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How does the dry battery have no mercury?

How does the dry battery have no mercury?   Mercury is known as "mercury", is a substance for liquid at room temperature, which prevents oxidation of cathode metal zinc in the battery, which improves the battery life.   Therefore, it is hard to make preservatives with a certain amount of mercury in the previously used zinc. However, the combination of mercury and mercury has neurotoxicity, and there is a negative impact on endocrine systems, immune systems, etc., which will cause people with tenth tooth, step instability, paralysis, and finally lead to whole body spasm, mental disorders.   With the advancement of technology, the battery began to gradually implement low and mercury-free, and mercury substitute surfactant FORAFAC fluorinated polymers, in preventing the corrosion of zinc, has achieved good results. For a long time, when my country's production of dry batteries, a compound of toxic substance-mercury or mercury is added. my country's alkaline dry batteries have a mercury content of 1% to 5%, and the neutral dry battery is 0.025%, and the mercury used in the production of dry batteries nationwide is more than tens of tons. Recommend: LiFePO4 Battery Manufacturer Energy storage battery Manufacturer Integrated machine energy storage battery series Manufacturer Lead lithium battery Manufacturer Outdoor Backup Battery Manufacturer Portable outdoor power supply Manufacturer Power battery Manufacturer Powerwall LiFePO4 Battery Manufacturer Battery rack Manufacturers Telecom LiFePO4 Battery Manufacturer Wall mounted battery storage Manufacturer China Lifepo4 Battery LiFePO4 Battery 48V 150AH LiFePO4 Battery 48V 100AH