What are the different technical characteristics of square, cylindrical and soft packs?

1. Battery shape: The square lithium battery can be of any size, while the soft pack battery can be made thinner, which is incomparable to a cylindrical battery. 2. Rate characteristics: the process limitation of cylindrical lithium battery welding multi-electrode, so the rate characteristics are slightly inferior to the square multi-electrode method. 3. Discharge platform: The same positive electrode material, negative electrode material, and electrolyte are used, so theoretically the discharge platform is the same, but the internal resistance of the square battery is slightly better, so the discharge platform is slightly higher. 4. Product quality: Cylindrical lithium battery technology is very mature, the probability of common secondary slitting defects of the pole piece is low, and the winding process is more mature and automated than the lamination process. The lamination process is currently still using semi-manual methods. Therefore, there is an adverse effect on the quality of the battery. 5. Lug welding: cylindrical lithium battery lugs are easier to weld than square lithium batteries, and square batteries are prone to false welding that affects battery quality. 6. PACK into groups: round batteries are relatively easier to use, so the PACK method is simple and the heat dissipation effect is good. The heat dissipation problem should be handled when the square batteries are PACK. 7. Structural features: The chemical activity at the corners of the square battery is poor, and the performance of the battery after long-term use is relatively obvious. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete.