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What is the harm of electric car overdischarge to battery?
May 03, 2018

Electric vehicle battery cathode active material in the process of discharge, the cathode active material are gradually into the resistance being very high PBSO4, and consumption of sulfuric acid in the electrolyte, internal resistance increases gradually, so after discharge, especially in the large current discharge will send a lot of calories, and small amounts of sulfuric acid battery over discharge reduced sulphuric acid concentration is very low, when the PBSO4 solubility increased dramatically, so easy on the plate form a thick hard PBSO4 crystal, namely "irreversible sulfate is greatly weakened battery charging accept ability, especially large.


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