Why does the phone battery explode after being bitten by a Chinese youth?

The force from the biting test of a Chinese man can make the two positive yin poles of the battery come into contact with each other, causing huge heat release.

The incident after being bitten by a Chinese man to check quality at an electronics store in Nanjing City, Jiangsu Province is the latest evidence that shows the danger level of lithium-ion battery technology. widely used, Science Alert yesterday reported.

The moment the phone battery exploded.(Video: YouTube).

On January 19, the man took the phone to replace the battery. Lo bought the fake goods, he bit the test to check the product quality. Just a few seconds after this action, the battery exploded but luckily no one was injured in the incident.

According to scientists, external forces when breaking, breaking the battery casing and at the same time can cause negative and positive poles inside to contact each other. A large amount of heat can therefore be generated, causing an explosion.

The boy is biting the battery.

Even without the impact of external forces, the battery can still explode when dendrite fibers form inside. The appearance of this type of fiber as a conductor on the other hand also reduces the life of the product.

The biting action of a man does not receive support on China's video sharing site."The phone battery is not gold, what do you bite it?" Said one. Scientists also insist on biting the battery to test quality as an action to avoid.