If a lithium battery gets wet, it can potentially lead to several hazardous situations. Here's what might happen:
Short circuit: Water is a conductor of electricity, and when it comes into contact with the exposed terminals of a lithium battery, it can create a short circuit. A short circuit can cause the battery to discharge rapidly, generate heat, and potentially damage the battery or cause it to leak.
Corrosion: Water can cause corrosion on the metal components of the battery. Lithium batteries typically contain various metals, such as lithium, cobalt, nickel, and others, which can react with water and form corrosive byproducts. Corrosion can weaken the battery's structure and affect its performance.
Leakage: If water manages to penetrate the battery casing, it can cause the electrolyte inside the battery to leak out. The electrolyte is a flammable and highly reactive substance that can be dangerous if it comes into contact with water or air.
Reduced performance and capacity: Exposure to water can compromise the functionality and performance of a lithium battery. The presence of moisture can disrupt the chemical reactions within the battery, leading to a decrease in its overall capacity and output.
In summary, getting a lithium battery wet poses risks of short circuits, corrosion, leakage of electrolyte, and reduced performance. It is important to handle lithium batteries with care and avoid exposing them to moisture or water. If a lithium battery does get wet, it is recommended to discontinue its use, ensure it is safely isolated from other flammable materials, and consult the manufacturer's guidelines for proper disposal or recovery procedures.