SKU: 31129819211

Carboxylic Double walled carbon nanotubes

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Description

Carboxylic Double walled carbon nanotubesProduct Name NameCarboxylic Double walled carbon nanotubes Product Overview Double walled carbon nanotubes (DWNTs) can be seen as a nano tube structure composed of two coaxial graphite sheets coiled together, with a layer spacing of about 0. 34nm, a diameter generally between 2 4nm, and a length of several micrometers. Performance characteristics: It has good mechanical properties, such as high strength and high modulus; Has good electrical

Product Name

Name:Carboxylic Double walled carbon nanotubes


Product Overview

Double walled carbon nanotubes (DWNTs) can be seen as a nano tube structure composed of two coaxial graphite sheets coiled together, with a layer spacing of about 0.34nm, a diameter generally between 2-4nm, and a length of several micrometers.

Performance characteristics: It has good mechanical properties, such as high strength and high modulus; Has good electrical properties, such as high conductivity and semiconductor characteristics; Has high thermal conductivity; Has a large specific surface area.

Application areas: It has potential applications in composite materials, electronic devices, energy storage and conversion, sensors, and other fields. For example, it can be used to enhance the mechanical and electrical properties of composite materials; Can be used in electronic devices to manufacture transistors, sensors, etc; In the energy field, it can be used for supercapacitors, lithium-ion batteries, etc.


Technical Parameter

OD:-4 nm

Purity:gt;60%

Length:.5-2 um

-COOH Content:.58wt%

SSA:gt;350m2/g

Tap density:.25g/cm3

True density:~2.1 g/cm3

EC:gt;100 s/cm


 

Product Features

Excellent mechanical properties: with extremely high strength and toughness. For example, its theoretical strength can reach tens or even hundreds of times that of steel.

Excellent electrical performance: can exhibit good conductivity, depending on aspect ratio, structure, and preparation method.

Good thermal performance: high thermal conductivity, capable of effectively transferring heat.

Large specific surface area: This makes it potentially applicable in fields such as adsorption and catalysis.


Application Fields

1. Composite material reinforcement: Multi walled carbon nanotubes have high strength and toughness. Adding them to matrices such as plastics, rubber, and metals can significantly improve the mechanical properties of the material, such as strength and stiffness. For example, grafting carbon nanotubes onto the surface of carbon fibers to obtain a multi-level structure can enhance the interfacial interaction with organic matrices and the mechanical properties of composite materials.

2. Electronic devices: Although their conductivity is not as single and excellent as single-walled carbon nanotubes, they still have good conductivity and can be used to manufacture high-performance conductive inks, sensors, flexible displays, and other electronic devices.

3. Electrode materials: Can be used as electrode materials for lithium-ion batteries and supercapacitors to improve energy storage and power output capabilities.

4. Catalysts and catalyst carriers: They can serve as catalysts themselves. It can also serve as a catalyst carrier, providing more active sites for catalytic reactions and enhancing catalytic performance due to its large specific surface area and unique structure. For example, acidified multi walled carbon nanotubes can be used as carriers to load composite inorganic salts, resulting in solid acid catalysts with superior catalytic effects than single component iron sulfate.

5. Energy field: In addition to the applications mentioned earlier in batteries, it can also be applied to hydrogen storage materials. The unique hollow structure and nanometer diameter of carbon nanotubes provide favorable conditions for hydrogen storage.

6. Absorbing materials: They have a certain ability to absorb electromagnetic waves and can be used to prepare absorbing materials. They have potential applications in military stealth, electromagnetic shielding, and other fields.

7. In the field of biomedicine: Its unique hollow structure and nanometer diameter can provide space for accommodating drugs, achieve high drug loading, and can pass through cell membranes and various biological barriers to deliver drugs to the inside of cells. In addition, it can effectively reduce the release rate of drugs and improve the sustained release effect.

8. Research field: commonly used in various scientific studies to help researchers explore the properties and potential applications of nanomaterials.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

 

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SKU: 31129819211

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chi2chi
Louisville, US
★★★★★ 5
Works great for 2013 Toyota RAV4
Fit my 2013 Toyota RAV4 perfectly. Easy to install. Well made full HEPA filter with carbon layer. As good as the expensive filters I use in my home. Have not had chance to see how well it works during spring allergy season yet, but I expect that it will do great.
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Reviewed in the United States on March 21, 2026
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ChillinHoss
Louisville, US
★★★★★ 5
Best cabin filter I've ever used...
After my girlfriend dumped a container of Italian beef juice onto the passenger side floor mat and having it soak into the floor mat and the carpeting, it left my new car stinking of Beef gravy. I bought this to hopefully extract the annoying and horrible smell from my car. The filter is perfectly made and fit with exacting precision and minimal effort. If is well built and of superb quality, materials. The bright white cartridge style top side is pleated for maximum air to filter contact. The other side has these wonderful beads of activated charcoal/carbon that are for absorbing odors. As soon as I installed it and turned on my ventilation/ AC/Heat, I could smell the clean filter and also a sense of cleaner air. Hoping this will do the job in time!!
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Reviewed in the United States on July 17, 2023
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Philippians 4:13
Phoenix, US
★★★★★ 5
Nice filter
Easy to install great price
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Reviewed in the United States on May 17, 2026
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Ridge
Bozeman, US
★★★★★ 4
Good Fit & Fresh Air, But Slightly Reduced Airflow
I recently installed this cabin air filter in my 2024 4Runner, and it fits perfectly. It does a great job of filtering out the dusty Las Vegas air, leaving the cabin smelling fresh. However, I did notice a slight reduction in Airflow, on the highest blower setting, it feels like the output is about 25% lower than usual. It’s still early to tell how it will perform long term, but so far, it's doing its job well. If you prioritize air quality over maximum airflow, this is a solid choice at a good price too!
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Reviewed in the United States on March 2, 2025
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Roger M. Brown PhD
Grantham, US
★★★★★ 5
Filter fits well into cabin filter compartment of 2011 Toyota Avalon Limited.
Fits easily into my cabin filter slot of my 2011 Toyota Avalon Limited. It has performed well after a month of use. The design of this filter appears to be superior to the filters that are utilized at the Toyota dealer. The filter was easy to install via the back of the glove compartment.
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Reviewed in the United States on March 5, 2026

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