PROCUREMENT CONSIDERATIONS OF LITHIUM BATTERY

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LFP Battery System

Lithium batteries are classified into liquid lithium ion batteries and polymer lithium ion batteries. Lithium-ion batteries have fluid electrolytes, so they are more unstable than lithium-polymer batteries and can explode when subjected to external shock or when using substandard chargers. Many portable electronic products, such as mobile phones and laptops, use lithium batteries. For safety reasons, what precautions do we take when selecting and purchasing lithium batteries? As a professional factory who can supply Multifunctional Battery System would like to share with you.

Look at the standby time, which is the continuous use time of the next charge after the battery is loaded into the phone. The battery sold in the general market cannot guarantee the customer's standby time. This is because the battery quality is unstable, and many inexpensive batteries have a short standby time due to the use of a poor quality battery.

See if there is a clear capacity. Batteries that do not have a clearly labeled capacity may use poor quality batteries or recycled batteries. Many of the cheaper batteries that have emerged on the market are made from recycled batteries. Although the price is cheap, the life is short and the quality is unstable. Unintentional use can damage your phone.

Without a protective circuit board, lithium batteries are subject to deformation, leakage, and explosion. In a vicious competition with lower prices, looking for cheaper protection boards, or simply not using the equipment, the market is full of explosive lithium-ion batteries. Consumers don't see if they have a protective circuit board, so it's best to choose a reputable merchant to buy.

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LITHIUM BATTERY IMPROVED WITH DEVELOPMENT

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LFP Battery System

Here is a professional factory who can supply LFP Battery Pack For EV talking about lithium battery improved with development.

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

2. Long service life, the service life can reach more than 6 years, lithium iron phosphate is the positive battery 1C (100% DOD) charge and discharge, there are records that can be used 10,000 times;

3. The rated voltage is high (the single working voltage is 3.7V or 3.2V), which is equal to the series voltage of 3 nickel-cadmium or nickel-hydrogen rechargeable batteries, which is convenient to form the battery power pack;

4. With high power bearing capacity, which lithium iron phosphate lithium ion battery for electric vehicles can achieve 15-30C charge and discharge capacity, easy to start high-intensity acceleration;

5. The self-discharge rate is very low, which is one of the most outstanding advantages of the battery, currently can generally achieve 1% / month, less than 1 / 20 of nickel-hydrogen battery;

6. Light weight, the weight of the same volume is about 1/5-6 of lead-acid products;

7. High temperature and low adaptability, can be used in the environment of -20 ° C -60 ° C, after the process of processing, can be used in -45 ° C environment;

8. Green and environmental protection, no matter whether it is produced, used or scrapped, it does not contain any toxic and harmful heavy metal elements and substances such as lead, mercury and cadmium.

9. Production basically does not consume water, which is very beneficial for China that lacks water.

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WHY DOES THE LITHIUM BATTERY PACK CATCH FIRE AND HOW TO DEAL WITH IT?

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Lithium-ion battery ignition is a very unusual situation, but when it happens, it causes a strong reaction and causes a lot of exposure. Whether it is a storage station or an electric bicycle, the cause of the battery fire may be internal battery failure, not the battery itself. The main reason is that the heat is out of control. To know how to put out a fire, you must know what caused the battery to malfunction. As a professional company, we have LFP Battery Pack For EV.

Lithium Iron Phosphate Battery System

The main reason for the ignition of lithium batteries is that the heat in the battery is not released according to the design requirements, and a fire occurs after the ignition point of the internal and external combustion materials is reached. The main causes are external short circuits, external high temperatures and internal short circuits.

How to deal with the ignition problem of lithium ion batteries?

After fully understanding the cause of the ignition of the lithium battery, we should propose how to extinguish the fire after the fire. There are four ways to do this.

1. The installation is only a small fire, the high-voltage battery is not affected by the flame, and the carbon dioxide or dry powder fire extinguisher can be used to extinguish the fire.

2. If the high voltage battery is deformed or severely deformed in a severe fire, the battery may be malfunctioning. Then we have to put out a lot of water to put out the fire. There must be a lot of water.

3. When inspecting the specific conditions of the fire, do not touch any high-voltage components. Be sure to check that the entire inspection is performed using an insulated tool.

4. Be patient when extinguishing fires. It may take a whole day. If you have a thermal imaging camera, you can use it. Thermal imaging cameras can be monitored to ensure that the high voltage battery is completely cooled before the end of the accident. If this is not the case, monitor the battery throughout the process until the lithium-ion battery pack no longer heats up.

Make sure there is no problem after at least an hour. We need a lot of time and effort to make sure it doesn't happen again, but don't worry too much. Lithium batteries are not explosive, and in general, such large accidents do not occur.

If you need any information about Utility High Energy Lithium-ion Battery System, feel free to let us know.