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1. The key of the lithium iron phosphate power lithium ion battery is made of the cathode material lithium iron phosphate LiFeCoPO4 olivine structure. The lithium iron phosphate power lithium ion battery is a kind of rechargeable battery with lithium ion metal material or lithium ion alloy as the battery cathode material and non-aqueous acid and alkaline solution; The common lithium-ion battery is mainly made of lithium manganate battery cathode material. The spinel lithium manganate battery LiMn2O4 is the battery cathode material with three-dimensional lithium-ion battery safety channel that Hunter first processed and manufactured in 1981. However, with the development trend of lithium-ion battery cathode materials, it is likely that a large number of high-quality battery cathode materials will replace the current raw materials. However, the safe use of lithium-ion battery materials is crucial.

2. The working voltage difference between lithium iron phosphate battery and lithium ion battery: the standard working voltage of lithium iron phosphate battery service platform is, full of power, and the cut-off voltage of lithium iron phosphate battery lithium ion cell is; Generally, the working voltage of the service platform of lithium-ion battery is. When it is fully charged, the charging and discharging cut-off voltage of the lithium-ion battery cell is. By comparison, the working voltage of the lithium-ion battery is higher than that of the power lithium-ion battery; The lithium iron phosphate battery is resistant to overcharge and over-discharge, and can be repaired by more than 80% after the power loss reaches 0 in a short time; Irreversible damage will occur when lithium ion batteries are overcharged and discharged.

3. The lithium ion battery of lithium iron phosphate power will not explode if it is punctured. Generally, the lithium ion battery will explode if it is punctured.

4. The lithium iron phosphate power lithium ion battery is not easy to explode when overcharged to 100%; Generally, lithium-ion batteries will release steam surge if they reach the standard value.

5. The difference between the charging and discharging characteristics of lithium iron phosphate power lithium ion battery and lithium ion battery: lithium iron phosphate power lithium ion battery can be used at a continuous charging and discharging speed of 30C, without safety risk. Some lithium iron phosphate battery rechargeable batteries can achieve 600A instantaneous current, while the general lithium ion battery is suitable for 3C charging and discharging speed under all normal conditions, which will lead to the death of the rechargeable battery.

6. The net weight difference between lithium iron phosphate power lithium ion battery and lithium ion battery: the net weight of lithium iron phosphate power lithium ion battery with the same volume is basically twice that of ordinary lithium ion battery.

7. Difference of internal resistance between lithium iron phosphate power lithium ion battery and lithium ion battery: the internal resistance of lithium iron phosphate power lithium ion battery with the same volume is much smaller than that of ordinary lithium ion battery.

8. The volume difference between lithium iron phosphate power lithium ion battery and lithium ion battery: the volume of lithium iron phosphate power lithium ion battery with the same volume is smaller than that of ordinary lithium ion battery, that is, the energy of rechargeable battery made of lithium iron phosphate battery cathode material is about 60% lower than that of ordinary lithium ion battery.

9. Price difference between lithium iron phosphate power lithium ion battery and lithium ion battery: the price of lithium iron phosphate power lithium ion battery is about 50% higher than that of general lithium ion battery.

10. Temperature difference between lithium iron phosphate power lithium ion battery and lithium ion battery during operation: the operating temperature of lithium iron phosphate power lithium ion battery is higher than that of lithium ion battery, while the operating temperature of lithium ion battery is about 6 degrees lower than that of lithium ion battery.

Generally, lithium-ion batteries do not contain metal lithium ions. During charging, lithium is removed from the positive lattice under the drive of the electric field, and then embedded into the negative lattice through the electrolyte. When discharging, the process is just the opposite. The lithium returns to the positive pole, and the electrons pass through the electric appliance and reach the positive pole from the external circuit. Because lithium-ion batteries do not contain any precious metals, the raw materials are very cheap, and there is a lot of room for price reduction. They should be the cheapest batteries.

The disadvantage is safety. Due to the good sealing of the metal shell, the potential explosion may occur when the battery heats up during use.

Lithium-ion polymer battery (Li-polymer) is based on the lithium ion battery, replacing the traditional liquid organic electrolyte with polymer electrolyte. This polymer electrolyte can be used both as a medium for conducting ions and as an isolation membrane. In addition, its reactivity with metal lithium ions is extremely low, so it effectively prevents the phenomenon of easy combustion and easy leakage of lithium ion batteries. And because the lithium polymer battery adsorbs liquid organic electrolyte on a polymer matrix, which is called colloidal electrolyte, this electrolyte is neither free electrolyte nor solid electrolyte, which makes the lithium ion lithium ion sub-polymer battery not only have the excellent performance of liquid lithium ion battery, but also can be made into ultra-thin products of any shape and size, which makes it widely applicable and has a good development prospect. In addition, the safety is better than that of lithium-ion battery. If it is heated during use, it will only swell or burn without explosion.

Lithium iron phosphate battery refers to lithium ion battery with lithium iron phosphate as cathode material. The cycle life of long-life lead-acid batteries is about 300 times, and the maximum is 500 times for lithium iron phosphate batteries, while the cycle life of lithium iron phosphate power lithium-ion batteries is more than 2000 times, and the standard charging (5-hour rate) can reach 2000 times. The lead-acid battery of the same quality is new half a year, old half a year, and maintenance and maintenance half a year, which is 1 to 1.5 years at most, while the lithium iron phosphate battery will be used for 7 to 8 years under the same conditions. In comprehensive consideration, the performance-price ratio will be more than 4 times that of lead-acid batteries.

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