Step-by-step explanation:
Thermal runaway refers to the uncontrollable self-heating and potentially self-destructive behavior of a battery cell. In the context of electric vehicles (EVs), thermal runaway occurs when the battery undergoes an uncontrolled increase in temperature, leading to a chain reaction that exacerbates overheating within the cell.
There are several potential causes for thermal runaway in EV batteries, including manufacturing defects, physical damage, and extreme environmental conditions. Once the process is triggered, the cell generates heat, potentially leading to a gas buildup and increasing the temperature further. This heat and gas buildup can cause the battery to rupture, release toxic gases, or even catch fire or explode.
To mitigate the risk of thermal runaway, EV manufacturers implement various safety mechanisms such as thermal management systems, battery enclosures, and monitoring systems. These safety measures aim to regulate the battery's operating temperature, detect abnormal conditions, and take corrective actions to prevent thermal runaway events.
It is crucial for EV owners and manufacturers to prioritize preventive measures and adhere to recommended maintenance practices to minimize the risk of thermal runaway and ensure the safe operation of electric vehicles.