NONAQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT
    1.
    发明公开
    NONAQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT 审中-公开
    非水锂电蓄电元件

    公开(公告)号:EP3168849A1

    公开(公告)日:2017-05-17

    申请号:EP15818609.8

    申请日:2015-07-08

    摘要: A non-aqueous lithium-type power storage element obtained by a non-aqueous liquid electrolyte and an electrode laminate having a negative electrode body, a positive electrode body, and a separator being accommodated in an exterior body, wherein: the negative electrode body contains a negative electrode current collector and a negative electrode active material including a carbon material capable of occluding and releasing lithium ions; the negative electrode active material is selected from composite porous materials in which a carbonaceous material is caused to adhere to activated carbon and composite porous materials in which a carbonaceous material is caused to adhere to carbon black, and is doped with lithium ions at 530-2500 mAh/g per unit weight of the composite porous material; the non-aqueous electrolytic solution contains 0.5 mol/L or more of a lithium salt; and an extract obtained by extracting a negative electrode active material layer using water contains (a)SO 3 2- ions and/or (b)SO 4 2- ions in a range of 3.0 × 10 -8 to 5.0 × 10 -6 mol/m 2 per unit surface area of the negative electrode active material layer.

    摘要翻译: 一种由非水电解液和电极层叠体构成的非水系锂系蓄电元件,其特征在于,在外装体内收纳负极体,正极体和隔板,所述负极体含有 负极集电体和包含能够吸藏和释放锂离子的碳材料的负极活性材料; 负极活性材料选自其中使含碳材料粘附到活性炭的复合多孔材料和其中使碳质材料粘附到炭黑并在530-2500下掺杂锂离子的复合多孔材料 单位重量的复合多孔材料的mAh / g; 非水电解液含有0.5mol / L以上的锂盐; 使用水提取负极活性物质层而得到的提取物含有每单位3.0×10 -8〜5.0×10 -6 mol / m 2的(a)SO 32 - 离子和/或(b)SO 4 2-离子 负极活性物质层的表面积。

    LITHIUM ION CAPACITOR
    2.
    发明公开
    LITHIUM ION CAPACITOR 审中-公开
    锂离子电容器

    公开(公告)号:EP2950319A1

    公开(公告)日:2015-12-02

    申请号:EP14743981.4

    申请日:2014-01-21

    IPC分类号: H01G11/52 H01G11/24

    摘要: Provided is a lithium ion capacitor that is capable, during internal short circuiting, of suppressing an increase in capacitor temperature and controlling the onset of gasification, smoking and ignition, and of having preferably both low resistance (i.e., high output density) and high cycle characteristics. The lithium ion capacitor comprises an electrode laminated body stored in a casing together with a non-aqueous electrolytic solution containing a lithium ion-containing electrolyte; wherein the electrode laminated body is laminated so that a negative electrode collector having a negative electrode active material comprised of a carbon material, and a positive electrode body having a positive electrode active material face each other through a laminated separator where a polyolefin porous membrane and an insulating porous membrane are laminated; and characterized in that the insulating porous membrane is in contact with the negative electrode body.

    摘要翻译: 提供一种锂离子电容器,其在内部短路期间能够抑制电容器温度的增加并且控制气化,吸烟和点火的开始,并且优选具有低电阻(即,高输出密度)和高循环 特点。 锂离子电容器包括与含有含锂离子电解质的非水电解液一起存储在壳体中的电极层叠体, 其中,所述电极层叠体被层叠成使得具有由碳材料构成的负极活性材料的负极集电体和具有正极活性材料的正极体通过层压隔板彼此面对,其中聚烯烃多孔膜和 绝缘多孔膜被层压; 并且其特征在于绝缘多孔膜与负电极体接触。

    HIGH-STRENGTH SEPARATOR
    3.
    发明公开

    公开(公告)号:EP3859822A1

    公开(公告)日:2021-08-04

    申请号:EP19867650.4

    申请日:2019-09-25

    IPC分类号: H01M2/16 H01G11/52 H01M8/18

    摘要: A separator for an electricity storage device has a cross-sectional crystal orientation of 0.85 or greater, and/or a method for producing the separator for an electricity storage device comprises a step of using a continuous mixer under conditions with a temperature of 20°C to 70°C, a shear rate of 100 to 400,000 seconds -1 and a residence time of 1.0 seconds to 60 seconds, for mixing of polyethylene-containing polyolefin powder with a plasticizer to produce a mixed slurry, a step of extruding the mixed slurry and cooling it to solidification to process it into a cast sheet, and a step of biaxially stretching the cast sheet to an area increase factor of 20 to 200.

