Low Temperature Battery

Low Temperature Battery

Low temperature lithium battery, a type of lithium metal battery, has an operating temperature of -20°C to 60°C. It can work normally at low temperature, but the charging and discharging efficiency is low. It has the advantages of small size, high specific energy, good cycle performance and low cost.

Low-temperature lithium batteries are made of special materials and processes, suitable for use in sub-zero cold environments, and have excellent discharge capacity and performance. Generally, they are required to work normally in an environment of -40 degrees, and the discharge capacity is maintained at 80 % or more, the minimum working temperature can reach -50℃.

The low-temperature lithium battery uses VGCF and activated carbon with a specific surface area of (2000±500)㎡/g as additives and its matching positive and negative electrodes, and injects special electrolytes with special additives to ensure the low-temperature discharge function of lithium batteries. The volume change rate is less than or equal to 0.5% when the high temperature is 70°C for 24h, and it has the safety and storage function of conventional lithium batteries.

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