What are the important factors involved in the safety of power lithium batteries

There are many factors that affect the safety of lithium batteries, among which the battery materials have a critical impact on the safety of lithium batteries, because battery materials are generally thermally active. When the temperature of the battery continues to rise, there will be many thermal reactions inside. When the heat cannot be dissipated in time, it is very easy to cause a battery safety accident, so the selection of the positive and negative materials of the lithium battery has an important impact on the battery safety function. Secondly, the manufacturing process of the battery is also an important element that affects the safety function of the battery. Among them, there are three most important elements, namely the positive and negative electrode capacity ratio, slurry average degree control, coating quality control, and the relationship between the positive and negative electrode capacity ratios. As far as the battery life and safety functions are concerned, in order to ensure the safety function of the battery, the positive and negative cycle characteristics of the battery during charging and the ability of the negative electrode to withstand lithium must be fully considered. The uniformity of the slurry directly affects the uniformity of the battery active material distribution on the electrode. The slurry is not uniform, and the negative electrode material will swell and shorten when the battery is charged and discharged. Insufficient coating quality control can simply cause a short circuit inside the battery. In addition, the thickness and uniformity of the coating will affect the insertion and extraction of the active material. Nowadays, lithium batteries are more and more widely used, so it is necessary to improve the production process of power lithium batteries as soon as possible to ensure the safety of power lithium batteries, so as to promote the development of lithium batteries and related industries. 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 post: What are the differences between lithium batteries and lithium polymer batteries