We are a Storage Battery Manufacturers. As we all know, all batteries lose capacity in low-temperature environments, such as battery cars or electric cars. Due to low temperature, the driving range is reduced, and the battery life of electronic devices will also be shortened. So, why are batteries not durable in winter?

　　1. In a low temperature environment, the electrolyte has poor compatibility with the anode separator, which is suitable for all batteries (lead acid/lithium ion). At the same time, as the temperature decreases, the magnetic viscosity of the electrolyte increases, and even freezes. The electrolyte in the lead-acid battery is also affected by the sulfuric acid solution. The change in viscosity or solidification will also affect the battery conductivity of the electrolyte.

　　2. In a low temperature environment, the performance of the sponge fiber active material contained in the lead-acid battery lead alloy fence deteriorates, the separator's ability to prevent the active material from falling off is also reduced, and the overall battery operating condition is very poor. Lithium batteries present a serious lithium ion negative electrode and lithium precipitation state in a low-temperature environment. This metal lithium reacts with the electrolyte to form a precipitate, which affects the thickness of the solid electrolyte and the operating conditions of the battery.

　　Simply put, batteries are very sensitive to temperature. The lower the ambient temperature, the worse the battery's charge and discharge capacity, battery capacity and transmission impedance. The ideal operating environment of the battery is about 25 degrees Celsius, lead-acid batteries should not exceed 50 degrees Celsius, and lithium batteries should not exceed 60 degrees Celsius. Excessive temperature will also degrade the battery.

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