Continued: Tesla 4680 Battery-Battery Technology Upgrade-Part 3. 2.1.4. Opportunities Brought by All Tabs From the previous pulse laser spot welding of the 2170 battery to the current 4680 battery line or laser lattice, the laser welding process is improved, and the original pulse laser may be changed to a continuous laser, and the overall…
Tesla 4680 Battery-Battery Technology Upgrade-Part 2. 2.1.2. The advantages of all tabs of 4680 battery 1. Improved output power: the battery current path is widened, and the internal resistance is greatly reduced, the internal loss is reduced accordingly, and the battery power is greatly increased (6 times that of the 2170 battery). 2. Improve…
Tesla 4680 Battery-Battery Technology Upgrade-Part 1. 1. Definition The 4680 battery is a new generation cylindrical battery with a diameter of 46mm and a height of 80mm introduced by Tesla. For batteries, when the energy density is increased, the power density will decrease. The diameter of 46mm is the best choice for a cylindrical…