102450 polymer battery

　　Methods to improve low-temperature characteristics of 102450 polymer battery

　　Factors affecting the low temperature characteristics of 102450 polymer battery

　　While 102450 polymer battery have many advantages over other rechargeable batteries in terms of cycle system life and time, their performance is worse at low temperatures. Therefore, it is more reasonable to improve the low-temperature performance of 102450 polymer battery.

　　1. Positive electrode. Lithium iron phosphate battery charging electrode material has relatively weak electrical conductivity in electronic devices, which can easily cause polarization and reduce lithium capacitance.

　　2. Negative pole. The negative potential of lithium-ion batteries is very harmful to ultra-low temperature batteries and seriously endangers the safety of rechargeable batteries.

　　3. Lithium battery electrolyte. In ultra-low temperature environments, the viscosity of the lithium battery electrolyte in the rechargeable battery increases, which increases the characteristic impedance of the lithium-ion battery.

　　Methods to improve low-temperature characteristics of 102450 polymer battery

　　1. Positive electrode. Grain size, resistance, and planar axis dimensions all adversely affect the ultra-low temperature characteristics of lithium-ion batteries. The ultra-low temperature charge and discharge characteristics of lithium ions are improved from the processing technology. Increasing the floor plan length increases the safe passage of the lithium-ion battery, helping to increase the rechargeable battery multiple. Ultra-low temperature charging and discharging of Lifepo4 batteries with different particle sizes. PO4 batteries have better charging and discharging effects at ultra-low temperatures of 20℃ and 20℃.

　　2. Negative pole. For ultra-low temperature lithium iron phosphorus rechargeable batteries, the hazard factor is a negative value, which depends on the size of the negative value and the interval change of the negative value. Different lamellar spacing and particle size of battery cathode materials - artificially synthesized high-purity graphite, high-purity graphite with large embedded particles, from the perspective of antigen, its own resistance characteristics and positive ion transfer characteristics are smaller. As the spacing of high-purity graphite increases and the grain size decreases, lithium phosphate batteries using constant current power cells charged at ultra-low temperatures have greatly improved.

　　3. Lithium battery electrolyte. At temperatures of minus 20 degrees Celsius or even lower, the lithium iron phosphate battery electrolyte in the lithium battery is prone to freezing and expansion problems, resulting in deterioration of characteristics. Experimental results show that the harm of organic solvents to the ultra-low temperature of rechargeable batteries ranges from 70% to 90%, up to 10 points. Different lithium salts also have adverse effects on the charging characteristics of ultra-low temperature rechargeable batteries. When only the preservative was changed, experiments found that the ultra-low temperature preservative could increase the battery's charge and discharge capacity from 85% to 90%.

　　According to the composition of the internal material layer of the rechargeable battery, methods and key points are proposed to improve and improve the ultra-low temperature characteristics of 102450 polymer battery. In fact, in order to improve the characteristics of rechargeable batteries at ultra-low temperatures, it is not only necessary to improve the raw material composition inside the battery, but also to improve the rechargeable battery intelligent management system, universal circulation system and other aspects to be more effective.

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