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What are the difference between natural graphite and artificial graphite?

According to statistics from China Chemical and Physical Power Supply Industry Association, since 2016, China's export volume and export value of lithium-ion batteries have continued to increase. In 2021, China's exports of lithium-ion batteries were 3.428 billion, with a year-on-year growth of 54.34%. The export of lithium-ion batteries was 28.428 billion DOLLARS, up 78.34% year on year.

From the battery export destination, so far. China's lithium-ion batteries are mainly exported to the Asia Pacific and the United States and other places. In terms of price, the price of products exported to the United States is significantly higher than that in the Asia-Pacific region, mainly because the demand for lithium-ion batteries in the United States is higher than that in the Asia-Pacific region. In terms of export volume, the number of China's lithium-ion battery exports to Asian countries and regions far exceeds that of other countries. In 2021, The number of China's lithium-ion battery exports to Hong Kong, China is 675 million. 648 million were exported to Vietnam; 440 million were exported to India; 337 million were exported to the U.S. 222 million were exported to South Korea. The market for other difference between natural graphite and artificial graphite, led by lithium-ion batteries, is expected to expand globally.

Graphite can be divided into natural graphite and artificial graphite. The two have similar structures and similar physical and chemical properties, but their uses are quite different. In many studies, some researchers do not notice the difference between the two and call it graphite in general. The result of conflating the two has resulted in a lot of misleading and even decision-making mistakes, resulting in great waste of resources and economic losses. This article discusses the characteristics and differences between natural graphite and artificial graphite from the perspective of structural composition and performance, as well as their important connections and application progress.

What are classification and characteristics of graphite ?

1.1 Natural graphite

Natural graphite is formed by the long-term transformation of carbon-rich organic matter under the high temperature and high pressure geological environment, and it is the crystallization of nature. The technological properties of natural graphite mainly depend on its crystalline morphology. Minerals with different crystal forms have different industrial values and uses. There are many types of natural graphite. According to different crystalline forms, natural graphite is divided into three categories: dense crystalline graphite, flake graphite and cryptocrystalline graphite. There are two main types of graphite in my country: flake graphite and cryptocrystalline graphite.

1.2 Artificial graphite

Artificial graphite is similar to polycrystals in crystallography. There are many kinds of artificial graphite, and the production process is very different. In a broad sense, all graphite materials obtained by carbonization of organic matter and high temperature treatment of graphitization can be collectively referred to as artificial graphite, such as carbon (graphite) fibers, pyrolytic carbon (graphite), foamed graphite, etc. In a narrow sense, artificial graphite usually refers to the use of carbonaceous raw materials (petroleum coke, pitch coke, etc.) with low impurity content as aggregates, coal tar pitch, etc. as binders. Bulk solid materials prepared by processes such as roasting) and graphitization, such as graphite electrodes, hot isostatic pressing graphite, etc.

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What is the difference and connection between natural graphite and artificial graphite?

In view of the fact that the above natural graphite is usually made of artificial graphite in the narrow sense, only the difference and connection between natural graphite and artificial graphite in the narrow sense are analyzed and discussed.

In view of the fact that the above natural graphite is usually made of artificial graphite in the narrow sense, only the difference and connection between natural graphite and artificial graphite in the narrow sense are analyzed and discussed.

2.1 Crystal structure

Natural graphite: The crystal development is relatively complete, the degree of graphitization of flake graphite is more than 98%, and the degree of graphitization of natural microcrystalline graphite is usually below 93%.

Artificial graphite: The degree of crystal development depends on the raw material and the heat treatment temperature. Generally speaking, the higher the heat treatment temperature, the higher the degree of graphitization. At present, the degree of graphitization of artificial graphite produced in industry is usually less than 90%.

2.2 Organizational Structure

Natural flake graphite: It is a single crystal with a relatively simple structure and only has crystallographic defects (such as point defects, dislocations, stacking faults, etc.), and exhibits anisotropic characteristics on the macroscopic level. The grains of natural microcrystalline graphite are small, the grains are disorderly arranged, and there are pores after the impurities are removed, showing isotropy on the macroscopic level.

Artificial graphite: It can be regarded as a multi-phase material, including graphite phase converted from carbonaceous particles such as petroleum coke or pitch coke, graphite phase converted from coal tar binder wrapped around the particles, particle accumulation or coal tar pitch. The pores formed by the binder after heat treatment, etc.

High quality natural graphite and artificial graphite supplier

Luoyang Moon & Star New Energy Technology Co., LTD, founded on October 17, 2008, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of lithium ion battery anode materials. After more than 10 years of development, the company has gradually developed into a diversified product structure with natural graphite, artificial graphite, composite graphite, intermediate phase and other negative materials (silicon carbon materials, etc.). The products are widely used in high-end lithium ion digital, power and energy storage batteries.If you are looking for Lithium battery anode material,click on the needed products and send us an inquiry:sales@graphite-corp.com

 


Russia is a major supplier of industrial metals such as nickel, aluminium and palladium. Russia and Ukraine are both major wheat exporters, and Russia and Belarus produce large amounts of potash, an input to fertiliser. The price and market of the difference between natural graphite and artificial graphite will fluctuate under its influence. Prices of these goods have been rising since 2022 and are now likely to rise further because of the Russia-Ukraine conflict. Russia is a major supplier of industrial metals such as nickel, aluminium and palladium. Russia and Ukraine are both major wheat exporters, and Russia and Belarus produce large amounts of potash, an input to fertiliser. The price and market of the difference between natural graphite and artificial graphite will fluctuate under its influence. Prices of these goods have been rising since 2022 and are now likely to rise further because of the Russia-Ukraine conflict.

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