Photoelectric conversion element and photoelectric conversion module
US-9208956-B2 · Dec 8, 2015 · US
Carbon nanotube water dispersion, conductive film, electrode, and solar cell
US11753553B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11753553-B2 |
| Application number | US-202017756051-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 16, 2020 |
| Priority date | Nov 28, 2019 |
| Publication date | Sep 12, 2023 |
| Grant date | Sep 12, 2023 |
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- Title
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Abstract
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Provided is a carbon nanotube water dispersion with which it is possible to form a conductive film that has excellent film strength and can cause a solar cell to display excellent conversion efficiency and reliability. The carbon nanotube water dispersion is for an electrode of a solar cell that includes an electrolyte solution containing a polar aprotic substance as a solvent and contains carbon nanotubes, a dispersant, a thickener, and water. The dispersant is soluble in the solvent and the thickener is insoluble in the solvent.
First claim
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The invention claimed is: 1. A carbon nanotube water dispersion for an electrode of a solar cell that includes an electrolyte solution containing a polar aprotic substance as a solvent, the carbon nanotube water dispersion comprising carbon nanotubes, a dispersant, a thickener, and water, wherein the dispersant is soluble in the solvent and the thickener is insoluble in the solvent. 2. The carbon nanotube water dispersion according to claim 1 , wherein the polar aprotic substance is one or more selected from the group consisting of acetonitrile, γ-butyrolactone, 3-methoxypropionitrile, and triethylene glycol monomethyl ether. 3. The carbon nanotube water dispersion according to claim 1 , wherein the dispersant and the thickener are each formed of a non-ionic polymer. 4. The carbon nanotube water dispersion according to claim 1 , wherein the dispersant is a copolymer of styrene and methoxy polyethylene glycol methacrylate. 5. A conductive film obtained using the carbon nanotube water dispersion according to claim 1 . 6. An electrode comprising the conductive film according to claim 5 . 7. A solar cell comprising the electrode according to claim 6 .
Assignees
Inventors
Classifications
- H01G9/2022Primary
characterized by he counter electrode · CPC title
- C09D5/24Primary
Electrically-conducting paints {(conductive materials H01B1/00)} · CPC title
Dye sensitized solar cells · CPC title
Carbon nanotubes · CPC title
macromolecular (C09D7/41-C09D7/48 take precedence) · CPC title
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- What does patent US11753553B2 cover?
- Provided is a carbon nanotube water dispersion with which it is possible to form a conductive film that has excellent film strength and can cause a solar cell to display excellent conversion efficiency and reliability. The carbon nanotube water dispersion is for an electrode of a solar cell that includes an electrolyte solution containing a polar aprotic substance as a solvent and contains carb…
- Who is the assignee on this patent?
- Zeon Corp
- What technology area does this patent fall under?
- Primary CPC classification H01G9/2022. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Sep 12 2023 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).