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    • 92. 发明授权
    • Negative electrode for non-aqueous secondary battery, and a non-aqueous secondary battery
    • 非水二次电池用负极和非水二次电池
    • US09537139B2
    • 2017-01-03
    • US13814069
    • 2011-08-03
    • Naokage TanakaAkira InabaKeiichiro UenaeMasayuki YamadaKazunobu Matsumoto
    • Naokage TanakaAkira InabaKeiichiro UenaeMasayuki YamadaKazunobu Matsumoto
    • H01M4/131H01M4/133H01M4/134H01M4/36H01M4/38H01M4/485H01M4/587H01M4/525H01M10/052
    • H01M4/131H01M4/133H01M4/134H01M4/364H01M4/38H01M4/485H01M4/525H01M4/587H01M10/052Y02E60/122
    • [Objectives] The present invention provides a non-aqueous secondary battery in which a material containing Si and O as constituent elements is used in a negative electrode. The present invention provides a non-aqueous secondary battery having good charge discharge cycle characteristics, and suppressing the battery swelling associated with the charge and the discharge. Also, the present invention relates to a negative electrode that can provide the non-aqueous secondary battery. [Solution] The negative electrode includes a negative electrode active material, including a composite of a material containing Si and O as constitution elements (atom ratio x of O to Si is 0.5≦x≦1.5) in combination with a carbon material, and graphite. The graphite has an average particle diameter dg (μm) of 4 to 20 μm. The material containing Si and O as constitution elements has an average particle diameter ds (μm) of 1 μm or more. The ratio ds/dg (i.e., ds to dg) is 0.05 to 1. The material containing Si and O as constitution elements has a crystallite diameter of 50 nm or less, the crystallite diameter is calculated from a half width at a (220) plane of Si obtained by an X-ray diffraction method, using Scherrer Formula. In 100 mass % of the composite of the material containing Si and O as constitution elements, and the carbon material, a ratio of the material containing Si and O as constitution elements is 70 to 95 mass %.
    • [目的]本发明提供一种非水二次电池,其中在负极中使用含有Si和O作为构成元素的材料。 本发明提供一种具有良好的充电放电循环特性并抑制与充电和放电相关的电池膨胀的非水二次电池。 另外,本发明涉及能够提供非水二次电池的负极。 [解决方案]负极包括负极活性物质,其包含作为构成元素的含Si和O的材料(O与Si的原子比x为0.5≤x≤1.5)与碳材料的组合,以及石墨 。 石墨的平均粒径dg(μm)为4〜20μm。 含有Si和O作为构成元素的材料的平均粒径ds(μm)为1μm以上。 比率ds / dg(即ds至dg)为0.05〜1。作为构成元素的含有Si和O的材料的微晶直径为50nm以下,微晶直径由(220)的半值宽度计算, 使用Scherrer公式通过X射线衍射法获得的Si平面。 在作为构成元素的含有Si和O的材料的复合材料的100质量%中,作为构成要素的含有Si和O的材料的比例为70〜95质量%。
    • 99. 发明授权
    • Housing assembly for use in fan unit and fan unit including the same
    • 用于风扇单元的壳体组件和包括其的风扇单元
    • US08475126B2
    • 2013-07-02
    • US12237495
    • 2008-09-25
    • Yusuke YoshidaTakahiro KikuichiMasayuki Yamada
    • Yusuke YoshidaTakahiro KikuichiMasayuki Yamada
    • F04D19/02F04D29/52F04D29/64
    • F04D25/166F04D19/007F04D29/601F04D29/646
    • A housing assembly for a fan unit includes an upper housing having a lower engaging portion adjacent to its lower end surface and a lower housing having an upper engaging portion adjacent to its upper end surface. When one of the upper and lower housings rotates relative to the other about a center axis of the housings in a first direction with the opposing end surfaces of the housings in axial contact, the lower and upper engaging portions engage with each other. While the lower and upper engaging portions are in engagement, one of the lower and upper engaging portions presses the other in both axial directions to cause elastic axial deformation of the other; and one of the lower and upper engaging portions presses the other toward both the first direction and a second direction opposite thereto to cause elastic circumferential deformation of the other.
    • 用于风扇单元的壳体组件包括具有与其下端表面相邻的下接合部分的上壳体和具有与其上端表面相邻的上接合部分的下壳体。 当上壳体和下壳体中的一个在第一方向上围绕壳体的中心轴线相对于另一壳体相对于另一壳体旋转时,壳体的相对端面被轴向接触,下部和上部接合部分彼此接合。 在下卡合部和上卡合部卡合的同时,下卡合部和上卡合部中的一个在两轴方向上按压另一方,从而使另一方的弹性轴向变形; 下接合部和上接合部中的一个将第一方向和与其相反的第二方向按压另一方,从而引起另一方的弹性周向变形。