What are the star companies that produce battery cores in the lithium battery industry chain?

Battery core

At present, there are three main types of mobile power core on the market: 18650 core, polymer core, and lithium iron phosphate core. Consumers are best advised to select the polymer lithium battery, followed by the 18650 core. The technology of the lithium iron phosphate core is not mature compared with the previous two, and the large size and high price of the fatal disadvantage lead to the inability to move in the power supply. Scale.

18650 core

The 18650 lithium battery refers to a battery with a diameter of 18mm and a length of 65mm. 0 represents a cylindrical battery. The technology of the 18650 core is relatively mature. The battery structure is stable, has a high specific capacity, and has outstanding comprehensive performance. Because of its compact size, it can be used in many ranges. The disadvantage is that its safety is worse than that of polymer lithium batteries, and the number of cycles of the core is low, only about 300 times.

Polymer core

The difference between polymer core and traditional lithium-ion batteries lies in the production process. Lithium batteries are wound and softer. Polymers are superimposed and have a hard body shape. With the same volume of polymer and lithium batteries, the polymer has a larger capacity, about 30 % or more of Gaochu. And safer, less risk of explosion. Long service life. Charging and discharge reached more than 500 times. The disadvantage is that the cost is high, and the polymer core of the same capacity is at least 100 % more expensive than the 1,8650 lithium ion core.

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