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    • 9. 发明授权
    • Composition for preparing separator, method for preparing separator, and electrochemical device having separator prepared therefrom
    • 用于制备隔膜的组合物,用于制备隔膜的方法和具有由其制备的隔膜的电化学装置
    • US08765023B2
    • 2014-07-01
    • US13930970
    • 2013-06-28
    • Bong-Tae KimHeon-Sik SongCheon-Il Park
    • Bong-Tae KimHeon-Sik SongCheon-Il Park
    • H01B1/00H01M2/16C08G63/48C08F8/00H01M2/14
    • H01B1/00H01M2/14H01M2/145H01M2/1653
    • The present invention relates to a composition for preparing a separator for an electrochemical device, a method preparing a separator for an electrochemical device, and an electrochemical device having a separator prepared therefrom, more particularly, a composition for preparing a separator for an electrochemical device, comprising a polyolefin, a first diluent, and a second diluent, wherein an interaction energy between the first diluent and the second diluent is in the range of 2 to 3.5 cal/cm3, a method preparing a separator for an electrochemical device using the composition, and an electrochemical device having a separator prepared therefrom. In accordance with the present invention, the pore size of a polyolefin separator can be suitably controlled into a size desired by a user, and the high-temperature stability and mechanical property of the separator can be remarkably improved, thereby enhancing the life time and stability of an electrochemical device having the same.
    • 本发明涉及一种用于制备电化学装置用隔膜的组合物,制备电化学装置用隔膜的方法和具有由其制备的隔膜的电化学装置,更具体地说,涉及一种用于制备电化学装置用隔膜的组合物, 包括聚烯烃,第一稀释剂和第二稀释剂,其中所述第一稀释剂和所述第二稀释剂之间的相互作用能在2至3.5cal / cm 3的范围内;制备用于使用所述组合物的电化学装置的分离器的方法, 和具有由其制备的隔膜的电化学装置。 根据本发明,可以将聚烯烃隔膜的孔径适当地控制为使用者期望的尺寸,并且可以显着提高隔膜的高温稳定性和机械性能,从而提高寿命和稳定性 的电化学装置。