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Who is better, lithium iron phosphate and ternary?

by:Vglory      2021-05-14
1. Advantages and disadvantages of lithium iron phosphate (1) Ultra-long life, lithium iron phosphate material used as the positive electrode of the battery has the characteristics of long life, and the cycle life can reach more than 2000 times. (2) The use of high safety, lithium iron phosphate as the cathode material for lithium batteries has completely solved the potential safety hazards of lithium cobalt oxide and lithium manganese oxide. Lithium cobalt oxide and lithium manganese oxide may explode under strong collisions. Consumers’ life safety poses a threat, and lithium iron phosphate is the safest lithium battery because it has undergone strict safety detection and will not explode even in the worst traffic accidents. (3) High temperature resistance, the peak value of lithium iron phosphate electric heating can reach 350℃500℃, while other lithium batteries are only around 200℃. (4) Fast charging can be achieved, and lithium iron phosphate can be charged at a rate of 3C to 5C; Disadvantages (1) The electronic conductivity of lithium iron phosphate is low, which is lower than that of other ternary lithium battery cathode materials; (2) Compared with other ternary lithium batteries, the tap density is slightly lower; (3) In terms of low temperature performance, general lithium iron phosphate is worse than other general ternary lithium batteries, and the capacity below minus 20 degrees is greatly reduced; 2. Advantages of ternary lithium: (1) The conductivity of the anode material of ternary lithium battery is higher than that of lithium iron phosphate; (2) The tap density of ternary lithium battery is higher than that of lithium iron phosphate. High, with greater capacity; (3) In terms of low temperature performance, the general ternary lithium battery is better than the general lithium iron phosphate, and the capacity retention rate below minus 20 degrees is greater; Disadvantages: (1) In the cycle life Above, the lithium iron phosphate material used as the positive electrode of the battery has the characteristics of long life, with a cycle life of more than 2000 times, while the ternary lithium is generally about 500 times, which is much shorter than the life of lithium iron phosphate. (2) In terms of safety performance, the use of lithium iron phosphate as the cathode material for lithium batteries has completely solved the potential safety hazards of ternary lithium cobalt oxide and lithium manganate. The ternary lithium may explode under strong collisions. , Poses a threat to consumers’ life safety, and lithium iron phosphate is the safest lithium battery because it has undergone strict safety detection and will not explode even in the worst traffic accidents. (3) In terms of high temperature resistance, the peak temperature of ternary lithium battery is only around 200℃, which is much worse than that of lithium iron phosphate which can reach 350℃500℃. 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: What are the common problems in the use of 18650 lithium battery packs?
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