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Jun 21, 2021

Will 3.2V lithium phosphate cell replace 3.7V lithium battery

Standard 3.2V lithium iron phosphate battery charge and discharge voltage range is: 2.0-3.8V, positive electrode specific capacity of 125mAh /g, its crystal structure is olivine raw material is extensive, the key is that the number of charging cycles is more than 2000 times, with excellent safety. More environmental protection, can effectively reduce the pollution of the environment, compared with 3.7V lithium ion battery, small volume 3.2V lithium iron phosphate battery has the disadvantage of less capacity, so the current use is not high.


3.2V lithium iron phosphate batteries claim to save your electronics! The nominal capacity of the battery pack is usually high, because the single battery can produce more voltage and capacity in parallel. The real capacity of the single cell is 1~3 amperes, which is just twice the voltage of the ordinary alkaline battery. With the battery-shaped placeholder, it can be used in all kinds of digital products using AA battery. Power lasts longer! Lighter weight! It can be used to install flashlights, mice, earphones and many other digital products.


However, 3.2V lithium iron phosphate battery is mainly used in electric vehicles requiring larger capacity and high voltage, new energy buses, and communication power supply. The capacity of lithium-iron phosphate batteries varies widely and can be divided into three types: small tenths to a few milliamps, medium tens of milliamps, and large hundreds of milliamps. There are also some differences in the same parameters for different types of batteries. Recently, we have seen some manufacturers claim to use "iron-added cells" as a selling point of their products, which is the so-called lithium iron phosphate battery.


The lithium iron phosphate battery pack has the following five advantages: Higher safety, longer service life, does not contain any heavy metals and rare metals (low) cost of raw materials, support, fast charging, wide working temperature range and do not contain the valuable elements such as cobalt, raw material price is low, and phosphorus, lithium, iron exists in the earth's resources abundant, will not have a shortage of feed, with the improvement of mining technology, the rise of the chemical material industry competition, As the cost of lithium iron phosphate continues to decline, various digital equipment manufacturers will adopt more 3.2V lithium iron phosphate batteries, perhaps in the future to replace the 3.7V lithium battery is also possible.

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