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    • 3. 发明专利
    • Method for manufacturing composite, composite, and alkaline metal secondary battery including the same
    • 制造复合材料,复合材料和碱金属二次电池的方法
    • JP2012059529A
    • 2012-03-22
    • JP2010201351
    • 2010-09-08
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • MATSUO HIDEHITOOTA SHINGOSAWADA HIROSHIKOBAYASHI TETSUOASAOKA MASAHIKOSEKI JUNTARO
    • H01M10/058H01B1/06H01M10/052H01M10/0562
    • Y02P70/54
    • PROBLEM TO BE SOLVED: To increase energy density and reduce inner resistance furthermore, in an alkaline metal secondary battery.SOLUTION: A method for manufacturing a composite according to the present invention includes: a raw materials forming step of preparing a raw materials forming body including a material of raw materials formed on a surface of a solid electrolyte conducting an alkaline metal, the material of raw materials at least containing raw materials of an active material capable of forming the active material through a reaction with the alkaline metal; and an active material forming step of firing the raw materials forming body and forming the active material on the surface of the solid electrolyte using even the alkaline metal existing on the surface of the solid electrolyte. In the composite according to the present invention, active material particles are formed to be brought into close contact with the surface of the solid electrolyte conducting the alkaline metal, and an alkaline metal compound layer including the alkali metal is not formed between the solid electrolyte and the active material.
    • 要解决的问题:在碱金属二次电池中进一步增加能量密度并降低内阻。 解决方案:根据本发明的复合材料的制造方法包括:原料形成步骤,准备包含在导电碱金属的固体电解质的表面上形成的原料的材料的原料形成体, 原材料至少含有能够通过与碱金属的反应形成活性物质的活性物质的原料; 以及使固体电解质表面上存在的碱金属均匀地烧结原料形成体并在固体电解质的表面形成活性物质的活性物质形成工序。 在根据本发明的复合材料中,形成活性物质颗粒与导电碱金属的固体电解质的表面紧密接触,并且在固体电解质和固体电解质之间不形成包含碱金属的碱金属化合物层 活性物质。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • All-solid lithium secondary battery
    • 全固态二次电池
    • JP2011054438A
    • 2011-03-17
    • JP2009202826
    • 2009-09-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • KOBAYASHI TETSUOAZUMA HIROZUMIOTA SHINGOASAOKA MASAHIKOKAWAMURA JUNICHIKUWATA NAOAKI
    • H01M10/0562C22C12/00C22C28/00H01M4/38H01M10/052H01M10/0585
    • Y02E60/122Y02T10/7011
    • PROBLEM TO BE SOLVED: To provide an all-solid lithium secondary battery which is superior in durability, in the repetition of charging and discharging.
      SOLUTION: The all-solid lithium secondary battery 20 is provided with a conductive layer 22 formed on a substrate 21, and a positive electrode 24, a solid electrolyte layer 26 and a negative electrode 28, formed by being sequentially laminated on the conductive layer 22. A current-collecting lead 23 is connected to the conductive layer 22, and a current-collecting lead 29 is connected to the negative electrode 28. In the all-solid lithium secondary battery 20, the solid electrolyte 26 is formed of lithium phosphate system glass, and the negative electrode 28 is formed of an alloy of indium and antimony. The negative electrode 28 is formed at a composition ratio In/Sb of indium and antimony, in a range of 1.0 or more and 1.2 or less. In addition, the solid electrolyte 26 may be lithium phosphate glass in it entirety, and the lithium phosphate glass may also be formed at least on a surface of the negative electrode 28.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供耐久性优异的充电和放电重复的全固态锂二次电池。 解决方案:全固态锂二次电池20设置有形成在基板21上的导电层22,并且正极24,固体电解质层26和负极28通过依次层压在 集电引线23连接到导电层22,集电引线29连接到负电极28.在全固态锂二次电池20中,固体电解质26由 磷酸锂系统玻璃,负极28由铟和锑的合金形成。 负极28以铟和锑的组成比In / Sb形成在1.0以上且1.2以下的范围内。 此外,固体电解质26可以是整体上的磷酸锂玻璃,并且磷酸锂玻璃也可以至少在负极28的表面上形成。版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • All-solid-state lithium ion secondary battery
