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    METHOD OF PRODUCING A SULFIDE SOLID ELECTROLYTE MATERIAL, SULFIDE SOLID ELECTROLYTE MATERIAL, AND LITHIUM BATTERY
    1.
    发明申请
    METHOD OF PRODUCING A SULFIDE SOLID ELECTROLYTE MATERIAL, SULFIDE SOLID ELECTROLYTE MATERIAL, AND LITHIUM BATTERY 审中-公开

    公开(公告)号：US20180269521A1

    公开(公告)日：2018-09-20

    申请号：US15984916

    申请日：2018-05-21

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Takamasa OHTOMO ,  Koji KAWAMOTO ,  Shigenori HAMA ,  Yuki KATO

    IPC分类号： H01M10/052 ,  H01M10/0562

    摘要： A method of producing a sulfide solid electrolyte material includes: forming an intermediate having crosslinking sulfur but no Li2S, by vitrifying, in a first vitrification process, a starting material composition obtained by mixing Li2S and a sulfide of a group 14 or group 15 element such that a proportion of Li2S with respect to the sum total of the Li2S and the sulfide of a group 14 or group 15 element is smaller than a proportion of Li2S required for the sulfide solid electrolyte material to obtain an ortho composition; and eliminating the crosslinking sulfur by vitrifying, in a second vitrification process, an intermediate-containing composition resulting from mixing a bond cleaving compound, which cleaves a bond of the crosslinking sulfur, with the intermediate.

    SULFIDE SOLID ELECTROLYTE MATERIAL, LITHIUM SOLID-STATE BATTERY, AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE MATERIAL
    5.
    发明申请
    SULFIDE SOLID ELECTROLYTE MATERIAL, LITHIUM SOLID-STATE BATTERY, AND METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE MATERIAL 审中-公开
    硫化固体电解质材料，锂固体电池，以及用于生产硫化物固体电解质材料的方法

    公开(公告)号：US20150357675A1

    公开(公告)日：2015-12-10

    申请号：US14832194

    申请日：2015-08-21

    申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

    发明人： Takamasa OHTOMO ,  Koji KAWAMOTO ,  Shigenori HAMA ,  Yuki KATO

    IPC分类号： H01M10/0562 ,  H01M10/0525

    CPC分类号： H01M10/0562 ,  C03C4/18 ,  C03C10/16 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0068 ,  H01M2300/008 ,  Y02E60/122 ,  Y02T10/7011

    摘要： A sulfide solid electrolyte material contains glass ceramics that contains Li, A, X, and S, and has peaks at 2θ=20.2° and 23.6° in X-ray diffraction measurement with CuKα line. A is at least one kind of P, Si, Ge, Al, and B, and X is a halogen. A method for producing a sulfide solid electrolyte material includes amorphizing a raw material composition containing Li2S, a sulfide of A, and LiX to synthesize sulfide glass, and heating the sulfide glass at a heat treatment temperature equal to or more than a crystallization temperature thereof to synthesize glass ceramics having peaks at 2θ=20.2° and 23.6° in X-ray diffraction measurement with CuKα line, in which a ratio of the LiX contained in the raw material composition and the heat treatment temperature are controlled to obtain the glass ceramics.

    摘要翻译： 硫化物固体电解质材料包含含有Li，A，X和S的玻璃陶瓷，并且在CuKα线的X射线衍射测量中，在2θ处具有峰值= 20.2°和23.6°。 A是至少一种P，Si，Ge，Al和B，X是卤素。 硫化物固体电解质材料的制造方法包括使包含Li 2 S，A的硫化物和LiX的原料组合物非晶化，合成硫化物玻璃，将其加热至等于或高于其结晶温度的热处理温度， 在CuKα线的X射线衍射测定中合成具有2θ的峰值= 20.2°和23.6°的玻璃陶瓷，其中控制原料组成中所含的LiX与热处理温度的比例以获得玻璃陶瓷。