Lead-acid battery resistant to cold and low temperature

by:Power Kingdom     2021-06-18
Tags: Cold-resistant and low-temperature lead-acid batteries. In the cold winter, outdoor operations or instruments require power supply, but the mains is not enough. Many people think of using batteries. Lead-acid batteries are of course the first choice because of their low price and high stability. However, the lowest temperature in some places is very low, sometimes it can reach minus fifty degrees. Is there such a cold-resistant lead-acid battery on the market? Let's first understand from the principle of the battery: when the lead-acid battery is discharged, the lead dioxide in the anode and the spongy lead in the cathode react with the sulfuric acid in the electrolyte to turn into lead sulfate and water, which converts chemical energy into electrical energy. Release it. When charging, the lead sulfate of the anode and the anode is converted into lead dioxide and spongy lead respectively, and the electrical energy is converted into chemical energy for storage. If used at a constant temperature of 25 degrees Celsius, the performance of the battery will be optimized. Furthermore, let's take a look at the effect of temperature on lead-acid batteries. Please see the following figure: We can see that the lower the temperature, the lower the actual capacity of the battery. So in such extremely cold conditions, can lead-acid batteries still be used? In fact, they have a range of operating conditions. The ambient temperature range of lead-acid batteries is minus 20 degrees to 60 degrees Celsius. If it exceeds this range, the battery will not be able to carry out chemical reactions and cannot supply power. Therefore, it is impossible to use lead-acid batteries at minus fifty degrees.
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