Will the cold battery freeze? (Figure)

Will the cold battery freeze? (Figure)

A battery is the primary energy storage device on a car that provides power to all electronic systems on the vehicle. Modern cars are becoming more and more electronic, and the lack of electricity in batteries will cause the whole vehicle to collapse. So will the battery freeze because the temperature is too low? Let's study it together.

What should I do if the battery freezes?

The battery liquid in the battery is water and sulfuric acid, then the battery is likely to freeze at low temperatures.

After the battery freezes, our vehicle will not start. We should remove the battery from the car, then move it to a heated place inside the room to allow the battery to melt before loading it into the car. Of course, in the evening, the battery is removed and taken to a warm place in the house to avoid the occurrence of battery icing.

What is the freezing point of the battery electrolyte?

The normal battery sulfuric acid concentration is 35% - 40%. According to the "sulphate-water mixture freezing point curve", we can know that the freezing point of the electrolyte is between -60 degrees Celsius and -50 degrees Celsius. From the data point of view, as long as the battery liquid density is between 1.25 and 1.30, it is unlikely to freeze (unless you use a car in a very northern part of China).

However, as the concentration of sulfuric acid decreases, the freezing point of the battery liquid rises, which makes the battery liquid freeze. For example, Beijing's winter minimum temperature is generally below minus ten degrees. When the battery liquid density is as low as 1.10, the battery may freeze. The most common cause of the above changes is the excessive discharge of the battery.

How to avoid over-discharging the battery:

1) Avoid using high-power appliances when parking. High-power appliances include headlights, fog lights, seat heating, audio and air conditioning.

2) Check the headlights and the roof lights in the car before parking. If you forget to turn off the headlights after parking, the vehicle's computer will not automatically turn off the lights, and the chances of not being able to drive the next morning will be 99%.

3) The battery negative should be removed when the vehicle is not used for a long time. Due to the weak current consumption in the vehicle's circuitry during parking, standing the vehicle for a long time will cause the battery to run out.

to sum up:

The owners of the car owners should pay more attention to the battery of the vehicle, and regularly check the condition of the battery to avoid excessive discharge of the battery. If the battery has been used for a long time, and it is found that the vehicle has difficulty starting, the headlights are not bright enough, we recommend that the owners should replace the battery as soon as possible.

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