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    • 3. 发明申请
    • Composition for battery
    • 电池组成
    • US20100028773A1
    • 2010-02-04
    • US12311687
    • 2008-03-04
    • Naohisa HirotaTadashi ItabashiShinichiro MakiDaisuke Nakasone
    • Naohisa HirotaTadashi ItabashiShinichiro MakiDaisuke Nakasone
    • H01M4/24H01M4/04H01B1/04H01M10/00
    • H01M4/62H01M4/13H01M4/366H01M4/623H01M4/625H01M10/052
    • A composition for a battery containing an electroconductive assistant improves battery performance of a battery produced using this composition as a result of achieving dispersion stabilization without inhibiting electroconductivity of the electroconductive assistant. The invention provides a composition for a battery comprising at least one type of dispersant selected from an organic pigment derivative having an acidic functional group(s) or a triazine derivative having an acidic functional group(s), a carbon material as an electroconductive assistant, and as necessary, a solvent, a binder and a positive electrode active substance or negative electrode active substance; and also provides a lithium secondary battery comprising a positive electrode having a positive electrode composite layer on a current collector, a negative electrode having a negative electrode composite layer on a current collector, an electrolyte containing lithium, and as necessary, an electrode foundation layer, wherein the positive electrode composite layer, the negative electrode composite layer or the electrode foundation layer is formed using the composition for a battery described above.
    • 含有导电助剂的电池用组合物通过实现分散稳定化而不阻碍导电助剂的导电性,提高使用该组合物制造的电池的电池性能。 本发明提供一种电池组合物,其包含选自具有酸性官能团的有机颜料衍生物或具有酸性官能团的三嗪衍生物,作为导电助剂的碳材料的至少一种分散剂, 根据需要,可以使用溶剂,粘合剂和正极活性物质或负极活性物质; 并且还提供一种锂二次电池,其包括在集电体上具有正极复合层的正极,在集电体上具有负极复合层的负极,含有锂的电解液,根据需要,包括电极基底层, 其中使用上述电池组合物形成正极复合层,负极复合层或电极基底层。
    • 5. 发明申请
    • Composition for battery
    • 电池组成
    • US20110159360A1
    • 2011-06-30
    • US12737045
    • 2008-12-22
    • Naohisa HirotaTadashi ItabashiShinichiro Maki
    • Naohisa HirotaTadashi ItabashiShinichiro Maki
    • H01M10/052H01M4/583
    • H01M10/052H01M4/624H01M10/0567H01M10/0569
    • The object is to stabilize the dispersion of a conductive additive in a composition for a battery without deteriorating the conducting property of the conductive additive, and to thereby improve the battery performance of a battery produced by using the composition. Disclosed is a composition for a battery, which comprises: at least one dispersing agent selected from an organic dye derivative having a basic functional group, an anthraquinone derivative having a basic functional group, an acridone derivative having a basic functional group and a triazine derivative having a basic functional group; a carbon material as a conductive additive; and optionally an acid, a solvent, a binder, and a positive electrode active material or a negative electrode active material. Also disclosed is a lithium secondary battery comprising: a positive electrode comprising a collector and a composite positive electrode material layer arranged on the collector; a negative electrode comprising a collector and a composite negative electrode material layer arranged on the collector; an electrolyte containing lithium; and optionally an electrode under layer, wherein the composite positive electrode material layer, the composite negative electrode material layer or the electrode under layer is formed by using the composition.
    • 本发明的目的是为了稳定导电性添加剂在电池用组合物中的分散性,而不会降低导电性添加剂的导电性,从而提高使用该组合物而制造的电池的电池性能。 公开了一种电池组合物,其包含:至少一种分散剂,其选自具有碱性官能团的有机染料衍生物,具有碱性官能团的蒽醌衍生物,具有碱性官能团的吖啶酮衍生物和三嗪衍生物,其具有 一个基本功能组; 作为导电添加剂的碳材料; 和任选的酸,溶剂,粘合剂和正极活性物质或负极活性物质。 还公开了一种锂二次电池,其包括:正极,其包括集电体和布置在集电体上的复合正电极材料层; 包含集电体的负极和设置在集电体上的复合负极材料层; 含锂的电解液; 以及任选的电极底层,其中通过使用该组合物形成复合正极材料层,复合负极材料层或电极下层。