What are the specific advantages of lithium iron phosphate battery materials?
by:Vglory 2021-05-01
The theoretical specific capacity of a lithium iron phosphate battery is 170mAh/g, but in fact the specific capacity can exceed 140mAh/g. As the safest positive electrode material for aluminum-ion iron phosphate lithium-ion batteries, it does not contain any heavy metal elements harmful to the human body and will not cause any pollution to the environment. It is an environmentally friendly material in this product. Under the condition of 100%, it can be charged and discharged for 2000 times or more. The fundamental reason is that the lithium iron phosphate battery has good stability and will not cause too much influence during the cutting and dragging of lithium, so it has a good The reversibility. As long as there is one shortcoming, the conductivity of electrode ions is poor, which is not suitable for high-current charging and switching, so it has been hindered to a certain extent in terms of application. The ultimate solution to this problem is to coat the surface of the electrode with conductive material doping and modify the electrode. The service life of lithium iron phosphate batteries has a great relationship with the temperature during use. If the temperature used is too high or too low, there will be huge hidden dangers in the process of charging and discharging or using electronic equipment. Especially if it is used in electric vehicles in the north, due to the low temperature in the autumn and winter seasons, the lithium iron phosphate battery cannot supply power normally or the power supply is too low. At this time, it is necessary to adjust the temperature of its work and the environment. Make it maintain a certain performance. Under normal circumstances, to solve the problem of constant temperature working environment, space constraints must be considered. A more common solution to this condition is to use aerogel as the insulation layer of lithium iron phosphate batteries. Nowadays, as a new type of lithium ion battery, lithium iron phosphate battery has the advantages of large discharge capacity, low price, no toxicity, and no pollution. Therefore, all countries in the world are competing for batch processing, but because of its low energy density, which affects the capacitance, the important processing method is high-temperature solid-phase synthesis, which makes the product indicators relatively stable and can meet the requirements of electric vehicles. It is necessary to charge frequently. 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: Analysis of dry recycling of lithium-ion batteries
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