Ten advantages of lithium batteries for electric vehicles

　　(1) Long cycle life: lithium power supply charge and discharge 1C times, cycle life is greater than or equal to 1500 times, the capacity is greater than 70% of the allowable difference copper bundle. Even if the lead-acid battery is charged and discharged, the rechargeable battery should not have a cycle life of more than 350 times and its capacity should not exceed 60%

　　(2) Low capacity charge and discharge performance: lithium can be used for all normal work. At -25 ° C, its capacity can reach 70% of the capacity, while the lead-acid battery at -10 ° C capacity is 50%, can not work normally at -25 ° C.

　　(3) Strong differential polarization maintenance: the capacity of lithium-ion battery is greater than or equal to 80% after two months of charging, while the capacity of lead-acid battery is only 40%-50% of the tolerance capacity within two months

　　(4) Recovery capacity: the net weight of lithium battery pack only accounts for 30% of lead-acid battery, so the capacity of lithium battery under the same working voltage, capacity and service life

　　(5) High energy density: the capacity of lithium-ion battery is only 30% of that of lead-acid battery, so lithium-ion battery should be stored in the same lithium-ion battery, whose kinetic energy is greater than that of lead-acid battery

　　(6) Wide operating temperature range: lithium batteries can work in the range of -25 to 55 degrees, while lead-acid batteries can only work in the range of 10 to 40 degrees.

　　(7) Battery charging time is short: lithium batteries have the characteristics of charging high-current batteries. Battery charging time is 4-5 hours and lead-acid battery charging time is 8-10 hours

　　(8) Low carbon environmental protection: compared with lead-acid batteries containing a large number of heavy metals harmful to the physical and natural environment, lithium-ion batteries are energy-saving products

　　(9) Charging amplification current: the charging amplification current of lithium battery is 1C times, and the capacity is only 60% of the rated capacity

　　(10) High current charge and discharge will not damage the service life of the circulation system: lithium ion charge and discharge and multi-current discharge will not damage the service life of the circulation system. Multi-current charging and discharging of lead-acid batteries. Its service life is only 30%-40%

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