Natural Coating Graphite Powder

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TT or LC
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100Ton kg/month

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                 1.Breif Introduction

Coated graphite is the ball of Spherical Graphite oxide via a variety of approaches and methods were coated with stable electrochemical properties of cathode materials.

 

   Crystalline flake graphite (or flake graphite for short) occurs as isolated, flat, plate-like particles with hexagonal edges if unbroken and when broken the edges can be irregular or angular

Amorphous graphite: very fine flake graphite is sometimes called amorphous in the trade.

 

                   2.Main Features

1.     Low irreversible capacity

2.     Good cycle life

3.     High capability volume technology

4.     Mature progressing technology

5.     The good compatibility with the electrolyte application Scope:  shell lithium batteries; cylindrical lithium batteries;

Polymer lithium batteries.

3.Specification

 

Item

Unit

Value

(D50)        Particle(D50)

µM

8-32

       Tap Density

g/cm3

≥1.10

      Surface Area

m2 /g

≤2.5

            Moisture

%

≤0.12

            Ash

%

≤0.10

    Fixed Carbon

%

≥99.95

      First Coulomb Efficiency

%

≥91

  First Discharge Capacity

mAh/g

≥350

        Cycle Life

500

    85%


4.FAQ

 

Q: Which knid of payment terms can you accept?

A: We can accept 30% prepayment, 70% payment before shippment. LC is also accepted

 

Q: Can you supply samples for us?
A: Yes we can send you sample with few quantity

Q: What is the delivery time?
A: One month since the payment will be received

 

Natural Coating Graphite Powder


 Natural Coating Graphite Powder

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Q:Why is the battery electrolyte more potassium hydroxide and sodium hydroxide is less used?
The solution of potassium hydroxide at a density of 1.25~1.27 (15 DEG C) is used at temperatures below -15. For the purpose of taking into account the low temperature performance and the charge holding capacity, the sealed nickel cadmium battery adopts an aqueous solution of potassium hydroxide with a density of 1.40 (15 DEG C). In order to increase the capacity and cycle life of battery, usually adding lithium hydroxide amount in the electrolyte (per litre of electrolyte and 15~20g).
Q:What's the conductivity of graphite powder, silver powder?
The resistivity of graphite is approximately (8~13) * 10-6.M at room temperature
Q:What is special graphite powder used in graphene?
Graphene special graphite powder is specially used for the development of graphene, graphene graphene from graphite powder is special in stripping out, universities and research institutions of graphene special graphite powder, graphite powder, graphene special quality of Qingdao Huatai provide very good, have a good reputation among colleges and universities, scientific research institutions in such help, hope to adopt L.
Q:Is the graphite electrode broken like graphite, fossil oil, coke and graphite powder?
Graphite electrode pieces in different data definition of graphite scrap is different, some data and literature of the graphite particles are called not great pieces of graphite (such as graphite) and some say that graphite products have a certain size, into a block of graphite broken, we are here to say Shi Mosui is second, often called as the graphite block. The production of graphite from graphite products, graphitization and machining process. Graphite waste used as an additive and as a conductive material in the steelmaking and casting industries.
Q:How does graphite powder solidify into a lump? What bond is best used?After solidification can be more than 1000 degrees high temperature does not change
There is no binder that can withstand 1000 degrees C. At such a high temperature, any binder has been carbonized and has lost its bond effect, so it is impossible if you want to use the binder to make the graphite powder into pieces
Q:What are the hazards of inhalation of graphite dust?
Personally think: black carbon on the human body, and the extent of the time has a lot to do with. On the human body caused by short-term damage is limited to a certain extent, can be restored (but the inhaled particles are difficult to be excreted); over the long term, great harm to the human body, but also can not be restored. Heavy inhalation of carbon black dust can at least cause carbon black, dust, and lung disease (occupational disease, pneumoconiosis). Included in the pneumoconiosis in China: silicosis, coal worker's pneumoconiosis pneumoconiosis, graphite, carbon black pneumoconiosis, asbestosis, talc, mica, cement pneumoconiosis pneumoconiosis pneumoconiosis, Potter's pneumoconiosis, aluminum pneumoconiosis, welders' pneumoconiosis, graphite pneumoconiosis etc.)! At present, the world's lack of treatment for pneumoconiosis, suffering from pneumoconiosis equivalent to sentenced to death. The number of pneumoconiosis patients in our country is equal to that of pneumoconiosis patients in other parts of the world. Please pay more attention to it and don't inhale any more
Q:What is the industry standard of graphite powder coating for casting?
One is purity, that is, the size of impurities, the smaller the better.
Q:What is the use of flake graphite in making flake graphite powder?
Better for corrosion protection coatings, fire retardant coatings and conductive coatings.
Q:Can graphite powder be used for concrete?
The graphite powder is soft, black and gray, greasy and polluting paper. Hardness is 1~2, along the vertical direction with the increase of impurities, its hardness can be increased to 3~5. The specific gravity is 1.9~2.3. Under isolated oxygen conditions, the melting point is above 3000 degrees Celsius and is one of the most refractory minerals.
Q:What is graphite powder?
1) high temperature resistance: Graphite melting point of 3850 + 50 degrees, boiling point is 4250 degrees, even after the ultra-high temperature arc ignition, the weight loss is very small, the thermal expansion coefficient is very small. The strength of graphite increases with the increase of temperature, and the strength of graphite is doubled at 2000 degrees centigrade.2) conduction and thermal conductivity: the conductivity of graphite is one hundred times higher than that of ordinary non-metallic minerals. Heat conductivity exceeds steel, iron, lead and other metal materials. The coefficient of thermal conductivity decreases with increasing temperature, and even at extremely high temperatures, the graphite becomes hot.3) lubricity: the lubricity of graphite depends on the size of graphite scales. The larger the scale, the smaller the coefficient of friction and the better the lubricity.4) chemical stability: graphite has good chemical stability at room temperature, and can resist acid, alkali and organic solvent corrosion.5) plasticity: the toughness of graphite is good, but it can be a very thin slice.6) thermal shock resistance: when graphite is used at normal temperature, it can withstand the drastic change of temperature without damaging. When the temperature changes suddenly, the volume of graphite changes little and no cracks occur.

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