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Electrode for power storage device, power storage device, and method for manufacturing electrode for power storage device
US2016079006A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016079006-A1 |
| Application number | US-201414889075-A |
| Country | US |
| Kind code | A1 |
| Filing date | May 7, 2014 |
| Priority date | May 7, 2013 |
| Publication date | Mar 17, 2016 |
| Grant date | — |
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- Title
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Abstract
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The electrode for the power storage device includes carbon nanotubes, an ionic liquid, and a three-dimensional network metal porous body having a plurality of pore portions filled with the carbon nanotubes and the ionic liquid, wherein, in pore portions exposed at a surface of the three-dimensional network metal porous body, of the plurality of pore portions, a ratio (d/D) between a pore portion diameter (D) in a first direction within the surface of the three-dimensional network metal porous body and a pore portion diameter (d) in a second direction orthogonal to the first direction within the surface of the three-dimensional network metal porous body is in a range of 0<d/D<1, and pore portions in said range account for more than or equal to 95% and less than or equal to 100% of the pore portions exposed at the surface.
First claim
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1 . An electrode for a power storage device, comprising: carbon nanotubes; an ionic liquid; and a three-dimensional network metal porous body having a plurality of pore portions filled with said carbon nanotubes and said ionic liquid, wherein in pore portions exposed at a surface of said three-dimensional network metal porous body, of said plurality of pore portions, a ratio (d/D) between a pore portion diameter (D) in a first direction within the surface of said three-dimensional network metal porous body and a pore portion diameter (d) in a second direction orthogonal to said first direction within the surface of said three-dimensional network metal porous body is in a range of 0<d/D<1, and pore portions in said range account for more than or equal to 95% and less than or equal to 100% of the pore portions exposed at said surface. 2 . The electrode for a power storage device according to claim 1 , wherein the ratio (d/D) between the pore portion diameter (D) in said first direction and the pore portion diameter (d) in said second direction is in a range of 0.3≦d/D≦0.8. 3 . The electrode for a power storage device according to claim 1 , wherein a length direction of said carbon nanotubes is substantially parallel to said first direction. 4 . A power storage device, comprising an electrode for a power storage device as recited in claim 1 . 5 . The power storage device according to claim 4 , formed by joining, to said three-dimensional network metal porous body, a tab lead which collects power in said first direction. 6 . A method for manufacturing an electrode for a power storage device, comprising the steps of: kneading carbon nanotubes and an ionic liquid to produce a kneaded material; and charging said kneaded material into pore portions of a three-dimensional network metal porous body having a plurality of pore portions, wherein in pore portions exposed at a surface of said three-dimensional network metal porous body, of said plurality of pore portions, a ratio (d/D) between a pore portion diameter (D) in a first direction within the surface of said three-dimensional network metal porous body and a pore portion diameter (d) in a second direction orthogonal to said first direction within the surface of said three-dimensional network metal porous body is in a range of 0<d/D<1, and pore portions in said range account for more than or equal to 95% and less than or equal to 100% of the pore portions exposed at said surface.
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Classifications
Physical characteristics, e.g. porosity, surface area · CPC title
Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
specially adapted for electrodes (carbonisation or activation of carbon for the manufacture of electrodes H01G11/34) · CPC title
of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx · CPC title
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- What does patent US2016079006A1 cover?
- The electrode for the power storage device includes carbon nanotubes, an ionic liquid, and a three-dimensional network metal porous body having a plurality of pore portions filled with the carbon nanotubes and the ionic liquid, wherein, in pore portions exposed at a surface of the three-dimensional network metal porous body, of the plurality of pore portions, a ratio (d/D) between a pore portio…
- Who is the assignee on this patent?
- Sumitomo Electric Industries, Meidensha Electric Mfg Co Ltd, Sumitomo Electric Industries
- What technology area does this patent fall under?
- Primary CPC classification H01G11/36. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Mar 17 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).