Detailed analysis of the top ten cold knowledge of lithium batteries!

Here are the top ten advantages of lithium-ion batteries 1 methyl 2 pyrrolidone. What are the benefits of lithium-ion batteries for electric vehicles? Here's a little introduction:

Long cycle life:

The lithium-ion battery is charged and discharged at a rate of 1C, and the cycle life is greater than or equal to 500 times nmp. The 500th capacity is 70% larger than the nominal copper beam. However, even if the lead-acid battery is discharged at 0.5C and charged at 0.15C, its cycle life is less than or equal to 350 times, and its capacitance is less than or equal to 60%.

Good discharge performance at low temperature:

Lithium-ion power battery technology can work normally at -25 degrees, and its capacity change can reach 70% of the nominal system capacity, while the lead-acid ion battery has 50% of the capacity at -10 degrees nmp solvent, and at -25 degrees No: Can manage work normally.

Strong charge retention ability:

A fully charged lithium-ion battery pack has a capacity greater than or equal to 80% after two months, while a lead-acid battery has only 40-50% of its nominal capacity after two months.

Strong ability to continue:

Since the weight of the lithium-ion battery pack is only 30% of that of the lead-acid battery, the lithium-ion battery has a strong continuous operation capability under the same voltage and capacity.

High specific energy:

Because the volume of lithium-ion batteries is only 30% of that of lead-acid batteries, lithium-ion batteries have greater energy reserves than lead-acid batteries when used in the same space.

Wide operating temperature range:

Lithium-ion batteries can work in the range of -25 degrees to 55 degrees, while lead-acid batteries can only work in the range of 10 degrees to 40 degrees.

Short charging time:

Since the development of lithium-ion batteries in my country has the characteristics of being able to charge with a large current, we only need 4-5 hours to charge, while lead-acid batteries need 8 to 10 hours.

High environmental protection performance:

Compared with lead-acid batteries that contain a large amount of lead (a heavy metal that is harmful to humans and the environment), lithium-ion batteries are a highly environmentally friendly product.

High current discharge possible:

Lithium-ion batteries are discharged at a high current rate of 1C, and the capacity is only 60% of the rated capacity.

High current discharge does not affect cycle life:

Lithium-ion batteries are discharged at a high current rate of 1.5C, which has no effect on their cycle life. The lead-acid battery is discharged at a high current rate of 1.5C, and its cycle life is only 30%-40% of the nominal cycle life.