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    • 11. 发明授权
    • Lithium ion secondary battery
    • 锂离子二次电池
    • US07964311B2
    • 2011-06-21
    • US11283604
    • 2005-11-17
    • Won Chull HanChan Jung KimJae Woong KimJun Ho KimJin Hee KimHa Young Lee
    • Won Chull HanChan Jung KimJae Woong KimJun Ho KimJin Hee KimHa Young Lee
    • H01M2/16
    • H01M2/166H01M2/145H01M2/18H01M10/0525
    • A lithium ion secondary battery is provided. The lithium ion secondary battery generally comprises an electrode assembly, a container for accommodating the electrode assembly; and an electrolyte. The electrode assembly comprises two electrodes having opposite polarities and a separator. The separator comprises a porous membrane comprising clusters of ceramic particles. The porous membrane is formed by bonding the particle clusters with a binder. Each particle cluster is formed either by sintering or by dissolving and re-crystallizing all or a portion of the ceramic particles. The ceramic particles comprise a ceramic material having a band gap. Each particle cluster may have the shape of a grape bunch or a lamina, and may be formed by laminating scale or flake shaped ceramic particles.
    • 提供锂离子二次电池。 锂离子二次电池通常包括电极组件,用于容纳电极组件的容器; 和电解质。 电极组件包括具有相反极性的两个电极和分离器。 分离器包括包含陶瓷颗粒簇的多孔膜。 多孔膜通过将颗粒团与粘合剂结合而形成。 每个颗粒簇通过烧结或通过溶解和重结晶全部或一部分陶瓷颗粒而形成。 陶瓷颗粒包括具有带隙的陶瓷材料。 每个颗粒簇可以具有葡萄束或层的形状,并且可以通过层压鳞片或片状陶瓷颗粒形成。