Cathode active material for lithium ion battery, cathode for lithium ion battery, and lithium ion battery
US-9224515-B2 · Dec 29, 2015 · US
Anode active material and battery
US8993166B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8993166-B2 |
| Application number | US-2659408-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 6, 2008 |
| Priority date | Feb 8, 2007 |
| Publication date | Mar 31, 2015 |
| Grant date | Mar 31, 2015 |
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Abstract
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A battery with the high capacity, the superior cycle characteristics, and the superior initial charge and discharge efficiency, and an anode active material used for it are provided. The anode active material contains at least tin, cobalt, carbon, and phosphorus as an element. A carbon content is from 9.9 wt % to 29.7 wt %, a phosphorus content is from 0.1 wt % to 2.2 wt %, and a cobalt ration to the total of the tin and the cobalt is from 24 wt % to 70 wt %.
First claim
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What is claimed is: 1. An anode active material comprising: (a) at least tin, cobalt, carbon, phosphorus, iron, and silicon; and (b) at least one of titanium or bismuth wherein, a carbon content is from and including 9.9 wt % to 29.7 wt %, a phosphorus content is from and including 0.5 wt % to 2.0 wt % a silicon content is from and including 0.5 wt % to 7.9 wt %, an iron content is from 0.1 wt % to 5.9 wt %, and a ratio of cobalt to the total of the tin and the cobalt…
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- H01M4/52Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US8993166B2 cover?
- A battery with the high capacity, the superior cycle characteristics, and the superior initial charge and discharge efficiency, and an anode active material used for it are provided. The anode active material contains at least tin, cobalt, carbon, and phosphorus as an element. A carbon content is from 9.9 wt % to 29.7 wt %, a phosphorus content is from 0.1 wt % to 2.2 wt %, and a cobalt ration …
- Who is the assignee on this patent?
- Mizutani Satoshi, Inoue Hiroshi, Kita Akinori, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01M4/52. 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).