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What is the explosive power of Tesla's lithium-ion batteries, as analyzed by lithium-ion battery manufacturers? With the progress of society, lithium-ion batteries have been widely used in our lives, bringing us convenience but also bringing some troubles. It is particularly necessary to prevent the explosion of Tesla lithium-ion batteries from becoming a "bomb" around us. This article analyzes how powerful the explosion of Tesla's lithium-ion batteries is for lithium-ion battery manufacturers.

What is the explosive power of Tesla's lithium-ion batteries, as analyzed by lithium-ion battery manufacturers?

As for the power lithium-ion battery, Tesla has caught fire or exploded more than once, but the explosion after a car collision is only portrayed in movies. Under normal circumstances, even if it is a serious car accident and the car is hit to pieces, even if the car leaks oil, as long as it does not come into contact with an open flame, there will be no detonation or explosion. Unless there are already flammable and explosive materials inside the car, it will not explode.

Tesla has just been on the market and has been popular for a long time. Its fast acceleration and long cruising time have attracted many fans, which is closely related to its lithium-ion battery structure characteristics. Although cylindrical lithium-ion batteries can demonstrate advantages in speed and endurance, they sacrifice a lot of interior space and are extremely unstable. Collisions and fires have occurred multiple times.

On the early morning of November 3, 2016 Eastern Time, a serious accident occurred in a Tesla Model S electric vehicle, causing the entire vehicle to burn. At that time, the ModelS car collided fiercely with a big tree, sparking a sudden explosion of the lithium-ion battery inside the car, causing the entire vehicle to burn into a huge fireball.

The Tesla Model S model collided with a lamp post while driving at high speed in Los Angeles and disintegrated in half. Subsequently, the lithium-ion battery caught fire and burned down the vehicle body. Tesla's battery supplier is Panasonic Corporation of Japan, which uses thousands of cobalt oxide lithium-ion batteries to form a battery array to power electric vehicles. However, such a design increases the likelihood of lithium-ion battery arrays being impacted in the event of a collision, which in turn causes the battery cells or modules to easily shift, leading to the detachment and short circuit of wires used in parallel and series, causing fires.

The high-density lithium-ion batteries used by Tesla are highly likely to catch fire or even explode in the event of a vehicle accident. Focus on the safety of lithium-ion batteries and avoid turning Tesla and others into bombs.

The reasons for the explosion of lithium-ion batteries are as follows

1. Temperature. There are many factors that affect the safety of lithium-ion batteries, among which battery materials have an important impact on the safety of lithium-ion batteries, because battery materials generally have thermal activity. When the temperature of the battery continues to rise, many thermal reactions will occur inside. When heat cannot be dissipated in time, it is easy to cause battery safety accidents. Therefore, the selection of positive and negative electrode materials for lithium-ion batteries has an important impact on the safety performance of the battery.

2. Manufacturing process. The manufacturing process of batteries is also an important factor affecting the safety performance of batteries, among which the most important factors are three aspects: positive and negative electrode capacity ratio, slurry uniformity control, and coating quality control.

During use, overheating caused by high current (external short circuit, internal short circuit) can cause explosions; Rupture may also cause the unstable negative electrode (deposited with lithium) to come into contact with air after charging, resulting in a large amount of heat release or insufficient negative electrode capacity; Overcharging/discharging can also cause explosions in lithium-ion batteries.

Summary: Tesla's batteries pursue energy density and overlook safety factors. In recent years, news about Tesla's spontaneous combustion, collision fires, and even explosions has been common. If we want to further improve energy density, it will pose greater challenges to battery safety management.

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