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Which battery is better for electric vehicles?

Views: 0     Author: Site Editor     Publish Time: 2021-09-02      Origin: Site

As far as electric vehicles are concerned, the safety of batteries is a big issue. Recently, an electric vehicle lithium-ion battery explosion occurred in Beijing. It is reported that the lithium-ion battery is rented by Yang, and it is charged at home to prevent the battery from being lost. As a result, the lithium ion battery suddenly exploded. As a result, 100% of Yang’s body, 80% of his wife, and 40% of his 7-year-old son were burned, instantly ruining a family.

In recent years, due to repeated explosions of lithium-ion batteries, many people cannot help but wonder whether it is really feasible to replace lead-acid batteries with lithium-ion batteries. Should the battery of an electric car be a lithium-ion battery or a lead-acid battery? Below, Bian Xiao analyzes the difference between lithium-ion batteries and lead-acid batteries in terms of quality and volume, service life, cost performance, and battery life.

Which battery is better for electric vehicles?

Lead-acid batteries

Battery mass volume

Lead-acid batteries are larger and heavier than lithium-ion batteries. A lithium-ion battery weighing only 2.5/3 kg, with the same capacity, the weight of a lead-acid battery is about 16/30 kg. Although lead-acid batteries are now developing towards lighter weight, lithium-ion batteries are still more operability than lead-acid batteries because they can be flexibly disassembled.

Battery life

At present, the service life of lead-acid batteries is about 2 years, and the cycle charge and discharge is generally within 300 times, while the cycle charge and discharge of lithium-ion batteries exceeds 500 times, and the general service life is more than 3 years.

Lithium Ion Battery

Battery cost performance

The current mainstream price of lead-acid batteries on the market is around 450 yuan, while lithium-ion batteries are relatively expensive. However, with the reduction of lithium-ion battery raw materials, some brands have chanted the slogan of the lead-acid price of lithium batteries.

Battery life

This should be the most concerned issue for electric vehicle users. The same 48V battery, when fully charged, the range of lead-acid/lithium-ion battery electric vehicles is almost the same, depending on factors such as speed and motor size. Of course, in terms of battery capacity, lead-acid batteries will be slightly larger than lithium-ion batteries.

In contrast, lead-acid batteries and lithium-ion batteries are indistinguishable. Users who pay attention to price and practicality can choose lead-acid batteries, and users who pay attention to battery operability can choose lithium-ion batteries with better performance.


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