Lithium battery electric vehicle fire causes, how to charge the lithium battery for electric vehicle

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

Lithium-ion battery electric car fire causes, how to charge the lithium-ion battery safely? With the exchange of lithium-ion battery electric vehicles, professional protection must keep up, many people are blank in this regard, which is dangerous to use lithium-ion batteries in situations without expertise. When the lithium ion battery is too low during the driving of electric vehicles, charging lithium ion batteries should be charged as quickly as possible. Lithium-ion battery electric vehicle fire causes, therea has occurred in recent years, and the lithium-ion battery electric vehicle has occurred, survey showed, overcharge, lithium-ion battery short circuit, using inferior charger, is an important reason for the fire of lithium-ion battery electric vehicles.

Once the electric car is angry, it is only 3 minutes, the fire temperature can be up to thousands, and the consequences are unimaginable. ● The external force impact of external force can cause damage to the internal structure of the lithium ion battery electric vehicle or the housing damage, which can cause the electrodes of the lithium ion battery in the air to expose in the air, due to the lithium ion battery, lithium negative reductive, and metal state Lithium properties are close, once in contact with air, it will heat well, not getting control in time, will fire. ● Internal short circuits in the use of lithium-ion batteries, due to factors such as environmental temperature, electrode characteristics, "lithium lactary crystals", lithium dendrites can destroy the diaphragm to cause positive and negative short circuit, heat aggregation cause electric vehicle lithium ion battery spontaneous combustion In addition to generating lithium branch crystals during use, the internal short circuit, the diaphragm is flawed, the fluid burrs, etc.

, can also destroy the diaphragm to cause internal short circuits. ● Over-filled lithium ion battery electric vehicle is overcharged to cause the electrolytic liquid to heat and decompose the gas, the gas is pressure in the inside of the sealed battery, resulting in expansion of the lithium ion battery, the expansion process, if the diaphragm is broken, the positive negative contact Leading short circuit and fire. Similarly, external high-power over-discharge can also cause heat and expansion in the battery, and the destructive process of existing and overcharge is caused.

● Charger quality problem Electric vehicle lithium-ion battery starts primary reasons are overcharge, under the condition of the battery, the charger is unqualified, if you can't turn off the electricity after the charge, or the charging current is too large, it will be simply caused Charge, this time became a dangerous time of fire. Therefore, the lithium ion battery charger must pass. How does electric vehicle lithium-ion batteries are safe to charge? 1.

Lithium-ion battery electric cars do not charge indoors, choose the place where the room is open, prevent accidents from escaping. 2, the electric car is not used for a long time, and the lithium-ion battery is charged once or so, do not place in the loss of the loss. 3, select the electric vehicle of the normal manufacturer, the lithium-ion battery charger, current voltage matches, prevent the electric vehicle lithium-ion battery while preventing charging.

4. Electric vehicle lithium-ion battery should be strictly replaced by instructions for instructions, regularly replace the battery, reducing safety hazards. 5, electric car selection with over charge, overprotected lithium-ion battery charging equipment.

6, the night charging is best to set up charging on time, reduce electric vehicle lithium-ion battery charging time. The above is the cause of lithium ion battery electric vehicle, electric vehicle lithium-ion battery safety charging method. With the implementation of the electric car's new national standard, the lithium-ion battery will be more and more.

It is a key factor for longer life of lithium-ion batteries.

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