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    METHOD FOR STABILIZING LIPF6, ELECTROLYTE SOLUTION FOR NONAQUEOUS SECONDARY BATTERIES HAVING EXCELLENT THERMAL STABILITY, AND NONAQUEOUS SECONDARY BATTERY HAVING EXCELLENT THERMAL STABILITY
    1.
    发明申请
    METHOD FOR STABILIZING LIPF6, ELECTROLYTE SOLUTION FOR NONAQUEOUS SECONDARY BATTERIES HAVING EXCELLENT THERMAL STABILITY, AND NONAQUEOUS SECONDARY BATTERY HAVING EXCELLENT THERMAL STABILITY 有权
    用于稳定LIPF6的方法，具有极好的热稳定性的非水二次电池的电解液，以及具有极好的热稳定性的非水二次电池

    公开(公告)号：US20150140445A1

    公开(公告)日：2015-05-21

    申请号：US14406884

    申请日：2013-06-13

    申请人： TOSOH F-TECH, INC.

    发明人： Masahiro Aoki ,  Hideyuki Mimura ,  Hisao Eguchi

    IPC分类号： H01M10/0567 ,  H01G11/56 ,  H01M10/0568 ,  C07F9/24 ,  H01M10/052

    CPC分类号： H01M10/0567 ,  C07F9/091 ,  C07F9/11 ,  C07F9/1411 ,  C07F9/224 ,  C07F9/24 ,  C07F9/2458 ,  C07F9/2462 ,  C07F9/2466 ,  C07F9/247 ,  C07F9/650952 ,  C07F9/6533 ,  C07F9/6544 ,  H01G11/56 ,  H01G11/58 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025 ,  H01M2300/0037 ,  Y02E60/122 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

    摘要： [Problem] To provide: a method for stabilizing a solution that contains LiPF6 by increasing thermal stability of LiPF6 without changing the structure thereof; an electrolyte solution for nonaqueous secondary batteries, which has increased thermal stability; and a nonaqueous secondary battery which has increased thermal stability.[Solution] To have a solution containing LiPF6 contain a phosphoric acid ester amide represented by general formula (I) in such an amount that the molar ratio of the phosphoric acid ester amide relative to LiPF6 is 0.001-2. (In the formula, m represents an integer of 1 or 2; each of R1 and R2 represents a branched or linear alkyl group having 1 to 6 carbon atoms and/or a hydrocarbon group having an unsaturated bond, provided that R1 and R2 may have a substituent that is selected from the group consisting of an alkoxy group, an amino group, an alkylthio group, a saturated heterocyclic group, an unsaturated heterocyclic group, and a fluorine atom, and R1 and R2 may combine together to form a 5 to 8 membered cyclic structure; and R3 represents a branched or linear alkyl group having 1 to 6 carbon atoms or a branched or linear fluorine-containing alkyl group having 1 to 6 carbon atoms)

    摘要翻译： [问题]提供：通过增加LiPF 6的热稳定性而不改变其结构来稳定含有LiPF 6的溶液的方法; 非水系二次电池用电解液，其热稳定性提高; 和具有增加的热稳定性的非水二次电池。 [溶液]为了使含有LiPF 6的溶液含有通式（I）所示的磷酸酯酰胺，其量使得磷酸酯酰胺相对于LiPF 6的摩尔比为0.001-2。 （式中，m表示1或2的整数，R1和R2各自表示碳原子数1〜6的支链或直链烷基，和/或具有不饱和键的烃基，只要R 1和R 2可具有 选自烷氧基，氨基，烷硫基，饱和杂环基，不饱和杂环基和氟原子的取代基，R1和R2可以组合在一起形成5至8个 R3表示碳原子数1〜6的支链或直链烷基或碳原子数1〜6的支链或直链状含氟烷基）