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What Are The Factors Involved In Power Lithium Battery Safety?

With the popularity of new energy vehicles, people demand for power lithium battery increasingly strong. But the recent frequent occurrence of new energy vehicles fire incident, the survey results show that more than the power battery, so the power of lithium battery safety issues become a hot topic for a time.

There are many factors that affect the safety of lithium batteries, where the battery material has an important impact on the safety of lithium batteries, because the battery material generally have a thermal activity, when the battery temperature continues to rise, the internal will be a lot of thermal reactions, when Heat can not be lost in time, it is easy to cause the battery safety accident, so the lithium battery positive and negative material selection for the battery safety performance has an important impact. The following are the same as the "

Second, the battery manufacturing process is also an important factor affecting the safety performance of the battery, the most important of which there are three factors, namely the positive and negative capacity ratio, slurry uniformity control, coating quality control, which positive and negative capacity ratio relationship To the battery life and safety performance, in order to ensure the safety performance of the battery, you need to take full account of the battery charging positive and negative cycle characteristics and the negative ability to accept lithium. The uniformity of the slurry directly affects the uniformity of the distribution of the active material of the battery on the electrode, the unevenness of the slurry, and the phenomenon of expansion and contraction of the negative electrode material when the battery is charged and discharged. And the coating quality control is very easy to cause the battery short-circuit, in addition, the coating thickness and uniformity will affect the active material embedded and prolapse. The following are the same as the "

At present, lithium-ion battery applications more and more widely, so as soon as possible to improve the power of lithium battery production process to ensure the safety of lithium battery safety, so as to promote the development of lithium batteries and related industries.