Chip form ultracapacitor
US-12165808-B2 · Dec 10, 2024 · US
Negative electrode for asymmetric supercapacitor having a positive electrode based on nickel hydroxide and an alkaline electrolyte and method for making same
US9502185B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9502185-B2 |
| Application number | US-201213481005-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 25, 2012 |
| Priority date | May 27, 2011 |
| Publication date | Nov 22, 2016 |
| Grant date | Nov 22, 2016 |
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Abstract
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The object of the invention is an electrode comprising a continuous current collector (1) wherein 50% or more of the surface of said collector has a roughness Ra1 comprised between 0.8 and 15 μm, measured for a base length comprised between 2 and 200 μm, said collector being coated with a mixture (2) comprising active carbon having a specific surface area greater than or equal to 500 m 2 /g and a binder comprising a mixture of at least one cellulosic compound and at least one styrenic copolymer. The object of the invention is also an asymmetric supercapacitor comprising at least one electrode according to the invention. The invention also relates to a method for making a carbon electrode for an asymmetric supercapacitor.
First claim
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The invention claimed is: 1. An asymmetric supercapacitor comprising: a) at least one positive electrode comprising a nickel-based hydroxide and one nickel-based current collector; b) at least one negative electrode comprising a continuous current collector wherein 50% or more of the surface of said collector exhibits a roughness Ra1 comprised between 0.8 and 15 μm, measured for a base length comprised between 2 and 200 μm, said collector being coated with a mixture comprising:…
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- What does patent US9502185B2 cover?
- The object of the invention is an electrode comprising a continuous current collector (1) wherein 50% or more of the surface of said collector has a roughness Ra1 comprised between 0.8 and 15 μm, measured for a base length comprised between 2 and 200 μm, said collector being coated with a mixture (2) comprising active carbon having a specific surface area greater than or equal to 500 m 2 /g and…
- Who is the assignee on this patent?
- Chevalier Stéphanie, Dendary Mélanie, Desprez Philippe, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H01G11/28. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 22 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).