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CTECHI is an expert in battery solutions, specializing in ODM, OEM, and SKD for energy storage, motive power, and consumer batteries.

Application of anode materials for lithium-ion batteries

Lithium-ion batteries are currently the most ideal rechargeable batteries in the world. It not only has the characteristics of high energy density, no memory effect, and long cycle life, but also has low pollution and meets environmental protection requirements. As countries pay more attention to the environment and new energy, lithium-ion battery anode materials will develop by leaps and bounds. Industry analysts of Shangpu Consulting pointed out: Lithium-ion anode materials are widely used in electric vehicles, aerospace, biomedical engineering and other fields, and have become a new hot spot in global economic development. The development of negative electrode materials is high specific capacity, high charge and discharge efficiency, high cycle performance and lower cost. As a typical representative of a new type of energy, lithium-ion batteries have obvious advantages. With their excellent performance, lithium-ion batteries have become the mainstream development direction of secondary batteries. Lithium-ion battery anode materials play a vital role in improving the performance of lithium-ion batteries. The concentration of the negative electrode material industry is extremely high, which is reflected in the concentration of regions and enterprises. From a regional perspective, China and Japan are the world's major production and sales countries, accounting for more than 95% of global anode material production and sales. As far as the Chinese market is concerned, due to the steady growth of the terminal market, the shipment of anode materials continues to grow. Different anode materials have different effects on the safety, energy density, and cycle life of lithium batteries. At present, the anode materials that have been actually used in lithium-ion batteries are generally carbon materials, such as graphite, soft carbon (such as coke, etc.), hard carbon, and so on. Graphite anode materials have been successfully commercialized, but there are still some insurmountable weaknesses. In recent years, practical research work on anode materials for lithium-ion batteries has basically revolved around how to improve mass specific capacity and volume specific capacity, first charge and discharge efficiency, cycle performance, and reduce costs. In the future, the focus among enterprises will return to the technical aspect, and the focus will be on the direction of high specific capacity, high charge and discharge efficiency, high cycle performance and lower cost. Graphite anode materials for lithium-ion batteries have been commercialized, but there are still some insurmountable weaknesses. Searching for non-carbon anode materials with better performance is still an important subject of lithium-ion battery research. Abundant resources, low price, and good compatibility with electrolyte solvents, will become the focus of the industry in the future.

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