What are the advantages of the new 21700 lithium battery

1. The single capacity of the new 21700 lithium battery is increased by 35%. Taking the 21700 lithium battery processed by Tesla as an example, after switching from the 18650 model to the 21700 model, the battery cell capacity can reach 3 to 4.8 Ah, a significant increase of 35%. 2. The energy density of the new 21700 lithium battery system is increased by about 20%. According to the data disclosed by Tesla, the energy density of the 18650 lithium battery system used in the early days was about 250Wh/kg, and the energy density of the 21700 battery system processed later was about 300Wh/kg. The volumetric energy density of the 21700 lithium battery was higher than the original 18650. Nearly 20% higher. 3. The cost of the system is expected to drop by about 9%. Decomposing from the battery price information disclosed by Tesla, the power lithium battery system of the 21700 battery is priced at US$170/Wh, and the price of the 18650 battery system is US$185/Wh. After using 21700 lithium batteries on Model 3, the cost of the battery system alone can be reduced by about 9%. 4. The weight of the system is expected to drop by about 10%. The overall volume of the new 21700 lithium battery is larger than that of the 18650 lithium battery. With the increase of the monomer capacity, the energy density of the monomer is higher, so the number of battery monomers required under the same energy can be reduced by about 1/3. 5. The battery energy density is increased. Above 20%, the energy density of the 21700 battery is better than that of the 18650 battery. According to the current information disclosed by Tesla, under current conditions, the energy density of the 21700 lithium battery system processed by it is about 300Wh/kg, which is about 20% higher than the 250Wh/kg of its original 18650 battery system. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous post: What are the important reasons for battery loss