Positive electrode mixture slurry for lithium secondary batteries, and positive electrode and lithium secondary battery that use said slurry
    1.
    发明授权
    Positive electrode mixture slurry for lithium secondary batteries, and positive electrode and lithium secondary battery that use said slurry 有权
    用于锂二次电池的正极混合物浆料,以及使用所述浆料的正极和锂二次电池

    公开(公告)号:US09257696B2

    公开(公告)日:2016-02-09

    申请号:US13201127

    申请日:2010-02-10

    摘要: The invention provides a stable positive-electrode mixture slurry that is not subject to gelation, a positive electrode with abundant flexibility, and a lithium secondary battery with excellent battery characteristics. The slurry comprises a positive-electrode active material, a binder, and an organic solvent, the positive-electrode active material is a lithium-containing complex metal oxide represented by Formula: Lix M1yM21-yO2 (wherein 0.4≦x≦1; 0.3≦y≦1; M1 is at least one selected from Ni or Mn; and M2 is at least one selected from Co, Al, or Fe); and the binder comprises a fluorine-containing polymer represented by Composition Formula: (VDF)m(TFE)n(HFP)l (wherein VDF is a structural unit from vinylidene fluoride; TFE is a structural unit from tetrafluoroethylene; HFP is a structural unit from hexafluoropropylene; and 0.45≦m≦1; 0≦n≦0.5; and 0≦l≦0.1, and m+n+l=1).

    摘要翻译: 本发明提供了不会凝胶化的稳定的正极混合料浆料,具有大量柔韧性的正极和具有优异电池特性的锂二次电池。 该浆料包含正极活性物质,粘合剂和有机溶剂,正极活性物质是由式:Lix M1yM21-yO2(其中0.4≦̸ x≦̸ 1; 0.3)表示的含锂复合金属氧化物 ≦̸ y≦̸ 1; M1是选自Ni或Mn中的至少一种; M2是选自Co,Al或Fe中的至少一种); 粘合剂包括由组成式:(VDF)m(TFE)n(HFP)1(其中VDF是来自偏二氟乙烯的结构单元; TFE是来自四氟乙烯的结构单元)表示的含氟聚合物; HFP是结构单元 来自六氟丙烯;和0.45≦̸ m≦̸ 1; 0≦̸ n≦̸ 0.5;以及0< l; l≦̸ 0.1和m + n + 1 = 1)。

    SOLVENT FOR NONAQUEOUS ELECTROLYTE SOLUTION OF LITHIUM SECONDARY BATTERY
    6.
    发明申请
    SOLVENT FOR NONAQUEOUS ELECTROLYTE SOLUTION OF LITHIUM SECONDARY BATTERY 有权
    锂二次电池非电解电解液溶剂

    公开(公告)号:US20120183867A1

    公开(公告)日:2012-07-19

    申请号:US13496971

    申请日:2010-09-17

    IPC分类号: H01M10/0569

    摘要: The present invention provides a solvent for a nonaqueous electrolyte solution enabling a lithium secondary battery to exhibit an excellent discharge capacity, load characteristics, and cycle characteristics even under high voltages, as well as a nonaqueous electrolyte solution that uses this solvent and a lithium secondary battery. This solvent for a nonaqueous electrolyte solution is a solvent for a nonaqueous electrolyte solution for a lithium secondary battery, wherein the solvent for a nonaqueous electrolyte solution contains a fluorine-free cyclic carbonate (I), a fluorine-free chain carbonate (II), and a 1,1-di(fluorinated alkyl)ethylene carbonate (III), and wherein with a sum of (I), (II), and (III) being 100 volume %, the fluorine-free cyclic carbonate (I) is 10 to 50 volume %, the fluorine-free chain carbonate (II) is 49.9 to 89.9 volume %, and the 1,1-di(fluorinated alkyl)ethylene carbonate (III) is from at least 0.1 volume % to not more than 30 volume %.

    摘要翻译: 本发明提供一种非水电解液的溶剂,其能够使锂二次电池即使在高电压下也显示优异的放电容量,负载特性和循环特性,以及使用该溶剂的非水电解质溶液和锂二次电池 。 该非水电解液用溶剂是锂二次电池用非水电解液的溶剂,其中,非水电解液的溶剂含有无氟环状碳酸酯(I),无氟碳酸链(II), 和(I),(II)和(III)之和为100体积%的无水环状碳酸酯(I)为1〜2(氟化烷基)碳酸亚乙酯(III) 10〜50体积%,无碳链碳酸酯(II)为49.9〜89.9体积%,1,1-二(氟化烷基)碳酸亚乙酯(III)为0.1体积%以上30以下 体积%。

    SOLVENT FOR DISSOLVING ELECTROLYTE SALT OF LITHIUM SECONDARY CELL
    7.
    发明申请
    SOLVENT FOR DISSOLVING ELECTROLYTE SALT OF LITHIUM SECONDARY CELL 审中-公开
    用于溶解锂二次电池的电解质盐的溶剂

    公开(公告)号:US20110195317A1

    公开(公告)日:2011-08-11

    申请号:US13056599

    申请日:2009-07-29

    摘要: A solvent for a non-aqueous electrolytic solution providing a lithium secondary cell being specifically excellent in discharge capacity, rate characteristic and cycle characteristic and having improved incombustibility (safety), a non-aqueous electrolytic solution using the solvent, and further a lithium secondary cell are provided. The solvent for dissolving an electrolyte salt of a lithium secondary cell comprises at least one fluorine-containing solvent (I) selected from the group consisting of fluorine-containing ether, fluorine-containing ester and fluorine-containing chain carbonate, a fluorine-containing aromatic compound (II), in which a part or the whole of hydrogen atoms are replaced by fluorine atoms, and other carbonate (III), the non-aqueous electrolytic solution comprises the solvent and an electrolyte salt, and the lithium secondary cell uses the non-aqueous electrolytic solution.

