SKU: 57894899381

Co3O4 nanoparticles

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Description

Co3O4 nanoparticlesProduct Name NameCo3O4 nanoparticles Product Overview Cobalt tetroxide belongs to transition metal oxides, which are in powder form and generally appear gray black or black in color. Its molecular weight is 240. 8, density is 6. 11cm2 g, and melting point is 895 C At room temperature, cobalt trioxide material is insoluble in water. When the temperature reaches above 900 C cobalt trioxide (Co3O4) decomposes into cobalt trioxide (Co2O3) and cobalt oxide

Product Name

Name:Co3O4 nanoparticles

 

 

Product Overview

Cobalt tetroxide belongs to transition metal oxides, which are in powder form and generally appear gray black or black in color. Its molecular weight is 240.8, density is 6.11cm2/g, and melting point is 895 ¡ãC At room temperature, cobalt trioxide material is insoluble in water. When the temperature reaches above 900 ¡ãC cobalt trioxide (Co3O4) decomposes into cobalt trioxide (Co2O3) and cobalt oxide (CoO), and the final products will stabilize into CoO. Meanwhile, cobalt trioxide is also a p-type semiconductor and antiferromagnetic material with a bandgap width of 1.5 eV. Co3O4 is a spinel type oxide with a lattice parameter of approximately 0.809nm. There are three methods for preparing cobalt trioxide based on the physical state of the required cobalt source: solid-phase method, gas-phase method, and liquid-phase method.


Technical Parameter

Status:Black powder

Diameter:10-40 nm(TEM:/span>

Magnetism:Non-Magnetic

 

Product Features

 

Electrochemical catalytic activity: Nano cobalt oxide exhibits excellent performance in the field of electrochemical catalysis, with good stability and high efficiency. It can be used as a catalyst for oxygen reduction reactions and hydrogen oxidation reactions, and is used in energy conversion technologies such as water splitting and fuel cells. Magnetism: Cobalt trioxide nanoparticles have magnetism, which makes them widely applicable in fields such as magnetic materials and magnetic storage devices. Photocatalytic performance: Nano cobalt oxide also has potential in the field of photocatalysis, which can catalyze the photolysis of water to produce hydrogen using sunlight or artificial light sources, providing a new solution for solar water splitting and sustainable energy. Gas sensitivity performance: Nano cobalt trioxide is sensitive to various gases and can be used in gas sensors and gas analysis fields, such as carbon dioxide sensors and toxic gas detectors. Enzyme like properties: Studies have shown that cobalt oxide nanoparticles exhibit peroxidase like and catalase like activity, which makes them potentially valuable in fields such as biosensing, disease diagnosis, and treatment.


Application Fields

 

Electrochemical catalyst: Nano cobalt trioxide has a wide range of applications in the field of electrochemical catalysis, such as catalysts used in energy conversion technologies such as fuel cells and water splitting. Lithium ion battery: Nano cobalt oxide can be used as a positive electrode material for lithium-ion batteries, with high specific capacity and good cycling performance, suitable for fields such as electric vehicles and rechargeable devices. Gas sensitive materials: Due to their sensitivity to various gases, nano cobalt oxide can be used in gas sensors and gas analysis fields, such as monitoring air quality and detecting toxic gases. Magnetic materials: By utilizing their magnetic properties, nano cobalt oxide can be used in fields such as magnetic data storage, magnetic sensors, and magnetic fluids. Biosensing: Based on its enzyme like properties, nano cobalt trioxide can be used in the field of biosensing, such as detecting biomolecules, disease markers, etc.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 57894899381

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Y
Dallas, US
★★★★★ 4
It holds the phone pretty well!
Updated review: I gave this another try and it worked, the reason was previously I was rotating the nob in the wrong direction... now it fits pretty well and stays in the installed position securely! But I'm still worried about the added pressure on the display, hopefully it works fine. Overall I think it's worth a try if you need a magnetic phone holder! (ps: I was never contacted by the manufacture, I figured out the correct way to use it so I came here to update my review) --- Original title: Doesn't fit my Model 3 display too well, and it adds pressure on it. I wouldn't recommend it Original review: I don't understand all the positive reviews of this MagSafe holder. It could work, but I find it very unstable on my Model 3 2023's display. After I fit it onto the display and tried adjusting the angles or taking off the phone, the holder tended to fall off. Also it adds pressure to the display which could technically damage it. I wouldn't recommend this.
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Reviewed in the United States on May 22, 2024
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Marco mendoza
Phoenix, US
★★★★★ 5
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Reviewed in the United States on December 21, 2025
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helen
Dallas, US
★★★★★ 1
not holding up well
It was a great idea and kinda worked for few weeks.. but every time I have to jiggle a bit to get my phone off from magnet or try to adjust the angle, the whole system comes off.. and now all the supporting sponges came off.. I tried to fix and reuse but didn't last at all.. it comes off too easily from the car monitor.
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Reviewed in the United States on December 27, 2024
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Tutu the Giant
Houston, US
★★★★★ 5
So Much Worth It!
This phone holder works so well! It is sturdy and hold on pretty tight. Very easy to put the phone on and off the holder. It even protects the screen so well with the little corner protection foam! Five out of five stars!
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Reviewed in the United States on December 5, 2024
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Misha2219
Pawtucket, US
★★★★★ 5
Works on 2025 Ford Escape
Size: Upgrade - For Model Y Juniper/Model Y/Model 3
I have searched, read reviews, ordered other items hoping they would work for my 2025 Ford escape. I attached it to the back of my screen. It works great! Holds my Samsung S25 ultra perfectly.
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Reviewed in the United States on March 22, 2026

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