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    SODIUM ION SECONDARY BATTERY AND NEGATIVE ELECTRODE ACTIVE MATERIAL USED THEREIN
    2.
    发明申请
    SODIUM ION SECONDARY BATTERY AND NEGATIVE ELECTRODE ACTIVE MATERIAL USED THEREIN 审中-公开
    钠离子二次电池和负极电极活性材料

    公开(公告)号：US20100261051A1

    公开(公告)日：2010-10-14

    申请号：US12744643

    申请日：2008-11-21

    申请人： Shigeto Okada ,  Manabu Nishijima ,  Takayuki Doi ,  Jun-ichi Yamaki ,  Masami Makidera ,  Taketsugu Yamamoto

    发明人： Shigeto Okada ,  Manabu Nishijima ,  Takayuki Doi ,  Jun-ichi Yamaki ,  Masami Makidera ,  Taketsugu Yamamoto

    IPC分类号： H01M6/04 ,  H01M4/58

    CPC分类号： H01M10/054 ,  H01M4/02 ,  H01M4/587 ,  H01M2004/021

    摘要： A sodium ion secondary battery having far superior potential stability during discharge when repeatedly charging and discharging, and a negative electrode active material capable of being efficiently doped and dedoped with sodium ions used therefor are provided. The sodium ion secondary battery according to the present invention includes a positive electrode containing a positive electrode active material capable of being doped and dedoped with sodium ions, a negative electrode containing a negative electrode active material containing, as a sole component or as a main component, a glassy carbonaceous material capable of being doped and dedoped with sodium ions, and an electrolyte containing sodium ions. Further, the negative electrode active material for a non-aqueous electrolyte sodium ion secondary battery according to the present invention includes a glassy carbonaceous material as a sole component or as a main component.

    摘要翻译： 提供了在重复充放电时在放电期间具有非常优异的电位稳定性的钠离子二次电池以及能够有效地掺杂并去除其中使用的钠离子的负极活性物质。 根据本发明的钠离子二次电池包括含有能够掺杂和脱掺杂钠离子的正极活性物质的正极，含有负极活性物质的负极作为唯一成分或作为主要成分 能够掺杂和脱掺杂钠离子的玻璃质碳质材料和含有钠离子的电解质。 此外，本发明的非水电解质钠离子二次电池用负极活性物质，作为单一成分或主要成分，含有玻璃质碳质材料。