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What are the Hazards of Lithium Battery Pressure Difference?

Feb. 20, 2021

There are many kinds of lithium batteries, such as ternary lithium, lithium manganese, lithium iron phosphate batteries, etc. by the raw material system; the volume, rate, and high rate of the use of rechargeable batteries; the high temperature resistant lithium electronics planned by the application area, Low-temperature-resistant lithium batteries; steel shell, polymer, square, 18650, 26650, etc., divided by the exterior, have a complete variety, and there is no way to illustrate them here. Let's talk about lithium batteries. What are the hazards of lithium battery pressure difference? As an Emergency Lighting Battery Supplier, share it with you.

Solar Lighting Battery Lithium

Solar Lighting Battery Lithium

Today, the key to lithium batteries used in electric vehicles are ternary lithium batteries and lithium iron phosphate rechargeable batteries, 18650 cylindrical and polymer hard packs, but 18650 cylindrical ternary lithium is popular. The working voltage area of the ternary lithium battery is the nominal voltage and the lithium battery is based on the working voltage volume regulation during the application, and several batteries are connected in series and composed.

For example, if a 2Ah capacity rechargeable battery must be assembled into a 36V/10A lithium battery pack, then five must be connected in that case, and then 10 in series, a total of 50 18650 must be used; lithium batteries are afraid of overcharge and overdischarge. Therefore, the lithium battery pack and the external power circuit should be based on a maintenance power circuit to limit the upper and lower working voltage of the rechargeable battery.

The uniformity of a variety of lithium battery packs and lithium battery packs is very high. The volume, internal resistance, and charging and discharging service platform of a set of 18650 lithium battery packs all need the same; but when you go home, you can’t find two in the world. The lithium battery packs are exactly the same, so it must be impossible to make the same lithium battery packs. Certain differences are allowed. However, the specifications of each lithium battery pack are different, so the quality also has the problem of uneven quality.

What harm does the pressure difference of the lithium battery have? For example, for a 36V battery, due to various reasons, one of the series of rechargeable batteries have already achieved the maintenance value when the battery is charged, and the battery charging function of the lithium battery protection board may be turned off, even if the other rechargeable batteries are The working voltage is still unable to carry out volume filling.

When charging and discharging, the low volume will first maintain the lower limit value of the working voltage, even if the rechargeable battery has a volume that has not been charged and discharged, the lithium battery protection board will also turn off the charge and discharge function, which is a white short board effect! This should let everyone know that the pressure difference will cause the overall efficiency of the lithium battery pack to be fully utilized. The key is reflected in the shortened schedule, cycling power failure, and insufficient battery charging.

Our company also has Solar Lighting Battery Lithium on sale, welcome to contact us.

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