Is it better to use silicone or airgel for thermal insulation of automobile lithium batteries?

Introduction Is it better to use silicone or airgel for thermal insulation of car power lithium battery? Typically airgel and organic silicon are used, but recently there is a polymer material that is also good, it seems to be called Denelon Tel.

Is it better to use silicone or airgel for thermal insulation of automobile lithium batteries?

Usually aerogels and silicones are used, but recently there is a polymer material which is also good. It seems to be called Denelon Telite. I heard that it is also UL94 V0/DIN5510/BS6853/GB8624-2012 Class B. Delon "Telite" has a high degree of sound absorption and fire resistance (meets the flame retardant standard of GB8624-2006 B1 level and does not require the addition of flame retardant supports)

How to insulate the battery during drone flight in winter

< p>It is helpful to keep the battery warm in winter. Whether it is a lead-acid battery or a lithium battery, its performance is significantly reduced or even unable to work at zero degrees Celsius and below. Effective insulation can reduce the impact of low temperatures on the battery.

But whatever the type of battery, it is best not to keep it hot when charging. Strictly speaking, it should not bere covered during loading. It can be charged at room temperature.

Perhaps because battery types vary greatly and batteries cannot be covered when charging, insulation is not easy to popularize. Additionally, winter is also shorter and people usually don't worry too much about battery performance degrading in winter.

If you want to fly at normal temperature, there will definitely be problems. The battery must be isolated. Before takeoff, the battery should be stored in a warm environment, such as in a house, car, insulated box, etc. Quickly install the battery when taking off and perform flight missions. When flying at low temperatures, try to reduce the time to half the normal temperature to ensure safe flight.

Lithium batteries are now very popular. As we knowEveryone, there are special requirements for charging lithium batteries. Currently, a large number of lithium batteries use series and parallel multi-cell formats. Due to individual differences between cells, it is impossible to achieve 100% balanced charging and discharging.

Therefore, a complete set of load management circuits is particularly necessary. And this is the second function that smart lithium batteries should have: comprehensive management of lithium battery charging and discharging.

The ideal smart lithium battery for drones should further simplify its functions and remove modules that do not need to be reconditioned from the smart battery and place them in the aircraft or charger.

For example: discharge management module, load management module. Not only does this reduce the costs ofproduction and increase production capacity without changing the original functions, but it is also of great importance in terms of environmental protection, because there is no need to repeatedly produce circuits that do not do not need to exist repeatedly (future electronic waste). .

Improve flight safety? Battery protection is very important before flying, be sure to fully charge the battery to ensure it is in a high voltage state. Fully preheat the battery above 25 degrees to reduce the internal resistance of the battery. It is recommended to use a battery preheater to preheat the battery.

After takeoff, leave the aircraft hovering for approximately 1 minute to allow the battery to use internal heat to fully warm up and reduce the internal resistance of the battery. Take isolate measuresion for aircraft batteries, such as sponge pads for batteries and adhesive strips for fuselage heat dissipation grilles.air circulation, etc.

Detailed information:

Drone batteries generally do not require any special maintenance , but pay attention to the storage method, and the following points need attention:

Do not store batteries with ordinary metal objects to avoid short circuit problems in the battery. Avoid storing batteries in hot and humid places. Batteries should be kept out of the reach of children.

Leaving the battery in the camera or charger for a long time may cause leakage and damage, etc. Each time you replace the battery, you must replace the assembly with new batteries. Please do not mix old andnew batteries (nickel-metal hydride batteries). Do not use alkaline batteries of different types or brands together. ?

Do not heat batteries or throw them into a fire. ?Do not expose batteries to fresh water or sea water and take special care to keep them dry. Do not attempt to deform, disassemble or change the battery. ?Do not attempt to peel or cut the battery packaging. ?.Do not drop, hit, or heavily collide the battery with other objects. ?

The battery will deteriorate and its life will be shorter at low temperatures (+10 degrees C or lower). This is the characteristic of the battery. Before charging, place the battery in a pocket or similar warm place in cold weather. If you use a heater to warm the battery, make sure there is no direct contact with the heater. ?

Baidu Encyclopedia-Battery cleaning and maintenance methodss

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