Is the lithium battery of electric vehicle afraid of freezing?

Lithium batteries for electric vehicles are afraid of freezing. Lithium batteries are difficult to discharge at-10℃ because the electrolyte will solidify. At low temperature, the lithium charging activity and lithium intercalation activity of the negative electrode active material will be affected, and the battery capacity and rate performance will be reduced.

The best driving environment for lithium-ion electric vehicles is about 25℃. Due to the cold weather in most areas at this stage, the battery capacity will also drop significantly. Due to the special properties of lithium battery, the battery capacity will be attenuated to varying degrees at low temperature. Specifically, the usable capacity is 70% at-10℃, 80% at 0℃ and 100% at 25℃.

Extended data:

Matters needing attention

1. Charge the vehicle at the ambient temperature of 0℃~35℃. When the ambient temperature is lower than 0℃, the charging function will be turned off.

2. After being fully charged, you can charge it for another hour. The charging time of N50 should not exceed 12 hours, and the charging time of N80 should not exceed 15 hours, so as to avoid overcharging affecting the service life of the battery.

3. If you stop using the battery for a long time, please keep the battery charge at 50% and the ambient temperature at 0℃~20℃, and charge the battery at least once a month. If the charge is lower than 20% or higher than 90% for a long time, it will lead to irreversible charge attenuation of the battery.

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