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Lithium battery safety valve is an important safety device used to protect the safety of lithium batteries under abnormal conditions. It usually consists of several key components, including valve body, valve cover, pressure sensitive components, valves and seals. The valve body is the main component of the safety valve, usually made of metal or plastic, and has an interface fixed on the battery casing. The valve cover is located on the top of the valve body, with pressure-sensitive components and seals installed inside. It is usually removable for easy maintenance and replacement.
The pressure sensitive element is one of the core components of the safety valve and is used to detect the pressure inside the battery. When the internal pressure of the battery exceeds the set value, the pressure sensitive element will trigger the valve to open and release the internal pressure. The valve is located inside the valve body and is usually a piston structure or spring valve. When the pressure-sensitive element detects abnormal pressure, the valve opens and releases the gas inside the battery to relieve the pressure. The seal is installed between the valve cover and the valve body to ensure air tightness when the valve is closed. They are usually made of elastic materials such as rubber or silicone and have good sealing properties.
These components work together to form a complete safety valve system. When an overpressure condition occurs inside the battery, the pressure sensitive element detects the abnormal pressure and triggers the valve to open and release the internal gas to prevent safety issues such as battery explosion or leakage. Through this mechanism, the lithium battery safety valve can effectively protect the safety of the battery and its surrounding environment. Therefore, in the design and manufacturing process of lithium batteries, the selection and design of safety valves are crucial to ensure the safety and stability of the battery.
