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Low temperature resistance lithium iron phosphate battery features

Jan.15.2020 152

Are lithium batteries afraid of low temperatures?Low temperature resistance lithium iron phosphate battery features.As we all know, low temperature environment will have a certain impact on the battery performance of electric vehicles.Low temperature is an obstacle to the promotion of electric vehicles in the great north of China and the high cold regions, and it is also a heart disease of power battery enterprises. To overcome the low temperature resistance of power lithium iron phosphate battery packs has been one of the key efforts of the industry.

At present, there are two kinds of battery technologies for electric vehicles in the market, namely terpolymer lithium battery and lithium iron phosphate battery.No matter what kind of battery technology, there are battery performance degradation in low temperature environment.

It is an objective fact that the battery performance is affected by the temperature. As an electric car user, we cannot completely avoid this problem at this stage.However, from the perspective of use, we can minimize the impact of low temperature environment on the electrical performance.

Lithium battery for low temperature electric vehicle

Lithium battery for low temperature electric vehicle

At present, most electric vehicles on the market will be designed with battery "insulation" function.The simple understanding is that when the battery temperature is too low, the battery management system will take part of the electricity into heat, for the whole lithium battery pack to heat.If the vehicle is not used for a long time, low temperature will lead to performance degradation of lithium battery components, which is not conducive to extending its service life.

The characteristics of lithium battery pack in low temperature environment will significantly decline, the voltage and capacity will be much smaller, generally in 10 degrees below the lithium battery will be abnormal performance, so a good system will have a thermal insulation function to prevent lithium battery in low temperature work, causing adverse effects.

 

 


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