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Safety Measures Incorporated with Lithium-ion Battery

Lithium-ion batteries are made up of safety measures to avoid any unwanted conditions occurring where batteries are being used. Some of them are as follows:

  • Pressure-sensitive vent holes

Because batteries are pressured, they require a metal outside wall with a pressure-sensitive vent hole. This vent will let out excess pressure if the battery is at risk of overheating and bursting due to overpressure (pressure buildup at 3,000 kPa), which will stop other cells in the battery pack from catching fire.

  • Temperature Coefficient that is positive (PTC)

This switch guards the battery against current spikes to stop it from overheating. Like other chemistries, lithium-ion cells discharge themselves. Self-discharge is the loss of a battery's stored charge without the electrodes or an external circuit being connected. Chemical processes inside the cell cause this to happen. Cell self-discharge rises with age, cycling, and high temperatures.

Temperatures may increase as a result of elevated self-discharge, which if unchecked could result in a Thermal Runaway, often known as "venting with flame." Because there is minimal heat produced and very little energy discharged, a light short won't result in a thermal runaway. However, if the cell has been damaged in some way and contaminants manage to get inside, a severe electrical short may occur. Contact the best battery manufacturers in Indore.

  • Separator functions as a fuse:

The majority of lithium-ion cells use a polyolefin separator, which has outstanding chemical stability, excellent mechanical qualities, and is reasonably priced. As soon like the cell heats up, it acts as a fuse. The separator melts under extreme heat when the core hits 130°C (266°F), which halts the movement of ions. The cell is immediately turned off by this action.

Without this protection, there would have been a risk that the failing cell's heat would have reached the thermal runaway threshold and ignited.


To get the best deal and product contact the best lithium battery manufacturer in Indore.
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