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    • 8. 发明申请
    • ELECTRIC SEPARATOR, METHOD FOR MAKING SAME AND USE THEREOF IN HIGH-POWER LITHIUM CELLS
    • 电动分离器及其制造方法及其在大功率锂离子电池中的应用
    • US20100291292A1
    • 2010-11-18
    • US12846940
    • 2010-07-30
    • Volker HennigeChristian HyingGerhard Hörpel
    • Volker HennigeChristian HyingGerhard Hörpel
    • B05D5/12B05D3/02
    • D06M11/48D06M11/45D06M11/79D06M13/513D06M23/08H01M2/145H01M2/162H01M2/1646H01M2/1666H01M2/1686H01M2/18H01M10/0525Y10T428/24124Y10T442/20Y10T442/2139Y10T442/674
    • The present invention relates to electrical separators and to a process for producing them.An electrical separator is a separator used in batteries and other arrangements in which electrodes have to be separated from each other while maintaining ion conductivity for example. The separator is preferably a thin porous insulating material processing high ion perviousness, good mechanical strength and long-term stability to the chemicals and solvents used in the system, for example in the electrolyte of the battery. In batteries, the separator shall fully electrically insulate the cathode from the anode. Moveover, the separator shall be permanently elastic and follow movements in the system, for example in the electrode pack in the course of charging and discharging.This object is achieved by an electrical separator according to the invention, comprising a sheetlike flexible substrate having a multiplicity of openings and having a coating on and in said substrate, said substrate being a polymeric nonwoven and said coating being a porous electrically insulating ceramic coating, said separator being characterized by said nonwoven having a thickness of less than 30 μm, a porosity of more than 50% and a pore radius distribution in which at least 50% of the pores have a pore radius from 75 to 150 μm.
    • 本发明涉及电动分离器及其制造方法。 电分离器是用于电池和其它布置的隔板,其中电极必须彼此分离,同时保持例如离子传导性。 分离器优选是薄的多孔绝缘材料,其对于系统中使用的化学品和溶剂(例如在电池的电解质中)处理高离子渗透性,良好的机械强度和长期稳定性。 在电池中,分离器应使阴极与阳极完全电绝缘。 移动时,分离器应是永久弹性的,并遵循系统中的运动,例如在充电和放电过程中的电极组中。 该目的通过根据本发明的电气分离器实现,其包括具有多个开口的片状柔性基底,并且在所述基底上和所述基底中具有涂层,所述基底是聚合物非织造材料,所述涂层是多孔电绝缘陶瓷涂层, 所述分离器的特征在于所述非织造材料具有小于30μm的厚度,大于50%的孔隙率和孔半径分布,其中至少50%的孔具有75至150μm的孔半径。
    • 10. 发明申请
    • ELECTRIC SEPARATOR, METHOD FOR THE PRODUCTION AND USE THEREOF
    • 电动分离器,其生产和使用方法
    • US20100323233A1
    • 2010-12-23
    • US12870933
    • 2010-08-30
    • Volker HennigeChristian HyingGerhard Hörpel
    • Volker HennigeChristian HyingGerhard Hörpel
    • H01M2/16B05D5/12
    • H01M2/162H01M2/1646H01M2/1666
    • The present invention relates to electrical separators and to a process for making them. An electrical separator is a separator used in batteries and other arrangements in which electrodes have to be separated from each other while maintaining ion conductivity for example. The separator is preferably a thin porous insulating material possessing high ion permeability, good mechanical strength and long-term stability to the chemicals and solvents used in the system, for example in the electrolyte of the battery. In batteries, the separator should fully electrically insulate the cathode from the anode. Moreover, the separator has to be permanently elastic and to follow movements in the system, for example in the electrode pack in the course of charging and discharging. This object is achieved by an electrical separator according to the invention, comprising a sheetlike flexible substrate having a multiplicity of openings and having a coating on and in said substrate, said substrate being a polymeric nonwoven and said coating being a porous electrically insulting ceramic coating, said separator being characterized by a thickness of less than 80 μm.
    • 本发明涉及电动分离器及其制造方法。 电分离器是用于电池和其它布置的隔板,其中电极必须彼此分离,同时保持例如离子传导性。 隔膜优选是具有高离子渗透性,良好的机械强度和对系统中使用的化学品和溶剂的长期稳定性的薄多孔绝缘材料,例如在电池的电解质中。 在电池中,分离器应使阴极与阳极完全电绝缘。 此外,分离器必须是永久的弹性的并且可以跟随系统中的运动,例如在充电和放电过程中的电极组中。 该目的通过根据本发明的电气分离器实现,其包括具有多个开口的片状柔性基底,并且在所述基底上和所述基底中具有涂层,所述基底是聚合物非织造材料,所述涂层是多孔电绝缘陶瓷涂层, 所述分离器的特征在于小于80μm的厚度。