Analysis of the reasons for BYD does not give up lithium iron phosphate batteries

　　As we all know, pure electric vehicles will become the development direction of future cars, and its core technology is battery. In this regard, BYD, which starts with lithium iron phosphate batteries in this regard, has unique technical advantages. At present, all new energy vehicles that BYD are selling are basically three yuan lithium batteries, but BYD announced that it will launch a new generation of lithium iron phosphate batteries in 2020.50%, has higher security and longer life. Why doesn't BYD give up lithium iron phosphate batteries?

　　Xiaobian believes that there is no lithium iron phosphate battery on the market as power energy. It is mainly because lithium iron phosphate batteries have not yet matured at the technical level. BYD does not give up lithium iron phosphate batteries from three aspects: safety, stability, low cost, and performance life.

　　Aspect of security and stability

　　The most important point of a commercial battery is to focus on the safety and reliability of the battery. The thermal discharge temperature of the lithium iron phosphate battery is above 500 degrees, while the ternary lithium battery is about 300 degrees. In this regard, lithium iron phosphate batteries occupy an absolute safety advantage.

　　Aspect

　　In terms of cost, lithium iron phosphate batteries do not require precious metals as support materials, so production costs are much lower than those of ternary lithium batteries. This is undoubtedly reasonable for the production cost control of the vehicle. Coupled with the corresponding battery management system for control, the cost is of course, the lower the better after the comprehensive conditions.

　　Aspect of performance

　　In terms of performance life, the cycle life of lithium iron phosphate batteries is more than 3,000 times, while the ternary lithium battery will decline only about 2000 times. This undoubtedly adds a corresponding increase in lithium iron phosphate batteries. Although the energy density of lithium iron phosphate batteries is not as good as the ternary lithium battery, it is high in terms of cost and the service life of the battery, and the cost of the battery is low.

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