Why do more and more people choose lithium batteries?

Author: Chao Li Yang Pageviews:75 Time:2020-06-01

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

  2. Long service life, the service life can reach more than 6 years, the battery with lithium iron phosphate as the positive electrode is charged and discharged at 1C (100% DOD), and it can be used for 10,000 times.

  3. The rated voltage is high (the single operating voltage is 3.7V3.2V), which is approximately equal to the series voltage of 3 nickel-cadmium or nickel-metal hydride rechargeable batteries, which is convenient to form a battery power pack;

   4. It has high power tolerance, among which the lithium iron phosphate lithium ion battery used in electric vehicles can reach 15-30C charge and discharge ability, which is convenient for high-intensity startup;

5. Low self-discharge rate, which is one of the most prominent advantages of the battery. It can generally achieve 1% per month, which is much lower than 25-30% of Ni-Cd and 30-35% of Ni and MH. .

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

  7. Strong high and low temperature applicability, can be used at -20°C-60°C, and can be used at -45°C after processing.

   8. Green and environmental protection, regardless of production, use or obsolescence, no lead, mercury, cadmium and other toxic and harmful heavy metal elements and substances are contained or produced.

   9. Production does not consume water at all, which is very beneficial to our water-scarce country.

   10. Specific energy refers to the energy per unit component or unit volume.

  The specific energy is expressed in Wh/kg or Wh/L. Wh is the unit of energy, W is watt, h is hour; kg is kilogram (unit of weight), L is liter (unit of volume).

   So more and more people choose to use lithium batteries.


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