At present, the relatively large lithium battery pack is lithium iron phosphate battery pack, because everyone knowsThe stability of the lithium lithium battery itself is relatively poor, which is relatively high in safety factor, and the lithium iron phosphate battery is improved on the basis of the positive electrode material of the original lithium ion battery. High, the orthopedic materials of the common iron phosphate battery packs are lithium drill acid, lithium manganate, lithium nickel acid, etc. The most commonly used is lithium drill acid. Although lithium iron phosphate battery packs are also lithium -ion batteries, we can see from the positive pole material that lithium iron phosphate battery is currently a battery with higher stability in lithium ion batteries, and in terms of cost, it is not very high. Therefore, there are more and more lithium iron phosphate battery packs in some large industries and mobile base stations.

　　However, the vibration density of lithium iron phosphate batteries is low, which is also this feature that determines the use of lithium iron phosphate batteries in terms of electric tools. Relatively speaking Its disadvantages are exposed. One of the most obvious disadvantages is insufficient capacity. When working, the lithium iron phosphate battery pack will inevitably generate heat. Generally speaking, the working environment of lithium iron phosphate battery packs is between -50 ° C and 80 ° C. During the process and the process of the country, the heat needs to be generated. Therefore, it is best to control the temperature of the lithium iron phosphate battery pack under the +50 degrees Celsius. The endurance is very low. In layman's terms, the lithium iron phosphate battery pack is not resistant to low temperature, so try not to work within the beyond temperature range.

　　Regardless of whether lithium iron phosphate battery packs work at high temperature or at low temperature, both cases will cause large loss to lithium iron phosphate battery packs, because lithium iron phosphate battery groups work at high temperatures for a long time, although from a chemical perspective, although from a chemical perspective, It is conducive to the conversion of electrode materials, but it also mentioned above that lithium iron phosphate battery packs are mainly used in electric tools, so their discharge is very large. Although the lithium iron phosphate battery pack has the characteristics of high temperature resistance, it has been at high temperature for a long time at high temperature. Work will also have a certain impact on lithium iron phosphate battery packs. The most common thing is that after a period of time, the capacity of the battery pack has decreased significantly. For this situation, this is the common problem of all secondary batteries. The loss in this regard is relatively low. The impact of low temperature on lithium iron phosphate battery packs can be slightly larger, because it is mentioned above that lithium iron phosphate battery packs can have good stability, all than to its positive electrode materials, but the so -called everything is in everything Both have two sides. Although the positive electrode material of lithium iron phosphate batteries enhances its own stability and its safety has increased, compared with other lithium batteries, the conductivity of lithium iron phosphate battery packs is relatively poor, and the low temperature is the low temperature is the low temperature is the low temperature is the low temperature. It will affect the electrolyte, because the coagulation point of the electrolyte of the high conductivity rate is low, and it is easy to freeze in low temperature environments. Therefore, the low temperature environment is "worse on the snow" for lithium iron phosphate. At low temperature work, the performance of lithium iron phosphate batteries will be greatly reduced, and there will be disconnection at work.

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