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US-12183924-B2 · Dec 31, 2024 · US
Secondary battery
US9508973B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9508973-B2 |
| Application number | US-63373809-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 8, 2009 |
| Priority date | May 25, 2004 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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An electrode assembly for a secondary battery comprising an adiabatic layer attached to the negative electrode layer is disclosed. The electrode assembly comprises a positive electrode layer having a positive electrode collector, a positive electrode coating, and a non-coated area on the positive electrode collector. The negative electrode layer has a negative electrode collector, a negative electrode coating, and a non-coated area on the negative electrode collector. A separator insulates the positive and negative electrode layers. Positive and negative electrode tabs are attached to the non-coated areas of the positive and negative electrode collectors. The negative electrode layer has an adiabatic layer attached to the surface of a non-coated area of the negative electrode collector that is opposite the surface to which the negative electrode tab is attached. This construction improves battery stability and prevents short circuits caused either by heat generated during overcharging or by an internal short circuit.
First claim
Opening claim text (preview).
What is claimed is: 1. An electrode assembly for a secondary battery, the electrode assembly comprising: a positive electrode layer comprising a positive electrode collector and a positive electrode coating coated on a portion of the positive electrode collector, the positive electrode collector having at least one uncoated portion having a first dimension between an end of the positive electrode collector and an end of the positive electrode coating and a second dimension having…
Assignees
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Classifications
- H01M4/13Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9508973B2 cover?
- An electrode assembly for a secondary battery comprising an adiabatic layer attached to the negative electrode layer is disclosed. The electrode assembly comprises a positive electrode layer having a positive electrode collector, a positive electrode coating, and a non-coated area on the positive electrode collector. The negative electrode layer has a negative electrode collector, a negative el…
- Who is the assignee on this patent?
- Kim Cheon Soo, Samsung Sdi Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/13. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 29 2016 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).