    • 全固态锂离子二次电池
    • JP2010272344A
    • 2010-12-02
    • JP2009122991
    • 2009-05-21
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • OTA SHINGOKOBAYASHI TETSUOASAOKA MASAHIKOASAI MITSURU
    • H01M10/0562C01G25/00C01G33/00H01M10/052
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide an all-solid-state lithium ion secondary battery which contains a garnet-type oxide having excellent chemical stability and a wide potential window, and has high conductivity. SOLUTION: The all-solid-state lithium ion secondary battery contains a novel garnet-type oxide serving as a solid electrolyte. The garnet-type oxide is one represented by a composition formula Li 5+X La 3 (Zr X , A 2-X )O 12 (A is one or more kinds of elements selected from a group composed of Sc, Ti, V, Y, Nb, Hf, Ta, Al, Si, Ga and Ge, and X satisfies 1.4≤X 7 La 3 Zr 2 O 12 , where intensity after the standardization of (024) diffraction is 9.2 or higher when the intensity of (220) diffraction in an XRD is standardized to one. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种全固态锂离子二次电池,其包含具有优异的化学稳定性和宽电势窗的石榴石型氧化物,并且具有高导电性。 解决方案:全固态锂离子二次电池含有用作固体电解质的新型石榴石型氧化物。 石榴石型氧化物是由组成式Li <5> X + X 3 (Zr X ,A 2-X (A是选自Sc,Ti,V,Y,Nb,Hf,Ta,Al,Si,Ga和Ge中的一种或多种元素) ,X满足1.4≤X<2),或通过将组成式Li表示的Zr位置的离子半径不同于Zr的元素代替的石榴石型氧化物, (024)衍射的标准化后的强度为9.2或更高时,当在(024)衍射中的(220)衍射强度为 XRD标准化为一。 版权所有(C)2011,JPO&INPIT
    • 8. 发明专利
    • Lithium secondary battery and electrode for the same
    • 锂二次电池和电极
    • JP2011159528A
    • 2011-08-18
    • JP2010020943
    • 2010-02-02
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • MATSUO HIDEHITOOTA SHINGOSAWADA HIROSHIKOBAYASHI TETSUOASAOKA MASAHIKO
    • H01M10/058H01M4/13H01M10/052H01M10/0566
    • Y02E60/122
    • PROBLEM TO BE SOLVED: To provide a lithium secondary battery enhancing safety and performing more stable charging and discharging as well. SOLUTION: The lithium secondary battery 10 includes a cathode 13 in which a cathode active material layer 12 is formed on a current collector 11, an anode 18 in which an anode active material layer 17 is formed on a surface of a current collector 14, an insulation layer 19 formed on the surface of the anode active material layer 17, and a nonaqueous electrolyte solution 20 interposed between the cathode 13 and the anode 18. The insulation layer 19 is formed of a garnet-type oxide which contains Zr and conducts lithium ion. The insulation layer 19 is formed of the garnet-type oxide as expressed in a composition formula Li 5+X La 3 (Zr X , A 2-X )O 12 . In the formula, A is an element of one kind or more selected from a group of Sc, Ti, V. Y, Nb, Hf, Ta, Al, Si, Ga and Ge, and X is 1.4≤X COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种提高安全性并执行更稳定的充放电的锂二次电池。 解决方案:锂二次电池10包括在集电体11上形成阴极活性物质层12的阴极13,在集电体11的表面上形成有负极活性物质层17的阳极18 14是形成在阳极活性物质层17的表面上的绝缘层19,以及设置在阴极13和阳极18之间的非水电解质溶液20.绝缘层19由含有Zr的石榴石型氧化物形成, 进行锂离子。 绝缘层19由以下组成式表示的石榴石型氧化物形成:组成式Li&lt; SB&gt; 5 + X&lt; 3&lt; 3&gt;(SB) 2-X )O 12 。 在该式中,A是选自Sc,Ti,V,Y,Nb,Hf,Ta,Al,Si,Ga和Ge中的一种以上的元素,X为1.4≤X<2。 绝缘层19可以形成在阴极活性物质层12的表面上。版权所有:(C)2011,JPO&INPIT