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US-12183924-B2 · Dec 31, 2024 · US
Electroactive material, and use thereof in anodes for lithium-ion cells
US8992801B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8992801-B2 |
| Application number | US-201013262453-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 1, 2010 |
| Priority date | Apr 3, 2009 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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The present invention relates to a novel electroactive material which comprises a graphitic carbon phase C and a (semi)metal phase and/or a (semimetal) oxide phase (MO x phase) and also to the use of the electroactive material in anodes for lithium ion cells. The invention further relates to a process for producing such materials. The electroactive material comprises: a) a carbon phase C; b) at least one MO x phase, where M is a metal or semimetal, x is from 0 to <k/2, where k is the maximum valence of the metal or semimetal. In the electroactive material of the invention, the carbon phase C and the MO x phase form essentially co-continuous phase domains, with the average distance between two neighboring domains of identical phases being not more than 10 nm, in particular not more than 5 nm and especially not more than 2 nm.
First claim
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The invention claimed is: 1. An electroactive material comprising: a) a carbon phase C; b) at least one MO x phase, where M is a metal or semimetal, x is from 0 to ≦k/2, where k is the maximum valence of the metal or semimetal; wherein the carbon phase C and the MO x phase form essentially co-continuous phase domains, with the average distance between two neighboring domains of identical phases being not more than 10 nm. 2. The electroactive material ac…
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Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US8992801B2 cover?
- The present invention relates to a novel electroactive material which comprises a graphitic carbon phase C and a (semi)metal phase and/or a (semimetal) oxide phase (MO x phase) and also to the use of the electroactive material in anodes for lithium ion cells. The invention further relates to a process for producing such materials. The electroactive material comprises: a) a carbon phase C;…
- Who is the assignee on this patent?
- König Hannah Maria, Bramnik Kirill, Lange Arno, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01M4/587. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 31 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).