Is It True That The Higher The Temperature ,The Greater The Battery Activity And The Longer The Battery Life?

There exists a prevalent saying that the higher the battery temperature is, the longer the cruising range is. In fact, it is not the case that the higher the temperature , the greater the battery activity and the longer the cruising range. The length of the cruising range actually depend on many factors. As the battery temperature rises, the risks of the battery's spontaneous combustion, catching fire and explosion will increase.

For a battery, the heat it generates mainly depends on the type of the working state of the battery and the state of charge of the battery. Of course, it is also affected to a certain extent by the ambient temperature. Take a 100Ah lithium iron phosphate battery as an example. When the temperature starts to drop and reaches around 10°C, the internal resistance will approximately double as the temperature drops. At this time, relatively speaking, the conductivity of the electrolyte will decrease.

When the temperature rises, within its reasonable range, it is certain that the higher the temperature, the better the conductivity performance. In addition, the higher the ambient temperature, the less heat the storage battery generates by itself, and the less chemical energy it consumes,the usage efficiency will be higher, and the cruising range of the battery will gradually increase as well.

However, it cannot be said that the cruising range will increase under high temperature conditions, because the cruising range mainly depends on the battery power. And the battery power is also determined by the capacity of the battery pack. The larger the capacity becomes, the longer the cruising range will naturally be.