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Author ：Iflowpower – Portable Power Station Supplier
The battery has a thermal out-of-control battery to high heat and high internal pressure to drums. The reason for the heat of the battery is often the battery of the battery. A large amount of gas charging, although the high pressure of the charger is related to the high pressure value.
In addition, the constant voltage value of the charger is high. The battery is easier to lose water. After the battery is lost, the void ratio of the partition is large, which is advantageous for the oxygen circulation of the battery.
The probability of heat-generating heat loss is greatly added. In order to prevent heat loss, many measures have been taken. 1.
Reduce the constant voltage value, there will be a winter owed to charge. There is a better way to output a series diode in the charger, reduce 0.7V ~ 1.
4V, go to this diode again in winter. No need for electronic technology knowledge. The method of automation is to temperature compensation for constant voltage values, automatically adjust the constant voltage value.
2, give the battery to the battery, reduce the channel of the oxygen circulation, and also alleviate the heat of the battery. 3, all the battery is thermal at the time of charging, there is a feature that the current is reversible in the constant voltage state, if a logic is designed, the current drops without reverse rise, it can prevent the battery from getting out of control. 4, the battery has serious thermal out of control, but also heats accumulation.
So the plus charged press. However, it is to add a press that continues to charge the already charged battery or the battery will continue to charge the battery. About lithium-ion batteries, thermal out-of control is the most serious safety accident, which will cause lithium-ion batteries to get fire and even explode, directly threaten user safety.
The thermal out of the lithium-ion battery is important because the internal heat produces is higher than the heat dissipation rate, and a large amount of heat is accumulated in the inside of the lithium-ion battery, causing a chain reaction, causing the battery to fire and explode. There are many factors that are out of control, and in general, it is divided into two categories, internal factors and external factors. The internal factors are important to: battery production defects lead to internal short circuits; improper use, causing lithium delegra to cause positive and negative short circuits internally.
External factors are important: extrusion and acupuncture and other external factors lead to a short circuit in lithium-ion battery; the external short circuit caused by the battery causes the internal heat accumulated in the battery; the external temperature is too high, resulting in decomposition of SEI film and positive electrode material.
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