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What's a Low temperature lithium battery or cryogenic lithium battery

Views: 204     Author: Hedy     Publish Time: 2023-05-15      Origin: Site

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What's a Low temperature lithium battery or cryogenic lithium battery

Low-temperature lithium batteries usually refer to lithium batteries that can work normally in the natural environment where the ambient temperature is getting lower and lower. Low-temperature lithium batteries ( Low temperature LiSOCL2 battery,Low temperature ultra thin battery, Low temperature LiMNO2 battery,Low temperature LIPO battery )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 types of low temperature lithium batteries mainly include low temperature Lithium thionyl chloride batteries ( LiSOCL2 battery), low temperature soft pack ultra thin battery, LiMNO2 battery and low temperature polymer lithium batteries ( LIPO battery ).

Low-temperature lithium batteries have become more and more popular due to their light weight, high specific energy and long life, Low-temperature lithium batteries are mainly used in aerospace, aviation vehicle navigation equipment, deep-sea diving equipment power supply, polar scientific research, expedition equipment power supply, cold zone rescue, disaster relief power supply, cold-proof clothing, cold-proof shoes, power supply lights, power communication, information security management, medical treatment Equipment electronic components, railways, ships and service robots, etc.

What are the factors that affect low temperature lithium batteries?

1. Positive electrode structure:

The three-dimensional structure of battery cathode materials controls the diffusion rate of lithium-ion batteries.

2. High melting point electrolyte solvent

The key is that there is a high solubility organic solvent in the electrolyte, and there is an organic solvent in a lithium battery. In an ultra-low temperature environment, the viscosity of the electrolyte increases.

3. Diaphragm/ Separator

In a low-temperature geographical environment, the negative phase of the lithium battery separator becomes thicker, and the characteristic impedance of the separator increases, resulting in a decrease in the transmission speed of the lithium battery in the separator.

In order to improve the characteristics of low-temperature lithium batteries ( Low temperature LiSOCL2 battery,Low temperature ultra thin battery, Low temperature LiMNO2 battery,Low temperature LIPO battery), the hazards of positive, negative and lithium battery electrolytes must be considered. Through the overall improvement of the rechargeable battery management system, the polarization of the lithium battery at ultra-low temperature is greatly reduced, and the low temperature characteristics of the rechargeable battery are further improved. The application of lithium-ion batteries at low temperatures, whether it is battery charging or charging and discharging, is not good, may cause harm to life, or should be avoided.

We have a number of lithium battery PACK production lines, aging, capacity division and other production equipment and a large number of experienced industrial workers.

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