After three years of rapid development and adjustment, the new energy vehicle market has basically seen the competitiveness of several technical routes. The passenger car market is the world of three yuan. The passenger car market is the mainstream of iron and lithium. Especially in the logistics vehicle market, there are still no conclusions about the three power batteries of ternary, iron-lithium and lithium manganate. The following is a detailed analysis. In the passenger vehicle field, the cruising range is the most important, and the cost is still second. Therefore, the ternary battery with the highest energy density is the most advantageous, and the iron-lithium battery cannot meet the passenger car's endurance and space because of its large size and large mass. It is required to gradually withdraw from the passenger car market; in the passenger car field, safety is highly valued, and the volume and weight are not as severe as the passenger car, so even after the lifting of the ban, the ternary battery is unstable due to its own It has not been popularized, and the iron-lithium battery has the best safety and the best cycle performance. It can easily meet the charging and discharging requirements of the passenger car for 3,000 times in 8 years, so the passenger car field is dominated by iron and lithium. In the field of logistics vehicles, cost is the first consideration, and the cost includes both the price of the initial purchase and the life cycle. At present, the battery packs of ternary, iron-lithium and lithium manganate are basically at the level of 1.4 yuan/wh, and the difference is not big; but the logistics vehicle generally needs to travel for 2 years and 250,000 kilometers in the life cycle, which is much higher than the multiplication. With the driving mileage of the car, the iron-lithium battery can basically guarantee the use of one battery in the whole process, and the ternary and lithium manganese oxide batteries need to be replaced once, and the cost is more than 50,000 (for example, a van with a distribution capacity of 40kwh) ). Moreover, the iron-lithium battery does not contain rare precious metals. In the future, as the price of lithium carbonate continues to fall, iron-lithium batteries still have room for price reduction, so the cost of iron-lithium batteries is more advantageous. On the other hand, logistics vehicles also have high requirements for battery durability. The voltage platform of iron-lithium is about 3.0V-3.5V, which is very flat, while the voltage platform of ternary materials is 3.0V-4. 2V, very steep, the voltage jumps during emergency braking is very easy to cause alarms and faults. The voltage platform of lithium manganate is steep between the two, so the durability is still dominated by iron and lithium. In summary, lithium iron phosphate batteries will be more competitive in the field of logistics vehicles in the future. Mini PC
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August 06, 2023