Why do pure electric vehicles do not need lower-cost lead-acid batteries, but use high-cost lithium batteries?

First of all, in terms of waterproof and dustproof, lead-acid batteries are far less powerful than lithium-ion batteries. It is necessary to understand that the battery of a pure electric vehicle is generally placed on the chassis, so in the daily trekking process, it is inevitable to encounter bumps and bumps and immersion trekking. This requires the battery to have good waterproof and dustproof functions, and it has reached the IP67 level of lithium. Ion batteries are safer than lead-acid batteries. The second is volume. Because the energy density of lithium-ion batteries is relatively high, under the same power condition, the volume of lithium-ion batteries is only 2/3 of that of lead-acid batteries, and the weight is only 1/3 of that of lead-acid batteries, while the power of power lithium battery packs The reduction means the advancement of vehicle battery life. In the end it is the lifespan. Lead-acid batteries generally only support 400 times of deep charge and deep discharge, and their life span is only two years; while lithium-ion batteries can support cyclic discharge more than 3000 times, and the SOC can still be above 70%, and the life span can reach 3 -8 years. To understand that cars are products that require long-term use, lithium-ion batteries with longer lifespans are of course more popular. However, lead-acid batteries are still very popular in low-speed vehicles or electric bicycles that do not have strict requirements on volume, weight and lifespan. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Composition and classification of lithium batteries