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Anode material carbon-coated silicon powder
  • Anode material carbon-coated silicon powder

Anode material carbon-coated silicon powder

The coated silicon-carbon anode material is carbon coated with silicon materials with different nanostructures. The carbon layer mainly serves as a buffer layer to reduce the volume effect and enhance conductivity.
Purity: Silicon-95%, Carbon-5%
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Overview of Anode Material Carbon-coated Silicon Micropowder:

The coated silicon-carbon negative electrode material is usually carbon-coated silicon material with different nanostructures. This material uses silicon as the main body to provide reversible capacity, and the carbon layer is mainly used as a buffer layer to reduce the volume effect and enhance conductivity. The carbon coating is usually amorphous carbon. Silicon anode materials have problems such as low cycle life, large volume changes, and continuous generation of SEI films. Silicon carbon anode materials can effectively improve these problems. Therefore, silicon carbon anode materials will be the focus of the development of cathode materials. In the future, a complete surface coating is important to prevent silicon from contacting the electrolyte, leading to the depletion of the thick SEI film.

The mechanism of carbon coating is that the volume expansion of Si is shared by graphite and amorphous coating, which avoids the expansion of the anode material due to huge volume changes and stress during the intercalation and dilithium process. The role of the carbon coating is: (1) Constrain and buffer the volume expansion of the active center; (2) Prevent the agglomeration of nano-active particles; (3) Prevent the electrolyte from penetrating into the center to maintain a stable interface and SEI (4) Contribution of silicon material High specific capacity, carbon material contributes high conductivity.

Carbon-coated silicon powder has the characteristics of high capacity, high initial efficiency, long cycle, low expansion, excellent processing performance and rate performance, and it is well matched with the existing graphite anode system.

The preparation process of silicon carbon anode material includes ball milling, high temperature cracking, chemical vapor deposition, sputtering deposition and evaporation. Therefore, a variety of silicon-carbon material structures have been produced, but they are all designed with the idea of increasing the capacity of lithium batteries and reducing the expansion and fragmentation of silicon particles.

Application of anode material carbon-coated silicon powder:

What is the scope of application of carbon-coated silicon powder for anode material?

Carbon-coated silicon powder is used in cylindrical batteries, flexible packaging batteries and batteries with aluminum casings.

As a new type of lithium-ion battery anode material, silicon carbon anode can play a more significant role in improving battery energy density than current graphite anodes. However, due to its high application threshold, it is still in the early stage of industrialization. At present, the application prospects of silicon carbon anode materials are getting brighter and brighter.

The price of anode material carbon-coated silicon micropowder:

The price of carbon-coated silicon powder varies randomly with factors such as production costs, transportation costs, international conditions, exchange rates, and supply and demand in the carbon-coated silicon powder market. Tanki New Materials Co., Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for carbon-coated silicon micro-powder materials, please feel free to contact to get the latest price of carbon-coated silicon micro-powder.

Supplier of anode material carbon-coated silicon micropowder:

As a global carbon-coated silicon micropowder supplier, Tanki New Materials Co., Ltd. has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (titanium silicide, tantalum silicide, zirconium silicide, etc.). High-purity targets, functional ceramics and structural devices, and provide OEM services.


Hot Tags: Anode material carbon-coated silicon powder, manufacturers, suppliers, factory, Customized
Technical Parameter of Anode Material Carbon-coated Silicon Powder :
Product NameSSAParticle SizeFirst Discharge CapacityFirst Charge CapacityFirst Discharge Efficiency
 Carbon-coated Silicon 23.5 m2/g1.59um2474.5 mAH/g2173.3 mAH/g87.80%


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Tanki New Materials Co.Ltd Aims to help All industries and Chemical Wholesalers to find high quality, cheap price nano materials and chemicals by providing turn-key customize manufacturing services.

As a trust-worthy global nano-materials and chemicals manufacturer, Tanki New Materials Co.Ltd has been successfully supplying big and small brands with customized nano materials and chemical products in bulk or small quantities.

Tanki New Materials Co.Ltd has rich experiences in the properties, applications, and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metal, etc.), high-purity targets, functional ceramics, and structural devices. OEM service is available.

Our innovative, high-performance materials are widely used in many industries, including but not limited to the automotive, electrical, electronics, information technology, petrochemical, oil, ceramics, paint, metallurgy, solar energy, and catalysis.

Based in the center of China, the company has rich resources and chemical product manufacuturing chains to make sure your cost remain as low as your specifications demand.

The company provides following products such as providing super high quality chemicals and Nano materials such as graphite powder, boron powder , zinc sulfide , nitride powder, Calcium nitride, Ca3N2, 3D printing powder, and so on.

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