    摘要翻译: 提供特别优异的放电容量,速率特性和循环特性并且具有改善的不燃性(安全性)的锂二次电池的非水电解液的溶剂,使用该溶剂的非水电解液,以及锂二次电池 被提供。 用于溶解锂二次电池的电解质盐的溶剂包括至少一种选自含氟醚,含氟酯和含氟链状碳酸酯的含氟溶剂(I),含氟芳族 化合物(II)(其中一部分或全部氢原子被氟原子取代)和其它碳酸酯(III),非水电解液包含溶剂和电解质盐,锂二次电池使用非 - 水溶液。

    COMPOSITE GEL ELECTROLYTE FILM FOR SECONDARY BATTERY, AND SECONDARY BATTERY
    8.
    发明申请
    COMPOSITE GEL ELECTROLYTE FILM FOR SECONDARY BATTERY, AND SECONDARY BATTERY 审中-公开
    用于二次电池的复合凝胶电解质膜和二次电池

    公开(公告)号:US20120301794A1

    公开(公告)日:2012-11-29

    申请号:US13577119

    申请日:2011-02-07

    IPC分类号: H01M10/0565 H01M10/0561

    摘要: The present invention provides a composite gel electrolyte film for a secondary battery which has improved ion conductivity and excellent ignition resistance and is insusceptible to discoloration. The present invention is a composite gel electrolyte film for a secondary battery comprising: a gel electrolyte for a secondary battery formed of an electrolyte retention film impregnated with a nonaqueous electrolyte; and a porous film formed of at least one resin selected from the group consisting of polyethylene, polypropylene, and polyimide, the electrolyte retention film containing a vinylidene fluoride copolymer resin that includes a vinylidene fluoride unit and a tetrafluoroethylene unit at a molar ratio of 55/45 to 95/5 and further includes 0 to 10 mol % of a hexafluoropropylene unit, the total of the vinylidene fluoride unit, the tetrafluoroethylene unit, and the hexafluoropropylene unit being 100 mol %.

    摘要翻译: 本发明提供一种二次电池用复合凝胶电解质膜,其具有改善的离子传导性和优异的耐点火性,并且不易变色。 本发明是一种二次电池用复合凝胶电解质膜,其特征在于,包括:由浸渍有非水电解质的电解质保留膜形成的二次电池用凝胶电解质; 以及由选自聚乙烯,聚丙烯和聚酰亚胺的至少一种树脂形成的多孔膜,所述电解质保留膜含有偏二氟乙烯单元和四氟乙烯单元的偏二氟乙烯共聚物树脂,摩尔比为55 / 45〜95/5,进一步含有0〜10摩尔%的六氟丙烯单元,1,1-二氟乙烯单元,四氟乙烯单元和六氟丙烯单元的合计为100摩尔%。

    POSITIVE ELECTRODE MIXTURE SLURRY FOR LITHIUM SECONDARY BATTERIES, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY THAT USE SAID SLURRY
    9.
    发明申请
    POSITIVE ELECTRODE MIXTURE SLURRY FOR LITHIUM SECONDARY BATTERIES, AND POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY THAT USE SAID SLURRY 有权
    用于锂二次电池的正极电极混合物浆料,以及使用所述浆料的正极和锂二次电池

    公开(公告)号:US20110318638A1

    公开(公告)日:2011-12-29

    申请号:US13201127

    申请日:2010-02-10

    摘要: The invention provides a stable positive-electrode mixture slurry that is not subject to gelation, a positive electrode with abundant flexibility, and a lithium secondary battery with excellent battery characteristics. The slurry comprises a positive-electrode active material, a binder, and an organic solvent, the positive-electrode active material is a lithium-containing complex metal oxide represented by Formula: Lix M1yM21−yO2 (wherein 0.4≦x≦1; 0.3≦y≦1; M1 is at least one selected from Ni or Mn; and M2 is at least one selected from Co, Al, or Fe); and the binder comprises a fluorine-containing polymer represented by Composition Formula: (VDF)m(TFE)n(HFP)l (wherein VDF is a structural unit from vinylidene fluoride; TFE is a structural unit from tetrafluoroethylene; HFP is a structural unit from hexafluoropropylene; and 0.45≦m≦1; 0≦n≦0.5; and 0≦l≦0.1, and m+n+l=1).

    摘要翻译: 本发明提供了不会凝胶化的稳定的正极混合料浆料,具有大量柔韧性的正极和具有优异电池特性的锂二次电池。 该浆料包含正极活性物质,粘合剂和有机溶剂,正极活性物质是由式:Lix M1yM21-yO2(其中0.4≦̸ x≦̸ 1; 0.3)表示的含锂复合金属氧化物 ≦̸ y≦̸ 1; M1是选自Ni或Mn中的至少一种; M2是选自Co,Al或Fe中的至少一种); 粘合剂包括由组成式:(VDF)m(TFE)n(HFP)1(其中VDF是来自偏二氟乙烯的结构单元; TFE是来自四氟乙烯的结构单元)表示的含氟聚合物; HFP是结构单元 来自六氟丙烯;和0.45≦̸ m≦̸ 1; 0≦̸ n≦̸ 0.5;以及0< l; l≦̸ 0.1和m + n + 1 = 1)。