Packaging material for cell
US-2015155531-A1 · Jun 4, 2015 · US
Battery packaging material
US10121995B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10121995-B2 |
| Application number | US-201515512402-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 25, 2015 |
| Priority date | Sep 26, 2014 |
| Publication date | Nov 6, 2018 |
| Grant date | Nov 6, 2018 |
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- Title
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Abstract
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Provided is a battery packaging material that comprises a laminated body formed by sequentially stacking at least a base layer, a metal layer, and a sealant layer, and that has a thin overall thickness, and has excellent formability and piercing strength. This battery packaging material comprises a laminated body formed by sequentially stacking at least a base layer, a metal layer, and a sealant layer, with the overall thickness of the laminated body being 50-80 μm, and the ratio of the sum of the thicknesses of the base layer and the metal layer with respect to the overall thickness of the laminated body being in a range of 0.380-0.630.
First claim
Opening claim text (preview).
The invention claimed is: 1. A battery packaging material comprising a laminate having at least a base material layer, a metal layer and a sealant layer laminated in this order, wherein the base material layer comprises at least one of a polyester resin or a polyamide resin, a total thickness of the laminate is in a range of 50 to 80 μm, and a ratio of a sum of thicknesses of the base material layer and the metal layer to a total thickness of the laminate is in a range of 0.380 to 0.630. 2. The battery packaging material according to claim 1 , wherein a ratio of a thickness of the sealant layer to the total thickness of the laminate is in a range of 0.300 to 0.570. 3. The battery packaging material according to claim 1 , wherein the thickness of the base material layer is in a range of 9 to 25 μm, the thickness of the metal layer is in a range of 15 to 30 μm, and the thickness of the sealant layer is in a range of 22 to 35 μm. 4. The battery packaging material according to claim 1 , wherein the base material layer is a biaxially stretched nylon film or a biaxially stretched PET film. 5. The battery packaging material according to claim 1 , wherein the metal layer is formed of aluminum foil. 6. A battery comprising a battery element including at least a positive electrode, a negative electrode and an electrolyte, the battery element being stored in the battery packaging material according to claim 1 . 7. A method for producing a battery, the method comprising: a step of storing in a battery packaging material a battery element including at least a positive electrode, a negative electrode and an electrolyte, wherein the battery packaging material includes a laminate having at least a base material layer, a metal layer and a sealant layer laminated in this order, the base material layer comprises at least one of a polyester resin or a polyamide resin, a total thickness of the laminate is in a range of 50 to 80 μm, and a ratio of a sum of thicknesses of the base material layer and the metal layer to a total thickness of the laminate is in a range of 0.380 to 0.630. 8. A method of using a battery packaging material, the method comprising: a step of hermetically sealing a battery element including at least a positive electrode, a negative electrode and an electrolyte within the battery packaging material, wherein the battery packaging material includes a laminate having at least a base material layer, a metal layer and a sealant layer laminated in this order, the base material layer comprises at least one of a polyester resin or a polyamide resin, a total thickness of the laminate is in a range of 50 to 80 μm, and a ratio of a sum of thicknesses of the base material layer and the metal layer to a total thickness of the laminate is in a range of 0.380 to 0.630.
Assignees
Inventors
Classifications
Packaging equipment or accessories not otherwise provided for · CPC title
comprising acrylic (co)polymers · CPC title
Metallic coating · CPC title
3 layers · CPC title
comprising polyimides · CPC title
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Frequently asked questions
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- What does patent US10121995B2 cover?
- Provided is a battery packaging material that comprises a laminated body formed by sequentially stacking at least a base layer, a metal layer, and a sealant layer, and that has a thin overall thickness, and has excellent formability and piercing strength. This battery packaging material comprises a laminated body formed by sequentially stacking at least a base layer, a metal layer, and a sealan…
- Who is the assignee on this patent?
- Dainippon Printing Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B32B15/08. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Nov 06 2018 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).