Battery sealing ring material With the rapid development of science...
The type of battery sealing ring
Battery sealing ring is a vital part of the battery assembly, its main function is to prevent leakage of electrolyte inside the battery, while isolating external air and moisture into the battery, to ensure the safe operation of the battery and extend the service life. Battery seals can be classified into several types depending on the material, shape and purpose.
the material classification
Rubber sealing ring is the most common type of battery sealing ring, according to the different types of rubber, can be divided into nitrile rubber, fluorine rubber, silicone rubber and so on. Nitrile rubber sealing ring has good oil resistance and chemical resistance; Fluorine rubber sealing ring has high temperature resistance; Silicone rubber seals are known for their excellent weather resistance and electrical insulation.
Plastic sealing rings are usually made of polymer materials such as polyteflon (PTFE) or polyimide (PI). These materials have an extremely low coefficient of friction and good corrosion resistance, and are suitable for high voltage and highly corrosive environments.
Metal sealing rings are usually made of stainless steel, copper or aluminum alloy and other materials, which have excellent mechanical strength and high temperature resistance. Metal seals are often used in battery systems that need to withstand high pressure and high temperatures.
according to the shape classification
O-ring is the simplest and most widely used sealing ring type, its section is circular, can be adapted to a variety of sealing groove shape.
The cross section of Y type and V type sealing ring is Y shape or V shape, which has better self-tightening performance and is suitable for high pressure and high speed rotating sealing occasions.
The cross section of the rectangular sealing ring is rectangular, which has good sealing performance and bearing capacity. It is suitable for high pressure and high speed movement.
Classification by use
Used for sealing between battery cover and battery housing to prevent leakage of electrolyte and entry of external contaminants.
It is used to seal the connection between the battery terminal post and the external wire to ensure the safety and stability of current transmission.
Used for sealing between battery liquid cooling plate and battery shell to prevent coolant leakage and ensure cooling effect.
choose the appropriate sealing ring
In the selection of battery seals, the following factors should be considered: battery operating voltage, temperature range, chemical corrosion, mechanical stress and installation space. In addition, it is necessary to pay attention to the key indicators such as wear resistance, anti-aging performance and service life of the sealing ring.
In short, there are many kinds of battery sealing rings, each with its own characteristics. The correct selection and use of the appropriate sealing ring is very important to ensure the safety and reliability of the battery system.
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