-Why do pure electric vehicles not use lead-acid batteries?

Why do pure electric vehicles not use lead-acid batteries?
author:enerbyte source:本站 click393 Release date: 2023-06-27 09:00:11
abstract:
In recent years, although policy subsidies have gradually declined, the new energy craze has been cooling down, causing consumers to gradually calm down and shift their focus from advantages such as license plates and travel restrictions to the maintenance costs and range of lithium-ion batter...

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In recent years, although policy subsidies have gradually declined, the new energy craze has been cooling down, causing consumers to gradually calm down and shift their focus from advantages such as license plates and travel restrictions to the maintenance costs and range of lithium-ion batteries. Especially when the SOC (residual capacity) of the power lithium-ion battery of the first batch of pure electric vehicles is gradually declining and entering the replacement period, the replacement cost of the battery, which is close to half of the purchase price or even higher, is a headache for countless car owners, which also brings a problem along with the trend. That is why pure electric vehicles should use such high cost lithium-ion batteries instead of Lead–acid battery with lower cost.

Speaking of Lead–acid battery, many people have actually seen the batteries on fuel vehicles and electric bicycles. With its lower price, mature technology, excellent high and low temperature performance, stability, high safety, and good resource reuse, it has become the battery with the largest market share and the widest range of use in the global chemical secondary battery market. Among them, the application fields of starting and large-scale energy storage are the most prominent.

So, why not use lead-acid batteries with better performance for pure electric vehicles?

Technology is the key. In terms of technical maturity, there are still many bottlenecks in the lithium-ion battery, but in terms of waterproof and dustproof, Lead–acid battery is not as awesome as the lithium-ion battery. After all, the power lithium-ion batteries of pure electric vehicles are generally placed in the chassis, making it difficult to avoid bumps and short-term immersion during daily driving. In this regard, lithium-ion batteries that can reach IP67 level are clearly safer.

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