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Anode active material for use in lithium secondary battery
US9196899B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9196899-B2 |
| Application number | US-201113814097-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 5, 2011 |
| Priority date | Aug 5, 2010 |
| Publication date | Nov 24, 2015 |
| Grant date | Nov 24, 2015 |
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Abstract
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An anode active material for use in a lithium secondary battery including a mixture of graphite I that has, according to X-ray powder diffraction, d 002 of not smaller than 0.3354 nm and not greater than 0.337 nm, Lc(004) of smaller than 100 nm, La(110) of not smaller than 100 nm, and a half width of the peak of a plane (101) at a diffraction angle (2θ) of 44 degrees to 45 degrees of not smaller than 0.65 degree and another graphite so as to have, according to X-ray powder diffraction, d 002 of not smaller than 0.3354 nm and not greater than 0.337 nm, Lc(004) of not smaller than 80 nm, La(110) of not smaller than 100 nm, and a half width of the peak of a plane (101) at a diffraction angle (2θ) of 44 degrees to 45 degrees of not smaller than 0.5 degree.
First claim
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The invention claimed is: 1. An anode active material for use in a lithium secondary battery which comprises a mixture of two or more species of graphite, in which the mixture is, according to X-ray powder diffraction, not smaller than 0.3354 nm and not greater than 0.337 nm in d 002 , not smaller than 80 nm in Lc(004), not smaller than 100 nm in La(110), and not smaller than 0.5 degree in a half width of the peak of a plane (101) at a diffraction angle (2θ) of 44 degrees to…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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- What does patent US9196899B2 cover?
- An anode active material for use in a lithium secondary battery including a mixture of graphite I that has, according to X-ray powder diffraction, d 002 of not smaller than 0.3354 nm and not greater than 0.337 nm, Lc(004) of smaller than 100 nm, La(110) of not smaller than 100 nm, and a half width of the peak of a plane (101) at a diffraction angle (2θ) of 44 degrees to 45 degrees of not small…
- Who is the assignee on this patent?
- Sotowa Chiaki, Tamura Takahiro, Showa Denko Kk
- What technology area does this patent fall under?
- Primary CPC classification H01M4/133. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 24 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).