The battery as the core of the new energy car, about the vehicle with the car and range, according to the existing car battery types are divided into lead-acid batteries and lithium batteries and other types of batteries, currently, new energy cars are lithium batteries as the vehicle power battery. And the choice of lead-acid batteries is basically based on low-speed electric cars, such as elderly walkers, and on new energy cars, the use of lead-acid batteries and lithium batteries which is more cost-effective?
Lead-acid battery and lithium battery comparison which has the highest cost performance
According to the characteristics of the battery, naturally, the lithium battery is cost-effective, first of all, from the lithium battery is composed of metal elements of the battery cell, relying on lithium ions in the positive and negative electrodes to move between the work. According to the operating principle of lithium batteries, lithium batteries have a higher uniform voltage, lithium monomer nominal voltage: 3.6V, while for lead-acid batteries, the nominal voltage of lead-acid batteries is only about 2.0V, from the top of the battery structure, lithium and lead differences in electrode potential. Lithium battery has higher charging and discharging efficiency.
Furthermore, there are differences between the two types of batteries in terms of energy density and packaging, and these elements lead to the existence of large differences between lithium batteries and lead-acid batteries. According to the new energy car, a high-speed vehicle, the need for a large amount of electricity, the same 48V80Ah standard battery, lithium battery weight can be fully controlled in about 5 to 10Kg, while the lead-acid battery weight is basically about lithium batteries, is two to three times as much.
In terms of battery weight, lithium batteries are lighter and smaller, which will make a huge difference to the vehicle range, handling and so on. In summary, on the lithium-ion battery, lithium batteries have many advantages, lightweight, long service life, fast charging and other features. It is decided that it is more suitable than lead-acid batteries as the power battery of new energy cars.
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