Analysis of the cause and explosion type of lithium battery

Аўтар: Iflowpower - Cyflenwr Gorsaf Bŵer Cludadwy

1: The internal polarization is large. 2: the pole water absorption, reacting the drum with the electrolyte. 3: The quality of the electrolyte itself, performance problem .

4: The amount of liquid in the liquid does not meet the process requirements. 5: assembly The laser welding in the process is poor, leakage, leakage, leakage. 6: dust, polar dust is first easily causing micro-short circuit.

7: The positive and negative poles are thick, the shell is difficult. 8: Nipple sealing problem, steel ball sealing performance is not good to cause gas drum. 9: The housing material exists thickness, and the thickness of the housing deformation.

The type of exploded type decomposing the battery core explosion can be summarized as an external short circuit, internal short circuit, Three kinds of. The external system here refers to the exterior of the battery, which contains short circuits caused by poor insulation design in the battery pack. Wann e Kuerzschluss ausserhalb vun der Batteriezell ass, gëtt d&39;elektronesch Komponent net ofgeschnidden, an den Interieur vun der Batteriezell wäert héich Hëtzt hunn, wat zu engem partiellen Elektrolytdampf resultéiert an d&39;Batterieschuel ënnerstëtzen.

When the internal temperature of the battery is high to 135 degrees Celsius, the quality of the diaphragm is closed, the electrochemical reaction is terminated or near termination, the current is plummeted, and the temperature is slowly decreased, and the explosion occurred. However, the fine hole closure rate is too bad, or the fine hole does not close the diaphragm paper, which will make the battery temperature rise, more electrolyte, and finalize the battery housing, and even improve the battery temperature. Material burning and exploding.

The internal short circuit is to be because the brass foil is pulling the membrane of the aluminum foil, or the branches of the lithium atom wear the diaphragm. Dës fein Nadelen kënnen Mikro-Kuerzkreesser verursaachen. Because the needle is very fine, there is a certain resistance value, so the current is not necessarily.

Copper aluminum foil burr is caused by processing, and it is observable. Moreover, since the glitch is small, sometimes it will be burnt, so that the battery will return to normal. Dofir ass d&39;Wahrscheinlechkeet vun der Explosioun duerch Burrs net héich.

Op dës Manéier ass et méiglech eng kuerz Batterie intern aus dem Interieur vun all Zell gelueden ze hunn. Wéi och ëmmer, d&39;Explosiounsevenement ass geschitt, awer et gouf statistesch ënnerstëtzt. Therefore, the explosion caused by internal short circuits, it is still due to overcharge.

Well et ass eng nadelfërmeg Lithiummetallkristalliséierung, an et ass e Mikro-Kuerzschaltung. Dofir wäert d&39;Batterietemperatur graduell eropgoen, a schliisslech wäert d&39;Héichtemperatur Gas Elektrolytgas. This situation, whether it is too high to make the material burns, or the outer shell is first striking, so that the air into the lithium metal is violently oxidized, all of which are explosion.

Wéi och ëmmer, dës Explosioun verursaacht duerch exzessiv intern Kuerzschluss geschitt net onbedéngt zur Zäit vum Laden. Et ass méiglech datt d&39;Batterietemperatur net héich ass fir d&39;Material verbrannt ze loossen. Wann de Gas erschéngt, ass de Konsument net genuch fir d&39;Batteriegehäuse ze briechen, de Konsument schléisst d&39;Laden of, mam Handy fir eraus ze goen.

Zu dëser Zäit, d&39;Hëtzt vu ville Mikro-Short Circuits, lues d&39;Temperatur vun der Batterie erhéijen, no enger Zäit, nëmmen Explosioun. Déi gemeinsam Beschreiwung vum Konsument ass den Telefon opzehuelen an ze fannen datt den Telefon waarm ass, an dann explodéiert.