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
Negative active material, and negative electrode and lithium battery each including the negative active material
US9105922B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105922-B2 |
| Application number | US-201314134313-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 19, 2013 |
| Priority date | Feb 15, 2013 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.
First claim
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What is claimed is: 1. A negative active material, comprising: a composite core particle comprising a carbonaceous base, and a metal or metalloid nanostructure on the carbonaceous base; and a coating layer formed on at least part of the composite core particle and comprising a metal oxide coating layer and an amorphous carbonaceous coating layer, wherein the metal oxide coating layer is disposed on the composite core particle, and the amorphous carbonaceous coating layer is di…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US9105922B2 cover?
- A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating…
- Who is the assignee on this patent?
- Samsung Sdi Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/366. 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).