As the core of new energy vehicles, batteries are related to the life of vehicles. According to the types of existing car batteries, they are divided into lead-acid batteries and lithium batteries. Currently, new energy vehicles are using lithium batteries as it's power batteries. The use of lead-acid batteries is basically based on low-speed electric vehicles, such as the old scooter. For new energy vehicles, which is more cost-effective?

According to the characteristics of the battery, naturally, the cost performance of the lithium battery is high. First, the lithium battery is composed of a metal element, and the lithium ion is moved between the positive electrode and the negative electrode to work. According to the working principle of the lithium battery, the average voltage of the lithium battery is higher, the nominal voltage of the lithium battery is: 3.6V, and for the lead-acid battery, the nominal voltage of the lead-acid battery is only about 2.0V, Speak of the battery Configuration, there's difference in electrode potential between lithium and lead. Lithium batteries have higher charge and discharge efficiency.

In addition, there are differences in energy density and packaging for these two types of batteries, which lead to a large difference between lithium batteries and lead-acid batteries.New energy vehicle belongs to high-speed vehicles and requires a large amount of electric energy. For the same 48V 80Ah battery, the weight of the lithium battery can be controlled to about 5 to 10Kg, while the weight of the lead-acid battery is basically two to three times as much.

In terms of battery weight, lithium batteries are lighter in weight and smaller in size, which will bring huge differences in vehicle life and handling. In summary,lithium batteries have many advantages, such as light weight, long service life and fast charging speed. It is more suitable than a lead-acid battery as a power battery for new energy vehicles.

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