New technology becomes the "magic touch" for turning waste into treasure for 18650 3500mah battery

　　1) Non-destructive repair technology With the birth of "non-destructive repair technology of used 18650 3500mah battery", the environmental pollution caused by used 18650 3500mah battery may be contained and reversed. China Nonferrous Metals Network. It is understood that this technology uses electronic pulse sweep frequency oscillation technology, and uses physical and electronic methods to solve problems that could not be solved with chemical methods in the past. China Nonferrous Metals Network.

　　The promotion and application of non-destructive repair technology can not only regenerate a large number of failed and scrapped 18650 3500mah battery, but also greatly extend the service life of in-use 18650 3500mah battery, and also relatively restrict the production volume of new 18650 3500mah battery. China Nonferrous Metals Network. The non-destructive repair technology of used 18650 3500mah battery will provide a comprehensive solution to promote the reduction, resource utilization and harmless treatment of used 18650 3500mah battery, and closely integrate the prevention and control of lead-acid battery pollution with the development of circular economy. China Nonferrous Metals Network. The application of this technology will produce huge social benefits and immeasurable economic benefits. China Nonferrous Metals Network.

　　(2) Application of "full wet method" It is understood that currently only 4 domestic companies have introduced the "half water wet and half fire" treatment method, but it will still cause a certain degree of lead pollution and sulfur dioxide pollution, while other treatment companies Generally, simple furnaces are built, chopped with axes, burned, etc. China Nonferrous Metals Network. The state has closed down a large number of such enterprises in Henan, Shandong, Guangdong and other places. China Nonferrous Metals Network. Facing an existential crisis, Zhejiang Huitong Power Supply Company successfully developed the "all-wet method" and overcame cost and technical difficulties. China Nonferrous Metals Network. The "full wet method" can effectively reuse used 18650 3500mah battery, and has the advantages of energy saving, consumption reduction, and zero emission of pollutants.

　　China Nonferrous Metals Network. It is understood that if a company recycles 3 million tons of used 18650 3500mah battery every year, it can produce an additional 90,000 tons of lead every year, with an output value of 2.25 billion yuan; it can save 330,000 tons of standard coal and 3.384 million cubic meters of water; At the same time, it can also reduce the discharge of wastewater by 3 million cubic meters, the discharge of sulfur dioxide by 375,000 tons, the discharge of dust by 199,800 tons, the discharge of waste lead by 149,800 tons, and the discharge of waste acid by 480,000 tons. China Nonferrous Metals Network. In addition, it is understood that the "full wet process" waste lead-acid battery technology invented by Zhejiang Huitong has been recognized as the first-level technical level of the "Clean Standard for Waste Lead-acid Battery Lead Recycling Industry". China Nonferrous Metals Network. The standard is divided into three levels: Level 1, Level 2 and Level 3, which respectively represent the international advanced level of cleaner production, the advanced level of domestic clean production and the basic level of domestic clean production. China Nonferrous Metals Network.

　　(3) Lead-acid battery active repair agent helps Kunming Rushan Trading Co., Ltd. recently introduced Japan's lead-acid battery repair active agent, which can "resurrect" used 18650 3500mah battery above 12V and increase their use time to 1 to 1.5 times. China Nonferrous Metals Network. If new batteries are maintained, the service life of the battery will be extended by 2 to 3 times, and a circular economy will eventually be achieved, reducing resource consumption and environmental pollution. China Nonferrous Metals Network. It is reported that when 18650 3500mah battery are in use, lead sulfate crystals are produced during the discharge process. These crystals slowly adhere to the electrode plates and accumulate thicker and thicker. Eventually, the electrodes cannot conduct electricity and the battery is scrapped.

　　China Nonferrous Metals Network. It is understood that the use of lead-acid battery repair activator can effectively decompose lead sulfate crystals and form a protective film on the electrode plate, which protects the electrode plate from being easily adhered to lead sulfate crystals and extends the life of used 18650 3500mah battery that have not yet damaged electrode plates. service life. China Nonferrous Metals Network. Some data show that the battery price of a 48V electric vehicle is generally 600-800 yuan. If the used batteries are returned to the merchant, the maximum subsidy can only be about 50 yuan. China Nonferrous Metals Network.

　　If you add a battery repair activator for only about 100 yuan, the service life can be extended to 1-1.5 times the original, saving 70% of the cost. China Nonferrous Metals Network. The introduction of this technology will greatly increase the recycling rate of used batteries, extend the service life of batteries, and reduce the number of used batteries. China Nonferrous Metals Network.

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