摘要:
A lithium ion secondary cell comprises a positive electrode, a negative electrode, a solid electrolyte and a fiber layer provided in an interface between the solid electrolyte and the positive electrode and/or in an interface between the solid electrolyte and the negative electrode.
摘要:
There is provided a glass-ceramic composite electrolyte including a medium containing glass-ceramic powder impregnated with a non-aqueous electrolytic solution. There is also provided a lithium secondary cell having a positive electrode, a negative electrode and a separator in which the separator includes the above described composite electrolyte. The glass-ceramic powder consists of grains having an average grain diameter of 20 &mgr;m or below (calculated on the basis of volume), a maximum grain diameter of 44 &mgr;m or below and lithium ion conductivity of 1×10−4S·cm−1 or over. The glass-ceramic composite electrolyte has thickness of 100 &mgr;m or below and lithium ion conductivity of 1×10−5S·cm−1 or over.
摘要:
A lithium ion secondary cell comprises a positive electrode, a negative electrode, a solid electrolyte and a fiber layer provided in an interface between the solid electrolyte and the positive electrode and/or in an interface between the solid electrolyte and the negative electrode.
摘要:
A lithium ion conductive glass ceramics which solves a problem of low thermal stability of the related-art lithium ion conductive glass ceramics and which is high in lithium ion conductivity, high in thermal stability of a raw glass and easy for molding is provided. The amount of a specified component in a glass ceramics (raw glass) is limited to a specified range, and specifically, a ZrO2 component is incorporated in the range of from 0.5% to 2.5% in terms of % by mass on the oxide basis.
摘要:
A lithium ion secondary battery includes a positive electrode, a negative electrode and a thin film solid electrolyte including lithium ion conductive inorganic substance. The thin film solid electrolyte has thickness of 20 μm or below and is formed directly on an electrode material or materials for the positive electrode and/or the negative electrode. The thin film solid electrolyte has lithium ion conductivity of 10−5 Scm−1 or over and contains lithium ion conductive inorganic substance powder in an amount of 40 weight % or over in a polymer medium. The average particle diameter of the inorganic substance powder is 0.5 μm or below. According to a method for manufacturing the lithium ion secondary battery, the thin film solid electrolyte is formed by coating the lithium ion conductive inorganic substance directly on the electrode material or materials for the positive electrode and/or the negative electrode.
摘要:
A lithium ion secondary battery includes a positive electrode, a negative electrode and a thin film solid electrolyte including lithium ion conductive inorganic substance. The thin film solid electrolyte has thickness of 20 μm or below and is formed directly on an electrode material or materials for the positive electrode and/or the negative electrode. The thin film solid electrolyte has lithium ion conductivity of 10−5Scm−1 or over and contains lithium ion conductive inorganic substance powder in an amount of 40 weight % or over in a polymer medium. The average particle diameter of the inorganic substance powder is 0.5 μm or below. According to a method for manufacturing the lithium ion secondary battery, the thin film solid electrolyte is formed by coating the lithium ion conductive inorganic substance directly on the electrode material or materials for the positive electrode and/or the negative electrode.
摘要:
A solid electrolyte suitable for use in all solid type lithium ion secondary battery is made by sintering a form, particularly a greensheet, comprising at least lithium ion conductive inorganic substance powder. The solid electrolyte has porosity of 20 vol % or over.
摘要:
A method of manufacturing a lithium ion secondary battery comprising the steps of: forming a laminate by laminating an electrolyte green sheet and a positive electrode green sheet; and sintering the laminate is provided. At least one of the electrolyte green sheet and the positive electrode green sheet contains an amorphous oxide glass powder in which a crystalline having a lithium ion conducting property is precipitated in the step of sintering. A solid state battery produced in accordance with the method is provided.
摘要:
There is provided a lithium ion conductive glass-ceramics which is dense, contains few microvoids causing the decrease in lithium ion conductivity, and achieves good lithium ion conductivity. A glass-ceramics which comprises at least crystallines having an LiTi2P3O12 structure, the crystallines satisfying 1
摘要翻译:提供了一种致密的锂离子传导性玻璃陶瓷,其几乎没有微孔引起锂离子传导性的降低,并获得了良好的锂离子传导性。 至少包括具有LiTi 2 P 3 O 12结构的结晶的玻璃陶瓷,所述晶体满足1
摘要:
A lithium ion conductive glass ceramics which solves a problem of low thermal stability of the related-art lithium ion conductive glass ceramics and which is high in lithium ion conductivity, high in thermal stability of a raw glass and easy for molding is provided. The amount of a specified component in a glass ceramics (raw glass) is limited to a specified range, and specifically, a ZrO2 component is incorporated in the range of from 0.5% to 2.5% in terms of % by mass on the oxide basis.