Which battery is better for ternary lithium battery or lithium iron phosphate battery?

1. Choose BYD for buses and Tesla for cars. This is the difference in volume between the two. From the current technology point of view, the energy density of ternary lithium batteries is generally 200Wh/kg, and may reach 300Wh/kg in the future; while lithium iron phosphate batteries are currently basically hovering at 100~110Wh/kg, and individual ones can reach 130~150Wh /kg, but it is very difficult to break through 200Wh/kg. Therefore, the ternary material power lithium-ion battery can have twice the space of the lithium iron phosphate supply, which is very important for cars with limited space. Tesla processes ternary lithium batteries and BYD processes lithium iron phosphate batteries. Therefore, there is a saying that BYD is used for buses and Tesla is used for cars. 2. Also because of the high energy density, the weight is much smaller, the light weight and the small footprint determine that the ternary lithium battery new energy vehicle consumes less power, so it is faster and has a stronger endurance. Therefore, ternary lithium batteries can be used for cars to run farther, while lithium iron phosphate new energy vehicles are basically used for city buses at present, because the battery life is not long, and there must be charging piles for charging within a short distance. 3. Although the lithium iron phosphate battery is resistant to high temperatures, the ternary lithium battery has better low temperature resistance. It is an important technical route for manufacturing low temperature lithium batteries. At minus 20C, the ternary lithium battery can release 70.14% of the capacity, while iron phosphate Lithium batteries can only release 54.94% of the capacity, and because under low temperature conditions, the discharge platform of ternary lithium batteries is much higher than the voltage platform of lithium iron phosphate batteries and starts faster. 4. The charging efficiency of ternary lithium battery is higher. Lithium battery charging adopts current limiting and voltage limiting method, that is, constant current charging is performed in the first stage. At this time, the current is large and the efficiency is high. After the constant current charging reaches a certain voltage, it enters the second stage of constant voltage charging. At this time, the current is small and the efficiency is low. Therefore, to measure the charging efficiency of the two, the ratio of the constant current charging power to the total capacity of the battery is called the constant current ratio. The experimental data shows that there is little difference between the two when charging under 10C, but the distance above 10C will open the distance. When charging at 20C, the constant current ratio of the ternary lithium battery is 52.75%, and the constant current ratio of the lithium iron phosphate battery is 10.08 %, the former is 5 times that of the latter. 5. In terms of cycle life, lithium iron phosphate batteries are better than ternary lithium batteries. The theoretical life of ternary lithium batteries is 2000 times, and the capacity is reduced to 60%; even if the industry is an excellent brand Tesla, it can maintain 70 times after 3000 times. % Of electricity, while the lithium iron phosphate battery has 80% capacity after the same cycle. 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: How to extend the service life of mobile phone batteries?