18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
Sino Technology Manufacturer Group co.,ltd Home  >  product  >  polymer lithium battery
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

Sino Technology Manufacturer Group co.,ltd
Sino Technology Manufacturer Group co.,ltd

1.5v dry cell battery
1.5v dry cell battery
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1.5v dry cell battery

1.5v dry cell battery

Model No.: D

Voltage: DC5.0V

Size: 32.3*59mm

Capacity: 6000mWh

Lnterface: Micro USB

Constant voltage: DC1.5V

Shelf life: ≥1000 times


Product description

Related Products

  A brief introduction to the recycling process of dry batteries

  1 Hydrometallurgical process waste dry battery accident metallurgical recycling process is based on the principle that zinc and manganese dioxide are soluble in acid, so that zinc and manganese dioxide in zinc-manganese dry battery react with acid to form soluble salts and enter the solution. After purification, it can be decomposed to produce metal zinc and electrolytic manganese dioxide or produce chemical products

  1 Hydrometallurgical process

  In the metallurgical recovery process of waste dry batteries, based on the principle that zinc and manganese dioxide are soluble in acids, zinc, manganese dioxide and acids in zinc-manganese dry batteries form soluble salts and enter the solution, and the solution is decomposed after purification. Production of metal zinc and electrolytic manganese dioxide or production of chemical products, fertilizers, etc. The methods used are roasting-leaching method and direct leaching method.

  roasting-leaching method

  The roasting-leaching method is to mechanically cut waste dry batteries, sort out carbon rods, copper caps, and plastics, and fully expose the internal powder and zinc cylinders of the batteries. Then, at 600 degrees Celsius, roast in a vacuum roaster for 6-10 hours to volatilize metal mercury, NH4Cl, etc. into the gas phase, and recover them through condensation equipment. The tail gas must be strictly treated to minimize the mercury content; After grinding, magnetic separation and sieving can be used to obtain iron sheet and zinc particles with high purity. The sieved material is leached with acid, and then metal zinc and electrolytic manganese dioxide are recovered by electrolysis from the leaching solution.

  direct leaching

  The direct leaching method is to crush, sieve, and wash the waste dry batteries, and then directly use acid to leach metal substances such as zinc and manganese in the batteries. After filtering and purifying the filtrate, the metals are extracted or chemical products are produced.

  2 Pyrometallurgical process

  Pyrometallurgical treatment of waste dry batteries is a process of oxidizing, reducing, decomposing, volatilizing and condensing metals and their compounds in waste dry batteries at high temperatures. The fire method is divided into two categories: traditional atmospheric metallurgy and vacuum metallurgy. All the operations of atmospheric metallurgy are carried out in the atmosphere, while the vacuum method is carried out in a closed negative pressure environment. Most experts believe that the fire method is the best way to deal with waste dry batteries, and it is effective for the amount of mercury recovered.

  atmospheric metallurgy

  At present, as a traditional atmospheric metallurgy method for treating waste dry batteries, there are two methods: one is to heat waste dry batteries at a lower temperature to volatilize mercury first, and then recover zinc and heavy metals at a higher temperature The second is to roast waste dry batteries at high temperature to volatilize the volatile metals and their oxides, and the residues are used as metallurgical intermediate products or treated separately.

  vacuum metallurgy

  Since all the operations of the atmospheric pressure metallurgical method for treating waste dry batteries are carried out in the atmosphere, the air participates in the operation, which has the disadvantages of long process and heavy pollution. Therefore, people have developed a vacuum method. The vacuum method is based on the fact that each component of the waste dry battery has different vapor pressures at the same temperature, and through evaporation and condensation in a vacuum, they are separated from each other at different temperatures, thereby realizing comprehensive recycling. When evaporating, the components with high vapor pressure enter into the steam, and the components with low vapor pressure stay in the raffinate or residue. When condensing, the steam condenses into liquid or solid at a lower temperature.

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