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    • 4. 发明申请
    • Lithium ion secondary battery having shape memory safety vent
    • 具有形状记忆安全排气的锂离子二次电池
    • US20060073375A1
    • 2006-04-06
    • US11218725
    • 2005-09-02
    • Eui HongYoon Kwak
    • Eui HongYoon Kwak
    • H01M2/12H01M10/50H01M2/04
    • H01M2/1223H01M2/04H01M2/1282H01M10/0525H01M10/0587H01M2200/10
    • A lithium ion secondary battery has a shape memory safety vent adapted to discharge internal compressed gas by temporarily being opened when the temperature reaches a predetermined level to avoid a swelling phenomenon of the battery and improve safety. The lithium ion secondary battery includes an electrode assembly having first and second electrode plates wound a number of times with a separator interposed between them; a can having an opening formed on a side thereof to contain the electrode assembly; and a cap plate adapted to cover the can and provided with a vent hole on a side thereof, to which a safety vent adapted to deform at a predetermined temperature and discharge gas from inside the can to the exterior is coupled.
    • 锂离子二次电池具有适于在温度达到预定水平时暂时打开内部压缩气体以避免电池膨胀现象并提高安全性的形状记忆安全排气口。 锂离子二次电池包括具有第一和第二电极板的电极组件,该电极组件间隔开间隔的次数; 具有在其一侧形成以容纳所述电极组件的开口的罐; 以及适于覆盖罐并且在其一侧上设置有通气孔的盖板,适于在预定温度变形并且将罐从罐内的气体排出到外部的安全排气口连接到该盖板上。