Lithium battery electrolyte important technology-Lithium - Ion Battery Equipment

The important technical level improvement of lithium battery electrolyte -Lithium - Ion Battery Equipment

Benefiting from the strong demand for consumer electronics represented by mobile phones, electric vehicles, notebook computers, and digital products, the global lithium-ion battery industry has maintained a rapid growth trend in recent years.

Lithium-ion batteries are mainly composed of four parts: positive electrode material, negative electrode material, electrolyte, and separator. Electrolyte is one of the key raw materials of lithium-ion batteries and the blood of lithium-ion batteries. Lithium hexafluorophosphate (LIPF6) is the core material of the lithium-ion battery electrolyte, commonly known as lithium salt, and is the electrolyte with the best performance and the most usage.(Lithium - Ion Battery Equipment)

The ratio of lithium hexafluorophosphate to organic solvent (including additives) is about 1:7, and its cost accounts for about 50%-70% of the production cost of the entire electrolyte. At present, the price of lithium hexafluorophosphate is 250,000-300,000 yuan/ton, and the gross profit rate is 60%. It is one of the parts with the highest added value in lithium-ion battery materials. The technical research and development level, production and supply capacity, and price level of lithium hexafluorophosphate largely affect the development scale and profit level of the lithium-ion battery industry.

Domestic lithium-ion electrolyte manufacturers basically purchase lithium hexafluorophosphate from Japanese companies to produce lithium-ion battery electrolyte products. Before the company successfully realized large-scale production, the production technology of this product was basically monopolized by three Japanese companies, Kanto Denka, SUTERAKEMIFA, and Morita Chemical.

Tinci successfully broke through technical barriers and realized large-scale production of lithium hexafluorophosphate. In 2011, the company had a production capacity of 300 tons of lithium hexafluorophosphate. The company's lithium hexafluorophosphate products are mainly used for self-use, and the lithium-ion battery electrolyte products are sold externally. In 2011, the production capacity of lithium-ion battery electrolyte was 2,540 tons.

The rapid development of new energy vehicles will bring explosive growth to the lithium-ion battery industry. It is understood that the lithium-ion battery capacity of an electric car is 10,000 times that of a mobile phone battery. According to the forecast of Japan's Institute of Information Technology (IIT), the global production of new energy vehicles will reach 6.89 million. Based on the calculation that an average new energy vehicle needs to consume 40 kg of lithium-ion battery electrolyte, by 2019 the global new energy vehicles will need Lithium-ion battery electrolyte is about 275,800 tons, with a compound growth rate of 86%.

Industry analysts predict that the market capacity of lithium hexafluorophosphate will show rapid growth in the future. Once the new energy vehicle market makes a breakthrough, it will bring geometric growth to the upstream lithium-ion battery electrolyte and lithium hexafluorophosphate.



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