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    • 3. 发明申请
    • ELECTRIC POWER GENERATING ELEMENT AND NONAQUEOUS ELECTROLYTE BATTERY INCLUDING THE SAME
    • 电力发电元件和非电解电解质电池,包括它们
    • US20110143213A1
    • 2011-06-16
    • US13059313
    • 2010-03-30
    • Nobuhiro OtaTakashi Uemura
    • Nobuhiro OtaTakashi Uemura
    • H01M10/02
    • H01M10/052H01M10/0562H01M2300/0068
    • There are provided an electric power generating element which has excellent cycle characteristics and which can be produced in satisfactory yield, and a nonaqueous electrolyte battery including the electric power generating element. In an electric power generating element including a positive electrode layer, a negative electrode layer, and a solid electrolyte layer arranged between these electrode layers, the solid electrolyte layer containing Li, P, S, and O, the O content of the solid electrolyte layer is set so as to be reduced stepwise or continuously from the positive electrode layer side to the negative electrode layer side. When the electric power generating elements each having the structure are produced, most of them provide stable cycle characteristics, i.e., the electric power generating elements are produced in satisfactory yield
    • 提供了具有优异的循环特性并且可以以良好的产率生产的发电元件和包括发电元件的非水电解质电池。 在包含正极层,负极层和布置在这些电极层之间的固体电解质层的发电元件中,含有Li,P,S和O的固体电解质层,固体电解质层的O含量 被设定为从正极层侧向负极层侧逐步或连续地还原。 当产生各自具有结构的发电元件时,其大部分提供稳定的循环特性,即以令人满意的产量生产发电元件
    • 4. 发明授权
    • Solid electrolyte and method of producing the same
    • 固体电解质及其制备方法
    • US07901598B2
    • 2011-03-08
    • US11798084
    • 2007-05-10
    • Nobuhiro Ota
    • Nobuhiro Ota
    • H01B1/10H01M6/18B05D5/12
    • H01M10/0562H01M2/145H01M2300/002
    • A solid electrolyte and a method of manufacturing the same are provided. The solid electrolyte contains x atomic % of lithium, y atomic % of phosphorus, z atomic % of sulfur, and w atomic % of oxygen, in whichthe x, the y, the z, and the w satisfy the following expressions (1)-(5): 20≦x≦45   (1) 10≦y≦20   (2) 35≦z≦60   (3) 1≦w≦10   (4) x+y+z+w=100   (5), and apexes of X-ray diffraction peaks in an X-ray diffraction pattern obtained by an X-ray diffraction method using a Kα-ray of Cu exist at diffraction angles 2θ of 16.7°±0.25°, 20.4°±0.25°, 23.8°±0.25°, 25.9°, 0.25°, 29.4°±0.25°, 30.4°±0.25°, 31.7°±0.25°, 33.5°±0.25°, 41.5°±0.25°, 43.7°±0.25°, and 51.2°±0.25°, respectively, in the X-ray diffraction pattern, and a half-width of each of the X-ray diffraction peaks is not larger than 0.5°.
    • 提供固体电解质及其制造方法。 固体电解质含有x原子%的锂,y原子%的磷,z原子%的硫和w原子%的氧,其中x,y,z和w满足以下表达式(1) (4)x + y + z + w =​​ 100(5)其中n为1,n为1,n为1,n为1, 并且通过使用Cu的Kα射线通过X射线衍射法获得的X射线衍射图中的X射线衍射峰的顶点存在于衍射角2θ处; 为16.7°±0.25°,20.4°±0.25°,23.8°±0.25°,25.9°,0.25°,29.4°±0.25°,30.4°±0.25°,31.7°±0.25°,33.5°±0.25°,41.5° °±0.25°,43.7°±0.25°,51.2°±0.25°,X射线衍射峰的半宽度不大于0.5°。
    • 5. 发明授权
    • Thin film lithium battery
    • 薄膜锂电池
    • US07618744B2
    • 2009-11-17
    • US11795490
    • 2006-09-12
    • Takashi UemuraMitsuyasu OgawaNobuhiro OtaKatsuji Emura
    • Takashi UemuraMitsuyasu OgawaNobuhiro OtaKatsuji Emura
    • H01M6/12H01M6/46H01M2/00H01M4/82H01L31/42H01L31/00
    • H01M10/052H01M4/134H01M4/66H01M10/0472H01M10/056H01M2300/0094Y10T29/49108
    • A thin film lithium battery is provided which can realize a high yield by solving various problems caused by a pin hole formed in a solid electrolyte layer.A thin film lithium battery according to the present invention is a thin film lithium battery in which a positive electrode layer 20, a negative electrode layer 50, a solid electrolyte layer 40 provided therebetween, and a collector 10 electrically connected to at least one of the positive electrode layer 20 and the negative electrode layer 50 are laminated to each other. When this battery is viewed in plan along the lamination direction of the above individual layers, the positive electrode layer 20 and the negative electrode layer 50 are disposed at positions so as not to be overlapped with each other. By the structure as described above, even if a pin hole is formed in the solid electrolyte layer 40, short-circuiting between the two electrode layers 20 and 50, which is caused by this pin hole, can be prevented.
    • 提供了一种薄膜锂电池,其可以通过解决由固体电解质层中形成的针孔引起的各种问题而实现高产率。 根据本发明的薄膜锂电池是其中设置有正电极层20,负电极层50,固体电解质层40以及与至少一个电极层电连接的集电极10的薄膜锂电池 正极层20和负极层50彼此层叠。 沿着上述各层的层叠方向平面地观察该电池时,将正极层20和负极层50配置在不重叠的位置。 通过如上所述的结构,即使在固体电解质层40中形成针孔,也能够防止由该针孔引起的两个电极层20,50之间的短路。
    • 7. 发明授权
    • Lithium secondary battery
    • 锂二次电池
    • US06365300B1
    • 2002-04-02
    • US09601498
    • 2000-09-15
    • Nobuhiro OtaShosaku Yamanaka
    • Nobuhiro OtaShosaku Yamanaka
    • H01M618
    • H01M10/0562H01M2/1673H01M4/131H01M4/405H01M4/621H01M4/622H01M6/182H01M6/187H01M10/052H01M2300/0068H01M2300/0094Y02E60/122Y02T10/7011
    • A lithium secondary battery that can suppress short circuits caused by the generation of dendrites from the negative electrode, that has high energy density, and that is excellent in charge and discharge-cycle performance. The lithium secondary battery comprises an electrolytic layer, a positive electrode, and a negative electrode that is made of a lithium-containing material. The electrolytic layer is made of an inorganic solid electrolyte. The positive electrode contains an organic high polymer. It is desirable that the electrolytic layer contain at least one type selected from the group consisting of oxygen, sulfur, nitrogen, sulfide, and oxynitride. It is also desirable that the organic electrolysis solution contained in the positive electrode have a lithium ion-conductivity lower than that of the inorganic solid electrolyte constituting the electrolytic layer.
    • 能够抑制由负极产生枝晶引起的短路的锂二次电池,其能量密度高,充放电循环性能优异。 锂二次电池包括由含锂材料制成的电解质层,正极和负极。 电解质层由无机固体电解质构成。 正极含有有机高分子。 理想的是,电解质层含有选自氧,硫,氮,硫化物和氧氮化物中的至少一种。 另外,正极中含有的有机电解液的锂离子传导性也优选低于构成电解质层的无机固体电解质的锂离子传导性。