3.7v 3000mah 18650 battery

　　Nano One develops new method to produce high-performance 3.7v 3000mah 18650 battery cathode materials at low cost

　　According to foreign media reports, on October 21, local time, NanoOne Materials, a company headquartered in Canada, told investors that its 3.7v 3000mah 18650 battery-related technology has obtained another U.S. patent. Currently, the company's innovations have been patented in the United States, Canada, Taiwan, China, Japan and South Korea.

　　In short, the company has developed a way to produce high-performance lithium-ion battery cathode materials at low cost. This material, called high-voltage spinel, does not contain cobalt and has a voltage of 4.7V, which is 30% to 40% higher than the voltage in handheld devices and electric vehicle batteries. Batteries made of it are expected to be used in future electric vehicles. , energy storage systems and consumer electronics products.

　　At present, NanoOneMaterials has established a demonstration pilot factory and is cooperating with companies such as Pulead (Peking University Xianxing Technology Industry Co., Ltd.), Volkswagen and Saint-Gobain. Notably, the company's technology creates single-crystal particles rather than large clumps of cathode material, which prevents cracking and degradation due to repeated battery charging, improving the durability of the cathode material and allowing electric vehicle manufacturers to significantly Improve battery life and cruising range.

　　At the same time, NanoOne is using innovative techniques to create such cathode materials using fewer steps and simpler materials. For example, Dr. Stephen Campbell, chief scientist of NanoOne, said that the company has developed coating technology for stabilizing advanced lithium-ion battery cathodes and has applied for patents related to this coating technology.

　　Dr. Campbell explained: “Innovative coatings can be applied directly to particles of cathode materials without the need for additional steps, reducing resistance and degradation between the cathode and electrolyte in lithium-ion batteries, helping to design higher energy density, Batteries that last longer.”

　　Preparing a stable ion conductive coating on the surface of NanoOne's high-voltage spinel (HVS) can improve the conductivity of the solid electrolyte by inhibiting the dissolution of manganese in the liquid electrolyte. Currently, NanoOne has developed two coatings that can stabilize the cathode under battery cycling at 55 degrees Celsius, while improving durability and stability without affecting capacity.

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