1. x Li 2 MnO 3 .(1− x )LiMO 2 [Chemical Formula 1] In Chemical Formula 1, 0.1≦x≦0.6, and M and may be a metal composite compound represented by Chemical Formula 2. Mn a Co b Ni c . [Chemical Formula 2] In Chemical Formula 2, 0.3≦a≦0.5, 0.05≦b≦0.3, 0.3≦c≦0.55, and a+b+c=1.
First claim
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What is claimed is: 1. A positive active material for a rechargeable lithium battery, comprising: a solid solution represented by Chemical Formula 1, the solid solution including primary particles and a secondary particle, the primary particles having a number average particle diameter of about 0.5 μm or more, x Li 2 MnO 3 .(1 −x ) LiMO 2 [Chemical Formula 1] wherein, in Chemical Formula 1, 0.2≦x≦0.5, and M is a metal composite Compound represented by Chemical Formula…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
Chemistry & Metallurgy · mapped topic
Electricity · mapped topic
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- What does patent US9105928B2 cover?
- A positive active material for a rechargeable lithium battery may include a solid solution represented by Chemical Formula 1. x Li 2 MnO 3 .(1− x )LiMO 2 [Chemical Formula 1] In Chemical Formula 1, 0.1≦x≦0.6, and M and may be a metal composite compound represented by Chemical Formula 2. Mn a Co b Ni c . [Chemical Formula 2] In Chemical Formula 2, 0.3≦a≦0.5, 0.05≦b≦0.3, 0.3…
- Who is the assignee on this patent?
- Nakano Masatsugu, Samsung Sdi Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/505. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).