What material is the Tesla battery made of? The Tesla battery is made of the following materials:
1. Tesla uses the 18650 battery produced by Panasonic Once the Model 3 is officially put into production, the new 21700 battery will replace the 18650 as the new battery cell; /p>
2. The 21700 battery is a ternary lithium battery, and the cathode material is lithium nickel cobalt aluminate (NCA). This cylindrical ternary battery is currently the highest energy density power battery solution. Compared with square batteries, although this type of battery has high energy density, its stability is poor and requires the support of better BMS (battery management system
3 Under existing conditions, its energy production); The density of the 21700 battery system is about 300 Wh/kg, which is about 20% higher than the 250 Wh/kg of the gold 18650 battery systemigine. At the same time, according to Panasonic's power lithium battery cell test data, the volume energy density of its 21700 battery is much higher than that of the 18650 battery cell. The increase in energy density of a single battery cell is much higher than the 20% increase after bundling;
4. Tesla's first Roadster used Panasonic's NCR18650A battery with a nominal voltage of 3.6 V. The previous 85 kWh battery used NCR18650B batteries with a nominal voltage of 3.6 V and a capacity of 3.1 Ah.
One million car purchase subsidies
INR18650 is a cylindrical ternary lithium battery.
INR18650 I means lithium ion, N means nickel and R means round cylinder. 18650 represents a cylindrical battery with a diameter of 18 mm and a height of 65 mm. The nominal voltage of a single cell is generally: 3.6 V or 3.7 V.The charging voltage is generally: 4.20V (lithium cobalt oxide is 4.2V-4.3V). The minimum end-of-discharge voltage is generally: 2.75 V. A voltage lower than this voltage can easily lead to a significant reduction in battery capacity or even its disposal.
INR18650 lithium-ion battery has the advantages of light weight, large capacity and no memory effect, so it has been widely used - many digital devices use lithium-ion batteries as power sources.
Detailed information:
Theoretical life of the 18650 battery is 1 000 charge cycles. Due to their high capacity per unit density, they are mainly used in laptop batteries.
In addition, due to its very good work stability, 18650 is widely used in various electronic fields.es: Commonly used in high-end bright flashlights, portable power supplies, wireless data transmitters, electric thermal clothing, shoes. , portable instruments, portable lighting equipment, portable printers, industrial instruments, medical instruments, etc.