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    • 65. 发明公开
    • 상변화 물질을 포함하는 리튬이온 이차전지 셀 및 모듈
    • 锂离子二次电池单元和包含相变材料的模块
    • KR1020140024600A
    • 2014-03-03
    • KR1020120090738
    • 2012-08-20
    • 주식회사 엘지화학
    • 양정훈최승돈김창호조영석
    • H01M10/60C09K5/02H01M10/0525
    • H01M10/659C09K5/063H01M2/0275H01M2/0287H01M10/0525Y02E60/122
    • The present invention relates to a lithium secondary battery cell and a module which include phase change materials. According to an embodiment of the present invention: the lithium secondary battery cell which comprises the lithium secondary battery cell including an electrode-separation film assembly which includes a positive electrode, a negative electrode, and a separation film interposed between the positive and negative electrodes, and pouches which surround the external front surface of the electrode-separation film assembly, and in which at least one surface of the inside or outside of the pouch is coated with phase change materials; and the lithium secondary battery module which comprises one or more of electrode-separation film assemblies including the positive electrode, negative electrode, and separation film interposed between the positive and negative electrodes, the pouches which respectively surround the external front surface of the electrode-separation film assemblies, and one or more covers which surround external front surface of pouches, and in which one or more between the pouches and between the pouch and the cover are coated with the phase change materials are provided. According to the present invention, the lithium secondary battery to which the phase change materials are applied absorbs heat and maintains an insulation state between electrodes or between an electrode and a penetration object if the temperature of the object is drastically increased, or the object is penetrated from the outside in order to enhance safety of the battery by suppressing ignite and explosion of the battery.
    • 本发明涉及一种锂二次电池及包含相变材料的模块。 根据本发明的一个实施方案,包括锂二次电池的锂二次电池,其包括电极分离膜组件,该电极分离膜组件包括正电极,负电极和插在正极和负极之间的分离膜, 以及围绕电极分离膜组件的外部前表面的袋,并且其中袋的内部或外部的至少一个表面涂覆有相变材料; 以及锂二次电池模块,其包括一个或多个电极分离膜组件,所述电极分离膜组件包括正电极,负电极和介于正极和负极之间的分离膜,分别围绕电极分离的外表面的袋 膜组件和围绕袋的外部前表面的一个或多个覆盖物,并且其中袋之间以及袋和盖之间的一个或多个涂覆有相变材料。 根据本发明,如果物体的温度急剧增加或物体被穿透,则施加了相变材料的锂二次电池吸收热量并保持电极之间或电极与穿透物体之间的绝缘状态 从外部通过抑制电池的点火和爆炸来提高电池的安全性。