Method for producing carrier for electrode catalyst, precursor of carrier for electrode catalyst, and carrier for electrode catalyst, comprising same
US-12057587-B2 · Aug 6, 2024 · US
Electrode material, redox flow battery electrode, redox flow battery, and method for producing electrode material
US2016293970A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016293970-A1 |
| Application number | US-201415034372-A |
| Country | US |
| Kind code | A1 |
| Filing date | Nov 11, 2014 |
| Priority date | Nov 13, 2013 |
| Publication date | Oct 6, 2016 |
| Grant date | — |
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Abstract
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A redox flow battery includes: first carbon nanotubes having an average diameter of 100 nm or r core, and second carbon nanotubes having an average diameter of 30 nm or less, in which the second carbon nanotubes are adhered to surfaces of the first carbon nanotubes such that the second carbon nanotubes bridge between the plural first carbon nanotubes. Since the redox flow battery includes an electrode material and an electrode including the electrode material, the electromotive force and the charging capacity are high.
First claim
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1 . An electrode material comprising: first carbon nanotubes having an average diameter of 100 nm or more; and second carbon nanotubes having an average diameter of 30 nm or less, wherein the second carbon nanotubes are adhered to surfaces of the first carbon nanotubes such that the second carbon nanotubes bridge between the plural first carbon nanotubes. 2 . The electrode material according to claim 1 , wherein the second carbon nanotubes are entangled with the first carbon nanotubes. 3 . The electrode material according to claim 1 , wherein the average diameter of the first carbon nanotubes is 100 nm to 1000 nm. 4 . The electrode material according to claim 1 , wherein the average diameter of the second carbon nanotubes is 1 nm to 30 nm. 5 . The electrode material according to claim 1 , wherein an amount of the second carbon nanotubes added with respect to 100 parts by mass of the first carbon nanotubes is 1 part by mass to 20 parts by mass. 6 . The electrode material according to claim 1 , further comprising a water-soluble conductive polymer. 7 . A redox flow battery electrode comprising the electrode material according to claim 1 . 8 . A redox flow battery comprising the electrode according to claim 7 . 9 . A method for producing the electrode material being the electrode material according to claim 1 , the method comprising a step of mixing first carbon nanotubes having an average diameter of 100 nm or more and second carbon nanotubes having an average diameter of 30 nm or less with each other in a conductive polymer aqueous solution using a wet jet mill. 10 . The method for producing an electrode material according to claim 9 , wherein the mixing using the wet jet mill is performed at a pressure of 150 MPa or higher.
Assignees
Inventors
Classifications
- H01M4/96Primary
Carbon-based electrodes · CPC title
by recharging of redox couples containing fluids; Redox flow type batteries · CPC title
as mixture · CPC title
Organic host/matrix, e.g. lipid · CPC title
Energy storage/generating using nanostructure, e.g. fuel cell, battery · CPC title
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- What does patent US2016293970A1 cover?
- A redox flow battery includes: first carbon nanotubes having an average diameter of 100 nm or r core, and second carbon nanotubes having an average diameter of 30 nm or less, in which the second carbon nanotubes are adhered to surfaces of the first carbon nanotubes such that the second carbon nanotubes bridge between the plural first carbon nanotubes. Since the redox flow battery includes an el…
- Who is the assignee on this patent?
- Showa Denko Kk
- What technology area does this patent fall under?
- Primary CPC classification H01M4/96. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Oct 06 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).