AG13 battery.Batteries are no longer afraid of cold - low-temperature batteries

　　As we all know, the most common complaint about smart phones is that the battery capacity is not large enough and the service life cycle is short, but the lithium battery of mobile phones is more afraid of cold. When used outdoors below 0 ℃, the battery capacity of mobile phones drops significantly, and the power cannot be released, sometimes even leading to a crash, which is very troublesome; Although the range of electric vehicle batteries is constantly reaching new highs, in the cold north, the original plan was to charge them every three days, but in winter, it would be an extra day, and I am afraid of breaking down on the road; Of course, this is just a common occurrence of batteries being afraid of cold. When using electronic devices outdoors, many industries have higher requirements for battery cold resistance, such as military and aerospace, scientific research and rescue, public safety, medical electronics, etc. Making batteries no longer afraid of cold is a major challenge for moving power batteries and new energy batteries. Low temperature batteries are currently the best solution. The following is a sharing of low-temperature batteries:

　　A. What is a low-temperature battery:

　　Low temperature battery is a special type of battery specially developed to address the inherent low-temperature defects in the performance of chemical power sources. The low-temperature battery uses VGCF and activated carbon with a specific surface area of (2000 ± 500) ㎡/g as additives and their matching positive and negative electrode materials. Special electrolytes with special additives are injected to ensure the low-temperature discharge function of the low-temperature battery. At the same time, the volume change rate after being stored at 70 ℃ for 24 hours is ≤ 0.5%, which has the safety and storage functions of conventional lithium batteries.

　　B. Type of low-temperature battery:

　　Low temperature batteries refer to lithium-ion batteries with operating temperatures below -40 ℃, mainly used in military and aerospace, vehicle equipment, scientific research and rescue, power communication, public safety, medical electronics, railways, ships, robots and other fields. Low temperature lithium batteries are divided into energy storage type and rate type based on their discharge performance. Low temperature lithium batteries are divided into military low-temperature lithium batteries and industrial low-temperature lithium batteries according to their application fields. According to their usage environment, they are divided into three series: civilian low-temperature batteries, special low-temperature batteries, and extreme environmental low-temperature batteries.

　　C. Usage scenario:

　　Low temperature energy storage lithium batteries are widely used in military tablets, paratroopers, military navigators, drone backup starting power supplies, special flight instrument power supplies, satellite signal receiving devices, ocean data monitoring equipment, atmospheric data monitoring equipment, outdoor video recognition equipment, petroleum exploration and testing equipment, railway monitoring equipment, power grid outdoor monitoring equipment, military thermal shoes, and vehicle backup power supplies;

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