Positive electrode active material, all-solid-state battery and method for producing all-solid-state battery

    公开(公告)号:US10361427B2

    公开(公告)日:2019-07-23

    申请号:US15267556

    申请日:2016-09-16

    摘要: An all-solid-state battery having an olivine-type positive electrode active material and a sulfur solid electrolyte and a method for producing the all-solid-state battery is provided. The positive electrode active material is a positive electrode active material in which primary particles aggregate into secondary particles. The primary particles have an olivine-type positive electrode active material and a coating layer that coats all or a portion of the olivine-type positive electrode active material. The coating layer contains a transition metal derived from the olivine-type positive electrode active material, lithium, phosphorous and oxygen as components thereof, and the concentration of the transition metal is lower the concentration of the olivine-type positive electrode active material. A transition metal-containing sulfide region with a thickness of 10 nm or less and having sulfur and the transition metal derived from the olivine-type positive electrode active material is present on the surface of the secondary particles.

    Cathode active material for lithium secondary battery, lithium secondary battery and method for producing cathode active material for lithium secondary battery
    3.
    发明授权
    Cathode active material for lithium secondary battery, lithium secondary battery and method for producing cathode active material for lithium secondary battery 有权
    锂二次电池用正极活性物质,锂二次电池以及锂二次电池用正极活性物质的制造方法

    公开(公告)号:US09455445B2

    公开(公告)日:2016-09-27

    申请号:US14811300

    申请日:2015-07-28

    发明人: Hideyuki Koga

    IPC分类号: H01M4/58 H01M10/052 C01B25/45

    摘要: The main object of the present invention is to provide a cathode active material for a lithium secondary battery with high theoretical capacity. The present invention solves the problem by providing a cathode active material for a lithium secondary battery, wherein the cathode active material comprises a crystal structure belonging to a space group C12/c1, and is represented by (Na1-αLiα)xM1-yNy(PO4)z (0.5≦α≦1, 2.5≦x≦3.5, 0≦y≦0.5, 1.5≦z≦2.5, M is at least one of V and Fe, and N is at least one of Co, Ni and Mn).

    摘要翻译: 本发明的主要目的是提供具有高理论容量的锂二次电池用正极活性物质。 本发明通过提供一种用于锂二次电池的阴极活性材料来解决该问题,其中阴极活性材料包括属于空间群C12 / c1的晶体结构,由(Na1-αLiα)xM1-yNy(PO4 )z(0.5≤α≤1,2.5≤x≤3.5,0≤y≤0.5,1.5≤z≤2.5,M是V和Fe中的至少一种,N是Co,Ni和Mn中的至少一种) 。

    Lithium ion battery and method for producing lithium ion battery

    公开(公告)号:US10811653B2

    公开(公告)日:2020-10-20

    申请号:US15655375

    申请日:2017-07-20

    发明人: Hideyuki Koga

    摘要: An object of the present disclosure is to provide a lithium ion battery with low resistance to ion conduction. The present disclosure achieves the object by providing a lithium ion battery comprising: a cathode active material; an anode active material; an insulating oxide with neither electron conductivity nor ion conductivity that is formed in an interface between the cathode active material and the anode active material, and contains at least one kind of an element included in the cathode active material and at least one kind of an element included in the anode active material; and an electrolyte material that is an ion conducting path between the cathode active material and the anode active material; wherein the cathode active material comprises Li, at least one kind of Co, Mn, Ni, and Fe, and O; and the anode active material comprises at least one kind of Si, Li and Ti.

    METHOD FOR PRODUCING LITHIUM PHOSPHORUS OXYNITRIDE LAYER
    7.
    发明申请
    METHOD FOR PRODUCING LITHIUM PHOSPHORUS OXYNITRIDE LAYER 有权
    生产磷酸氢氧化锂层的方法

    公开(公告)号:US20170067161A1

    公开(公告)日:2017-03-09

    申请号:US15255714

    申请日:2016-09-02

    摘要: A method for producing a lithium phosphorus oxynitride layer having high ionic conductivity is provided. The method for producing a lithium phosphorus oxynitride layer on a substrate by atomic layer deposition comprises an atmosphere interchanging step, wherein the atmosphere surrounding the substrate is alternately switched between a first atmosphere, containing a first precursor such as a dialkyl phosphoramidate and/or alkyl phosphorodiamidate, and a second atmosphere, containing a second precursor such as a lithium hexaalkyl disilazide.

    摘要翻译: 提供了具有高离子电导率的磷酸氢氧化锂层的制造方法。 通过原子层沉积在基板上制造磷酸氢氧化锂层的方法包括气氛互换步骤,其中围绕衬底的气氛在包含第一前体例如二烷基氨基磷酸酯和/或烷基磷酰二胺的第一气氛之间交替切换 ,和含有第二前体例如六烷基二硅氮烷锂的第二气氛。