-Why hasn't lithium-ion batteries in electric vehicles completely replaced lead-acid batteries?

Why hasn't lithium-ion batteries in electric vehicles completely replaced lead-acid batteries?
author:enerbyte source:本站 click288 Release date: 2023-11-23 08:40:38
abstract:
Batteries are usually divided into two categories: lithium metal batteries and lithium-ion batteries. The former uses the chemical manganese dioxide as the positive electrode material, while the latter uses metal lithium and other alloy materials. The battery uses non electrolyte batteries; Th...

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Batteries are usually divided into two categories: lithium metal batteries and lithium-ion batteries. The former uses the chemical manganese dioxide as the positive electrode material, while the latter uses metal lithium and other alloy materials. The battery uses non electrolyte batteries; The positive electrode of the latter is alloy oxide, and the negative electrode is graphite. When the positive and negative electrode materials are different, there is also a significant difference in performance and effectiveness, so the industry has been a fierce dispute over the materials of lithium-ion batteries.

The manufacturing material of lead-acid batteries is lead-acid, which has a development history of nearly a century. The technology is also relatively mature and the usage time is relatively long. Therefore, lithium-ion batteries still have many shortcomings compared to lead-acid batteries.

1. Lithium ion batteries are not safe

The primary prerequisite for driving is safety, and some of the situations that car owners encounter while driving are unpredictable. Even an inconspicuous behavior or action can pose a threat to life, and lithium-ion batteries are a very dangerous factor. When using lithium-ion batteries, they can easily be pierced by a slight touch or being hit by a hard object. If the owner accidentally collides strongly with other cars, lithium-ion batteries are likely to explode. If lead-acid is replaced comprehensively now, the probability of accidents will greatly increase.

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