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What are the advantages of drone lithium batteries?

by:dcfpower     2021-03-13

What is aircraft lithium battery? Aircraft lithium battery refers to model aircraft lithium battery or unmanned aerial vehicle lithium battery in the field of model airplanes. Model airplanes and unmanned aerial vehicles generally use lithium batteries, mostly lithium polymer batteries. For example, the tattu drone battery is a lithium polymer battery.

structure is divided into battery cell and battery pack

Battery core: mainly composed of positive and negative plates, electrolyte, and diaphragm paper. The positive electrode in the electrolyte contains lithium-rich ions, and the negative electrode is carbon ions. During the charging process, Li+ will pass through the separator paper and adhere to the negative electrode. The negative electrode sheet is wider than the positive electrode sheet. There is one more layer of negative electrode sheet in the entire battery cell. The higher the magnification, the more laminated sheets.

Battery pack: Its combination is to match the cells with the closest voltage and internal resistance. The battery pack consists of cells, aluminum sheets, head green paper, blown heat shrinkable film, etc., plus aluminum The film can protect the battery from wear and tear, which extends the life of the battery, but at the same time it will increase the weight of the battery.

UAVs and model airplanes generally use lithium battery packs as their power system due to their high requirements for battery explosive power and battery capacity.

What are the advantages of lithium batteries?

The advantage of lithium batteries is that they are explosive. The cycle number of Li-fe (lithium iron phosphate battery) is about 1000 times, which can be overcharged and overdischarged, and has good safety (the disadvantage is that the current technology is not perfect enough, and the capacity and voltage are not large). Li-po is only 200-300 times, and it cannot be overcharged or over-discharged. But for the same size, Li-Fe can only achieve 70% of the capacity of LiPo, and the voltage is only 3.3V. Grignard's tattu lithium polymer battery can achieve high capacity and meet the voltage requirements of UAV model airplanes.

For example: Tattu 30000mAh 25C 22.2V aerial surveying drone battery backup lithium battery pack general version, this aircraft lithium battery capacity is up to 30000mAh, 25C high magnification, strong endurance, which is difficult for the same Li-Fe battery Did it.

In short, aircraft lithium batteries are lithium batteries used in drones and model airplanes, and among them, polymer lithium batteries represented by tattu professional drone batteries are the main type. Lithium batteries have a high rate and have the advantage of high burst. Among them, lithium polymer batteries have high capacity and sufficient rate under the same conditions. They are commonly used lithium batteries for aircraft lithium batteries.

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