What are the differences between lithium batteries and dry batteries? Which one is better?

Dry batteries generally contain heavy metals such as mercury and lead. Because they are primary batteries, they will be discarded when used up, which can easily cause battery pollution. The lithium battery does not contain harmful metals. The lithium battery itself has a fast charging function and a long cycle life, which is a height that dry batteries cannot reach. Moreover, in terms of safety, lithium batteries also have protection circuits. Dry batteries are a voltaic battery that uses some kind of absorbent (such as wood chips or gelatin) to make the contents into a paste that will not overflow. It is often used as a power source for flashlight lighting, radios, etc. After years of development in my country's dry battery technology, its specific energy, cycle life, high and low temperature adaptability issues have been broken. Dry batteries Dry batteries are also called voltaic batteries. It is made up of multiple groups of circular boards appearing in pairs and stacked in a certain order. The inside can be pasty material or gelatin. This kind of battery is a primary battery, which means that it cannot be continuously charged for use after it is discharged. This is also the big difference between dry batteries and lithium batteries. AA batteries and AA batteries that we often see in wireless mice, alarm clocks, calculators, radios, etc. are dry batteries. Once they are used up, they will end their life. There are many types of lithium battery soft-pack lithium batteries. There are many kinds of lithium batteries. Currently, the commonly used lithium batteries in the market include lithium batteries, lithium iron phosphate batteries, polymer lithium batteries and 18650 lithium batteries. Lithium batteries are secondary batteries in relation to dry batteries, which are batteries that can be continuously charged and recycled after the power is exhausted. This feature of recycling has become a watershed between secondary batteries and dry batteries. Lithium batteries are generally divided into lithium batteries and lithium polymer batteries, which are widely used in mobile phones, electric vehicles, small household appliances, notebooks, and electric shavers. It is more widely used than dry batteries. Advantages of lithium batteries: 1) High energy density. Its volumetric energy density and mass energy density can reach 450W.h/dm3 and 150W.h/kg respectively, and they are constantly increasing. 2) The uniform output voltage is high (about 3.6V), which is 3 times that of Ni-Cd and Ni-l batteries. 3) Large output power. 4) The self-discharge is small, less than 10% per month, less than half of Ni-Cd and Ni-Ml. 5) Without the same memory effect as Ni-Cd and Ni-MH batteries, the cycle performance is superior. 6) It can be charged and discharged quickly, and the capacity can reach more than 80% of the nominal capacity when charging at 1C. 7) The charging efficiency is high, basically 100% after the first cycle. 8) The operating temperature range is wide, -30~+45℃. With the improvement of electrolyte and positive electrode, it is expected to expand to -40~+70℃, and the low temperature may expand to -60℃. 9) No maintenance required. 10) It is more environmentally friendly and is called a green battery. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Detailed explanation of the advantages and disadvantages of lithium manganese oxide batteries