    NON-AQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT
    4.
    发明公开
    NON-AQUEOUS LITHIUM-TYPE POWER STORAGE ELEMENT 审中-公开
    WASSERFREIES ENERGIESPEERERELEMENT VOM LITHIUMTYP

    公开(公告)号:EP3073499A1

    公开(公告)日:2016-09-28

    申请号:EP14863682.2

    申请日:2014-11-18

    摘要: A non-aqueous lithium-type power storage element comprising an electrode laminate body and a non-aqueous electrolyte being housed in an external body, the electrode laminate body having a negative electrode body, a positive electrode body and a separator. The negative electrode body has a negative current collector and a negative electrode active material layer that includes a negative electrode active material and that is provided to one or both surfaces of the negative current collector. The negative electrode active material includes a carbon material that can occlude and release lithium ions. The positive electrode body has a positive current collector and a positive electrode active material layer that includes a positive electrode active material and that is provided to one or both surfaces of the positive current collector. The positive electrode active material includes activated carbon. The non-aqueous electrolyte contains, based on the total amount of the non-aqueous electrolyte, 0.5 mol/L or more of a lithium salt, and the negative electrode active material layer includes, per unit weight of the negative electrode active material, 2.6 x 10-6-2, 000 x 10 -6 mol/g of a specific sulfur compound.

    摘要翻译: 一种非水电解锂型蓄电元件,其特征在于,包括电极层叠体和非水电解质,其被容纳在外部体内,所述电极层叠体具有负极体,正极体和隔膜。 负极体具有负极集电体和负极活性物质层,该负极活性物质层包含负极活性物质,设置在负极集电体的一面或两面。 负极活性物质包括可以吸留和释放锂离子的碳材料。 正极体具有正极集电体和正极活性物质层,正极活性物质层包含正极活性物质,并且设置在正极集电体的一个或两个表面。 正极活性物质包括活性炭。 非水电解质含有基于非水电解质的总量为0.5mol / L以上的锂盐,负极活性物质层的单位重量为负极活性物质的2.6重量% x 10-6-2,000×10 -6 mol / g特定的硫化合物。

    LITHIUM ION CAPACITOR
    8.
    发明公开
    LITHIUM ION CAPACITOR 审中-公开
    锂离子电容器

    公开(公告)号:EP2899730A1

    公开(公告)日:2015-07-29

    申请号:EP13839901.9

    申请日:2013-09-18

    IPC分类号: H01G11/52 H01G11/06

    摘要: Provided is a lithium ion capacitor that is safe and has a high energy density and a high output.
    Specifically provided is a lithium ion capacitor comprising, accommodated within an outer casing: an electrode stack obtained by stacking a negative electrode in which a negative-electrode active material layer including a carbon material as the negative-electrode active material is disposed on a negative-electrode collector, a separator comprising a polyethylene-containing polyolefin resin, and a positive electrode in which a positive-electrode active material layer including a positive-electrode active material layer comprising a carbon material or a carbonaceous material is disposed on a positive-electrode collector; and a non-aqueous electrolyte solution including a a lithium ion-containing electrolyte. The lithium ion capacitor is characterized in that the thermal contraction/expansion rate of the separator falls within a prescribed range, the surface area of the separator is greater than the surface area of the positive-electrode active material layer of the positive electrode or the surface area of the negative-electrode active material layer of the negative electrode, and the length of a section where the electrode surface and the separator do not overlap has a prescribed relationship to the size of the separator.

    摘要翻译: 提供一种安全且具有高能量密度和高输出的锂离子电容器。 具体而言,提供一种锂离子电容器,其特征在于,在外装壳体内收容有:将在负极活性物质层上配置有包含碳材料的负极活性物质层作为负极活性物质的负极层叠而成的电极层叠体, 电极集电体,包含含聚乙烯的聚烯烃树脂的隔板以及正极,其中包含含有碳材料或含碳材料的正极活性材料层的正极活性材料层设置在正极集电体 ; 和包含含锂离子电解质的非水电解质溶液。 锂离子电容器的特征在于,隔板的热收缩/膨胀率落入规定范围内,隔板的表面积大于正极或正极的正极活性物质层的表面积 负极的负极活性物质层的面积以及电极面与隔膜不重叠的部分的长度与隔膜的大小具有规定的关系。