Sharing method of anti-freezing of electric vehicle battery in winter

The arrival of winter has caused some industries to start anti-freezing measures. For the anti-freezing of electric vehicle batteries, most people do not take it seriously. In fact, not paying attention to the anti-freeze of electric vehicle batteries is also an important reason why batteries are difficult to repair and even scrap.

Therefore, in the winter, we should pay attention to the anti-freezing measures for the battery, the battery recruitment network editor prompts the owners, battery antifreeze can start from the following aspects:

1. Greenhouse overhead storage: In order to prevent the battery from being frozen, the electric vehicle battery should be stored in the house above 0°C when not in use, and should not be placed directly on the ground.

Before storing, clean the exterior of the electric vehicle battery, add enough electrolyte, fully charge, and tighten the screw plug.

2. Increasing the electrolysis temperature: The temperature of the electrolyte has a great influence on the capacity of the electric vehicle battery. When the ambient temperature is lowered by 1 °C, the capacity is reduced by about 1% - 2%.

To this end, to increase the temperature of the electrolyte, the electric vehicle should be parked indoors, or the battery should be moved into the room above 0 °C.

3, the water and liquid are evenly mixed: the electric vehicle battery should be mixed with distilled water and evenly mixed with the electrolyte. If it is too late to mix, the distilled water floating on the upper layer of the electrolyte will freeze.

To add distilled water to the electric vehicle battery in the winter, it should be charged immediately, or distilled water can be added while charging, so that the electrolyte and distilled water can be quickly mixed, and it will not freeze.

4, increase the liquid ratio: the electrolyte consists of water and sulfuric acid, the higher the content of sulfuric acid in the electrolyte, the higher the specific gravity of the electrolyte, the lower the temperature of the electrolyte freezing.

To this end, localities can choose the appropriate electrolyte specific gravity according to the local minimum temperature in winter to prevent the electrolyte from freezing. Once the electrolyte has iced, it will cause the battery to be scrapped.

5, maintain the state of full power: in the winter when the electric vehicle battery discharge 50%, the electrolyte has the danger of freezing.

For this reason, the discharge level of the electric vehicle battery in winter is not allowed to exceed 50%. In the winter, it is necessary to check the storage condition of the electric vehicle battery frequently. When it is insufficient, it should be replenished in time.Ensuring the storage capacity of the electric vehicle battery is to effectively protect the battery.

The page contains the contents of the machine translation.