NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME
    2.
    发明申请
    NON-AQUEOUS ELECTROLYTE AND LITHIUM SECONDARY BATTERY USING THE SAME 有权
    不含水的电解质和锂二次电池

    公开(公告)号:US20140242472A1

    公开(公告)日:2014-08-28

    申请号:US14277146

    申请日:2014-05-14

    Applicant: LG Chem, Ltd.

    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, comprising a sulfolane-based additive; and a lithium secondary battery using the same. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention comprises an ionizable lithium salt; an organic solvent; and a sulfolane compound of formula (I), the sulfolane compound being present in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the total weight of the lithium salt and the organic solvent. The non-aqueous electrolyte solution for a lithium secondary battery according to the present invention can exhibit superior storage characteristic and life cycle at a high temperature, with maintaining good output characteristic at a low temperature.

    Abstract translation: 本发明涉及一种锂二次电池用非水电解液,其包含环丁砜系添加剂, 和使用该二次电池的锂二次电池。 本发明的锂二次电池用非水电解液含有电离锂盐, 有机溶剂; 和式(I)的环丁砜化合物,相对于锂盐和有机溶剂的总重量为100重量份,环丁砜化合物的存在量为0.1〜5重量份。 本发明的锂二次电池用非水电解液可以在高温下表现出优异的储存特性和使用寿命,同时在低温下保持良好的输出特性。

    Lithium secondary battery and preparation thereof
    6.
    发明授权
    Lithium secondary battery and preparation thereof 有权
    锂二次电池及其制备

    公开(公告)号:US08999554B2

    公开(公告)日:2015-04-07

    申请号:US13958956

    申请日:2013-08-05

    Applicant: LG Chem, Ltd.

    Abstract: The present invention provides a lithium secondary battery and the preparation thereof, more specifically a lithium secondary battery comprising an electrode assembly having a cathode, an anode, and a separator interposed between the cathode and the anode; and a non-aqueous electrolyte solution impregnated in the electrode assembly, wherein the separator further comprises a layer having a plurality of destroyed capsules dispersed therein, the layer being formed on at least one surface of the separator coming into contact with the cathode and the anode, and the destroyed capsules has a film formed from a binder polymer and inorganic particles dispersed therebetween. The lithium secondary battery of the present invention can be prepared without the separate introducing process of a non-aqueous electrolyte solution, and has a separator exhibiting improved mechanical property and safety.

    Abstract translation: 本发明提供一种锂二次电池及其制备方法,更具体地说是一种锂二次电池,其包括具有阴极,阳极和置于阴极和阳极之间的隔膜的电极组件; 以及浸渍在所述电极组件中的非水电解质溶液,其中所述隔膜还包括其中分散有多个破坏的胶囊的层,所述层形成在所述隔板的至少一个与阴极和阳极接触的表面上 并且被破坏的胶囊具有由粘合剂聚合物形成的膜和分散在其间的无机颗粒。 本发明的锂二次电池可以在不进行非水电解液的独立引入的情况下制备,并且具有改善的机械性能和安全性的隔膜。

    LITHIUM SECONDARY BATTERY AND PREPARATION THEREOF
    9.
    发明申请
    LITHIUM SECONDARY BATTERY AND PREPARATION THEREOF 有权
    锂二次电池及其制备

    公开(公告)号:US20150188181A1

    公开(公告)日:2015-07-02

    申请号:US14657361

    申请日:2015-03-13

    Applicant: LG Chem, Ltd.

    Abstract: The present invention provides a lithium secondary battery and the preparation thereof, more specifically a lithium secondary battery comprising an electrode assembly having a cathode, an anode, and a separator interposed between the cathode and the anode; and a non-aqueous electrolyte solution impregnated in the electrode assembly, wherein the separator further comprises a layer having a plurality of destroyed capsules dispersed therein, the layer being formed on at least one surface of the separator coming into contact with the cathode and the anode, and the destroyed capsules has a film formed from a binder polymer and inorganic particles dispersed therebetween. The lithium secondary battery of the present invention can be prepared without the separate introducing process of a non-aqueous electrolyte solution, and has a separator exhibiting improved mechanical property and safety.

    Abstract translation: 本发明提供一种锂二次电池及其制备方法,更具体地说是一种锂二次电池,其包括具有阴极,阳极和置于阴极和阳极之间的隔膜的电极组件; 以及浸渍在所述电极组件中的非水电解质溶液,其中所述隔膜还包括其中分散有多个破坏的胶囊的层,所述层形成在所述隔板的至少一个与阴极和阳极接触的表面上 并且被破坏的胶囊具有由粘合剂聚合物形成的膜和分散在其间的无机颗粒。 本发明的锂二次电池可以在不进行非水电解液的独立引入的情况下制备,并且具有改善的机械性能和安全性的隔膜。

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