Few layer graphene (also known as carbon two-dimensional material) is an innovative new material. It has an atomic thickness and can be used for atomic thickening. You can use it as a lithium-battery anode material.
Purity: 99%
About Many Layers of Graphene in the Lithium Batterie Anode Material : Structure and properties of graphene
Graphene is a two-dimensional sheet material composed of carbon atoms with good stability and electrical conductivity. Its structure is similar to graphite, but there are fewer layers, usually only a few to dozens of layers. Due to its unique two-dimensional structure, graphene has a high specific surface area and good electrochemical activity.
Graphene has excellent electrical conductivity, and its conductivity can reach more than 10^5 S/m. Graphene also has excellent mechanical strength and thermal stability, which can maintain stable performance at high temperatures.
The advantages of fewer layers of graphene as a harmful electrode material for lithium batteries
In lithium batteries, the negative electrode material is one of the key factors of battery performance. Fewer layers of graphene as a lithium battery anode material has the following advantages:
(1) High specific capacity: Graphene has a large specific surface area and can accommodate more lithium ions, so it has a high specific capacity. Experiments have shown that the capacity of low-layer graphene can reach more than 1500 mAh/g.
(2) Good electrochemical activity: graphene has good electrochemical activity and can achieve high energy and power density in the charge and discharge process.
(3) Long cycle life: Due to the stable structure of graphene, the structure changes little during charge and discharge, so it has a long cycle life.
(4) Good magnification performance: Graphene has excellent electrical conductivity and ion diffusion properties, so it has good magnification performance.
Technical Parameter of Anode Materials Few Layer Graphene CAS 103434398-0.
Product Name
CAS
Purity
SSA
Carbon atomic layers
Additional Impurities ( ppm
Few Layer Graphene
1034343-98-0
99%
>=350 m2/g
2-5
<1000
Production Method ofMany Layers of Graphene in the Lithium Batterie Anode Material:
Chemical vapor deposition
It is commonly used to prepare graphene with few layers. The method is to deposit carbon-containing gases (such as methane, ethylene, etc.) into two-dimensional graphene sheets on the substrate's surface through a catalyst at high temperatures. The low-layer graphene prepared by this method has higher quality, but the cost is high, and it isn't easy to achieve large-scale production.
Liquid phase stripping method
Liquid phase stripping is a relatively simple and low-cost method to prepare graphene with fewer layers. The method is to disperse the graphite or graphene oxide in a solvent and reduce the graphite or graphene oxide to graphene by reducing agent or electrochemical means. The low-layer graphene prepared by this method has a lower cost and better reversible capacity but shorter cycle life.
Reduced graphene oxide method
The reduced graphene oxide (RGO) method is commonly used to prepare graphene with few layers. The method is to reduce graphene oxide (GO) to carbon-carbon bonds under reducing agents (such as hydrogen, hydrazine hydrate, etc.) to obtain a few graphene layers. The low-layer graphene prepared by this method has better electrochemical properties, cycle life, and low cost.
Applicationes of Many Layers of Graphene in the Lithium Batterie Anode Material
:
Mobile device field
With the popularity of mobile devices and the continuous development of technology, the performance requirements for lithium batteries are increasing. Low-layer graphene has excellent electrochemical properties and cycle life, so it is widely used in mobile devices.
Due to the high conductivity and stability of the low-layer graphene, it can also improve the battery's charge and discharge rate performance, making the charging speed of mobile devices faster and more convenient to use.
Electric vehicle field
Low-layer graphene is also widely used in electric vehicles as a high-performance anode material for lithium batteries.
At the same time, fewer layers of graphene can also improve the safety and cycle life of lithium batteries, making the service life of electric vehicles longer and lower maintenance costs.
Energy storage field
The energy storage system is an integral part of modern power systems, which can adjust the power system load and improve the power system's stability. Energy storage systems usually use lithium batteries as energy storage media, and low-layer graphene is a high-performance lithium battery anode material. It also has a wide range of applications in energy storage.
In the energy storage field, applying low-layer graphene can improve the energy density and power density of energy storage batteries, thereby increasing the energy storage capacity and response speed of the energy storage system. At the same time, fewer layers of graphene can also improve the safety and cycle life of energy storage batteries, making the operation of energy storage systems more reliable and economical.
Storage Conditions of Anode Materials Few Layer Graphene CAS 1034343-9-0 :
Weakened layer graphene dispersion and usage performance will be affected. The product must be vacuum packed and kept in cool dry rooms. Additionally, it is important to avoid stressing the few layer graphene.
Shipping Anode Material Fewer Layer Graphene CAS 1034343-9-98-0 - Packing and shipping
Many types of packing exist, each one based on the number of layers graphene.
Few layers graphene packing
50g/bag or 100g/bag, 500g/bag, or as your request.
Only a few layers of graphene shipping
Mailing could take place by air or sea.