Main advantages of lithium battery

　　1. The energy is relatively high. It has a high storage energy density, which has reached 460-600Wh/kg at present, about 6-7 times that of lead-acid batteries;

　　2. Long service life, with a service life of more than 6 years. The battery with lithium ferrous phosphate as the positive pole is charged and discharged by 1C (100% DOD), with a record of 10,000 times of use;

　　3. The rated voltage is high (the single working voltage is 3.7V or 3.2V), which is about equal to the series voltage of three nickel cadmium or nickel hydrogen rechargeable batteries, so as to form a battery power pack;

　　4. It has high power endurance. The lithium iron phosphate battery for electric vehicles can reach the capacity of charging and discharging at 15-30C, which is convenient for high-intensity startup and acceleration;

　　5. The self discharge rate is very low, which is one of the most outstanding advantages of the battery. At present, it can generally reach below 1%/month, less than 1/20 of the nickel hydrogen battery;

　　6. Light weight, the weight of the same volume is about 1/6-1/5 of the lead acid product;

　　7. It has strong adaptability to high and low temperatures, and can be used in the environment of - 20 ℃ - 60 ℃. After processing, it can be used in the environment of - 45 ℃;

　　8. It is green and environment-friendly. No matter production, use or scrap, it does not contain or produce any toxic and harmful heavy metal elements and substances such as lead, mercury and cadmium.

　　9. Production basically does not consume water, which is very beneficial for China, which is short of water.

　　Specific energy refers to the energy per unit weight or unit volume. Specific energy is expressed in Wh/kg or Wh/L. Wh is the unit of energy, W is watt, and h is hour; Kg is the kilogram (unit of weight) and L is the liter (unit of volume).

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