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    • 3. 发明授权
    • 역구조를 갖는 하이브리드 난워븐 세퍼레이터
    • 具有逆变结构的混合非织造分离器
    • KR101292657B1
    • 2013-08-23
    • KR1020130013255
    • 2013-02-06
    • 주식회사 레몬
    • 이향두
    • H01M2/16
    • H01M2/1686H01M2/162H01M10/0525
    • PURPOSE: A hybrid nonwoven separator having an inverted structure is provided to prevent problems due to the high frictional force of a nanofiber layer, to obtain uniform structure and quality for a secondary battery, to prevent cracks, and to have excellent heat resistance. CONSTITUTION: A hybrid nonwoven separator having an inverted structure comprises a nanofiber layer; and a nonwoven substrate layer which forms the outermost layer by being coupled to enable the nanofiber layer to be inserted; and a hot melt layer having a separate nanofiber for attachment which is melt on the interface between the nanofiber layer and the substrate layer. A nanofiber forming the nanofiber layer is selected from polyimide, aramid, polyvinylidene fluoride, polytetrafluoroethylene, polychlorotrifluoroethylene, polyvinylidene fluoride-hexafluoropropylene, and mixtures thereof. The material of the substrate layer is polyethylene terephthalate. [Reference numerals] (AA,CC) PET substrate layer; (BB) Nanofiber layer
    • 目的:提供具有倒置结构的混合无纺隔膜,以防止由于纳米纤维层的高摩擦力引起的问题,从而获得二次电池的均匀结构和质量,防止裂纹,并具有优异的耐热性。 构成:具有倒置结构的混合无纺隔膜包括纳米纤维层; 以及通过联接形成最外层以使得能够插入纳米纤维层的非织造基材层; 以及在纳米纤维层和基材层之间的界面处熔融的具有用于附着的分离的纳米纤维的热熔层。 形成纳米纤维层的纳米纤维选自聚酰亚胺,芳族聚酰胺,聚偏二氟乙烯,聚四氟乙烯,聚氯三氟乙烯,聚偏二氟乙烯 - 六氟丙烯及其混合物。 基材层的材料是聚对苯二甲酸乙二醇酯。 (标号)(AA,CC)PET基材层; (BB)纳米纤维层