Electrochemical cell safety vent
An exhaust device, electrochemical technology, used in electrochemical generators, aqueous electrolyte batteries, batteries, etc., can solve the problems of small size and reducing battery capacity
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[0019] Detailed description of preferred embodiments
[0020] The sealed secondary battery must be ventable in order to release the internal pressure generated under transient conditions other than normal operating conditions. If the gas pressure exceeds the set exhaust pressure and can be released smoothly, the pressure will be limited. If the amount of gas generated exceeds the exhaust amount or the exhaust device is blocked, the internal pressure may increase rapidly. When softened plastics and similar low-melting materials are used in batteries, the risk of clogging of exhaust devices under high temperature conditions will increase. In the presence of materials and conditions that may cause clogging of the exhaust device, a larger and open exhaust area helps to ensure that the exhaust device will not be blocked under destructive pressures. In order to provide a larger exhaust area required for the thermal liquefied solid to be discharged from the secondary battery, the present...
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