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    • 2. 发明公开
    • NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME
    • SEKUNDÄRBATTERIEMIT WASSERFREIEM ELEKTROLYT UND VERFAHREN ZUR HERSTELLUNG DAVON
    • EP2919306A1
    • 2015-09-16
    • EP13866580.7
    • 2013-12-24
    • Nitto Denko Corporation
    • TAKE, HiroyoshiMIZUIKE, AtsukoMATSUURA, AimiABE, Masao
    • H01M4/60H01M4/137H01M4/62H01M10/052H01M10/0566H01M10/0585
    • H01M4/137H01M4/136H01M4/5825H01M4/608H01M4/624H01M10/0525H01M2004/028Y10T29/49117
    • A nonaqueous electrolyte secondary battery is provided, which includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and negative electrode, and an electrolyte solution containing a supporting salt having ion conductivity, wherein the positive electrode comprises a composition containing components (a) and (b) below and satisfying a requirement (α) below, and wherein the negative electrode contains metal lithium and at least one selected from materials capable of lithium ion insertion/desorption:
      (a) an electrically conductive polymer;
      (b) a lithium salt formed by substituting a part of a polyanionic acid with lithium; and
      (α) a molar ratio of a lithium element content in the component (b) to a content of an element involved in a charge/discharge reaction in the component (a) is 0.1 to 1.0. Consequently, the nonaqueous electrolyte secondary battery has an excellent weight energy density and can reduce dependency on electrolyte solution amount.
    • 提供了一种非水电解质二次电池,其包括正极,负极,设置在正极和负极之间的隔板以及含有具有离子传导性的支撑盐的电解质溶液,其中所述正极包括含有组分的组合物 (a)和(b),满足以下要求(±),其中负极含有金属锂和选自能够进行锂离子插入/解吸的材料中的至少一种:(a)导电聚合物; (b)用锂取代一部分聚阴离子形成的锂盐; 和(±)组分(b)中的锂元素含量与组分(a)中充电/放电反应相关的元素的含量的摩尔比为0.1至1.0。 因此,非水电解质二次电池具有优异的重量能量密度,并且可以降低对电解质溶液量的依赖性。
    • 5. 发明公开
    • SPIRAL MEMBRANE ELEMENT
    • 螺旋膜元件
    • EP3199225A1
    • 2017-08-02
    • EP15843980.2
    • 2015-09-24
    • Nitto Denko Corporation
    • YAMAGUCHI, TaisukeMIZUIKE, AtsukoECHIZEN, MasashiMATSUI, Kazusa
    • B01D63/10B01D63/00B01D69/10
    • B01D63/10B01D63/103B01D69/10B01D2313/146B01D2325/04
    • The purpose of the present invention is to provide a spiral membrane element in which the effective membrane area of a composite semi-permeable membrane can be increased and any decrease in rejection rate due to deformation of the composite semi-permeable membrane is less likely to occur. The spiral membrane element is provided with: a laminate including a permeation-side flow path material 3, a supply-side flow path material 6, and a composite semi-permeable membrane 2 having a separation function layer on a surface of a porous support; a perforated central tube 5 around which the laminate is wound; and a sealing member 21 for preventing mixing between the supply-side flow path and a permeation-side flow path, the spiral membrane element being characterized in that the thickness of the porous support of the composite semi-permeable membrane 2 is 80 µm to 100 µm, the permeation-side flow path material 3 is formed from a tricot knit fabric, and the width of a groove that continues in a straight line is 0.05 mm to 0.40 mm.
    • 本发明的目的是提供一种螺旋膜元件,其中复合半透膜的有效膜面积可以增加,并且由于复合半透膜的变形而导致的截留率的任何降低都不太可能发生 。 螺旋膜元件具备:在多孔质支撑体的表面具有渗透侧流路材料3,供给侧流路材料6和具有分离功能层的复合半透膜2的层叠体, 围绕其层叠的穿孔中心管5; 以及防止供给侧流路与透过侧流路混合的密封构件21,其特征在于,复合半透膜2的多孔质支撑体的厚度为80μm〜100μm μm,渗透侧流路件3由特里科经编针织物形成,并且沿直线连续的槽的宽度为0.05mm至0.40mm。