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Lithium-ion secondary cell and method for manufacturing same
US9166247B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9166247-B2 |
| Application number | US-201113985601-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 18, 2011 |
| Priority date | Feb 18, 2011 |
| Publication date | Oct 20, 2015 |
| Grant date | Oct 20, 2015 |
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Abstract
Official abstract text for this publication.
The cell has a wound electrode assembly 50 including a positive electrode 64 and a negative electrode 84 that are wound with a separator 90 interposed therebetween, and a liquid electrolyte, wherein the negative electrode includes an elongated negative electrode current collector 82 , and a negative electrode mixture layer 88 that is formed on the negative electrode current collector and contains at least a graphite material 85 . The graphite material in the negative electrode mixture layer is arranged such that the (002) plane 85 A of at least 50 mass % of the graphite material is perpendicular to the surface of the negative electrode current collector and parallel to the longitudinal direction of the elongated negative electrode current collector.
First claim
Opening claim text (preview).
The invention claimed is: 1. A lithium-ion secondary cell comprising a wound electrode assembly including a positive electrode and a negative electrode that are wound with a separator interposed therebetween; and a liquid electrolyte, wherein the negative electrode includes an elongated negative electrode current collector, and a negative electrode mixture layer that is formed on the surface of the negative electrode current collector and contains at least a graphite material, and…
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Electricity · mapped topic
Electricity · mapped topic
- H01M4/133Primary
Electricity · mapped topic
Electricity · mapped topic
- H01M10/0431Primary
Electricity · mapped topic
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- What does patent US9166247B2 cover?
- The cell has a wound electrode assembly 50 including a positive electrode 64 and a negative electrode 84 that are wound with a separator 90 interposed therebetween, and a liquid electrolyte, wherein the negative electrode includes an elongated negative electrode current collector 82 , and a negative electrode mixture layer 88 that is formed on the negative electrode current collector…
- Who is the assignee on this patent?
- Hagiwara Hideki, Toyota Motor Co Ltd
- 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 Oct 20 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).