Cylindrical lithium battery is a common form of lithium battery. The earliest cylindrical lithium battery was created by Japan’s SONY Group in 1992. The model used at that time was 18650 lithium battery.

　　Therefore, the 18650 cylindrical lithium battery has a very long history of development, so the industry market coverage is high, the level of mechanical automation is high, the product quality is relatively stable, and the cost is relatively low.

　　So, what are the advantages of traditional cylindrical lithium batteries?

　　① A series of internationally unified standard specifications and models have been formed. The technology is relatively mature and suitable for mass continuous production.

　　②The specific surface area of the cylinder is large, and the heat dissipation effect is good.

　　③The cylindrical lithium battery has a very high sealing performance, and there is no maintenance problem during use.

　　④Lithium battery shell has high pressure resistance, and there will be no phenomenon such as square shape or flexible packaging battery expansion during use.

　　Lithium-ion battery (LIB) has become the main energy storage solution in modern social life. Among them, lithium iron phosphate batteries are a perfect replacement for lead-acid batteries, and they are the first choice for grid-connected peak shaving, off-grid energy storage, photovoltaic energy storage, UPS, data center and other industries.

　　Even with the rapid development of lithium batteries today, prismatic lithium batteries have begun to be widely used, but cylindrical lithium batteries have advantages that prismatic lithium batteries cannot match.

　　It will not be eliminated in the future and is still an important member of the lithium battery industry.