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公开(公告)号：US20190006674A1
公开(公告)日：2019-01-03
申请号：US15781666
申请日：2016-12-05
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi SASAKI , Tomonori KAKO , Shota ITO , Ryosuke SHIMOKAWA
Abstract: An energy storage device having sufficient energy density and sufficient power is provided. In this embodiment, an energy storage device that includes a negative electrode containing an active material layer including an active material is provided. The active material layer includes particulate graphite as the active material. A particle diameter frequency distribution of the graphite includes a first peak and a second peak which appears in a region where a particle diameter is larger than a particle diameter of the first peak, the particle diameter of the first peak is equal to or less than 10 μm and the particle diameter of the second peak is more than 10 μm. The active material layer further includes a particulate high hardness active material which has higher hardness than the graphite.
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公开(公告)号：US20160276702A1
公开(公告)日：2016-09-22
申请号：US15068915
申请日：2016-03-14
Applicant: GS Yuasa International Ltd.
Inventor： Kenta NAKAI , Tomonori KAKO , Akihiko MIYAZAKI , Sumio MORI
Abstract: An energy storage device includes: an electrode assembly which includes: an approximately rectangular positive electrode; an approximately rectangular negative electrode which is stacked alternately with the positive electrode; and a strip-like elongated separator having a base material layer and an inorganic layer which is made to overlap with the first base material layer, wherein the elongated separator is arranged between the positive electrode and the negative electrode, and the base material layer of the elongated separator faces the negative electrode in an opposed manner between the positive electrode and the negative electrode.
Abstract translation: 能量存储装置包括：电极组件，其包括：近似矩形的正极; 与正极交替堆叠的近似矩形的负极; 以及具有基材层和与第一基材层重叠的无机层的条状细长隔板，其中，所述细长隔板布置在所述正极和所述负极之间，并且所述基材层 细长隔板在正极和负极之间以相对的方式面对负极。
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13.发明申请公开(公告)号：US20160093860A1
公开(公告)日：2016-03-31
申请号：US14863927
申请日：2015-09-24
Applicant: GS Yuasa International Ltd.
Inventor： Akihiko MIYAZAKI , Sumio MORI , Tomonori KAKO
CPC classification number: H01M2/1686 , H01M2/145 , H01M4/133 , H01M4/587 , H01M10/0525 , H01M10/058 , Y02T10/7011
Abstract: An energy storage device includes a positive electrode provided with a positive composite layer containing a positive active material, a negative electrode provided with a negative composite layer containing a negative active material, and a separator partitioning between the positive electrode and the negative electrode, wherein the separator includes a substrate uniaxially drawn into a sheet shape and a coating layer coating at least one of surfaces of the substrate, and the coating layer has an anisotropic structure with orientation in a direction different from a drawing direction of the substrate.
Abstract translation: 储能装置包括：正极，其具有含有正极活性物质的正性复合层，负极具有含有负极活性物质的负极复合层，以及在正极和负极之间形成隔板; 分离器包括单轴拉伸成片状的基板和涂覆基板的至少一个表面的涂层，并且涂层具有沿与基板的拉伸方向不同的方向的取向的各向异性结构。
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公开(公告)号：US20140370393A1
公开(公告)日：2014-12-18
申请号：US14306048
申请日：2014-06-16
Applicant: GS Yuasa International Ltd.
Inventor： Kenta Nakai , Akihiko MIYAZAKI , Tomonori KAKO , Sumio MORI
CPC classification number: H01G11/26 , H01G11/06 , H01G11/32 , H01M4/13 , H01M4/133 , H01M4/587 , H01M4/64 , H01M4/70 , H01M10/052 , H01M10/0525 , H01M10/425 , H01M2004/021 , H01M2220/20 , Y02E60/122
Abstract: Provided is an energy storage device provided with a negative electrode including a negative substrate having a surface, and a negative composite layer formed on the surface of the negative substrate and including a negative active material; a positive electrode including a positive substrate, and a positive composite layer formed on the positive substrate and including a positive active material; and a separator placed between the positive electrode and the negative electrode. 10% cumulative diameter D10 in the particle size distribution of the negative active material on a volume basis is 1.3 μm or more, and 90% cumulative diameter D90 in the particle size distribution of the negative active material on a volume basis is 8.9 μm or less. The surface of the negative substrate has a center line roughness Ra of 0.205 μm or more and 0.781 μm or less, and has a center line roughness Ra to a ten-point mean height Rz of 0.072 or more and 0.100 or less.
Abstract translation: 本发明提供一种能量存储装置，其具备包括具有表面的负极基板的负极和在负极基板的表面上形成有负极活性物质的负极复合层， 包括正极基板的正极和在正极基板上形成并包含正极活性材料的正极复合层; 以及设置在正极和负极之间的隔膜。 负极活性物质的体积基准粒径分布中的10％累积粒径D10为1.3μm以上，负极活性物质的体积基准粒径分布的90％累积粒径D90为8.9μm以下 。 负极基板的表面的中心线粗糙度Ra为0.205μm以上且0.781μm以下，中心线粗糙度Ra为十点平均高度Rz为0.072以上且0.100以下。
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公开(公告)号：US20210296645A1
公开(公告)日：2021-09-23
申请号：US17258354
申请日：2019-07-18
Applicant: GS Yuasa International Ltd.
Inventor： Tomonori KAKO , Masashi TAKANO , Kenta UEHIRA
IPC: H01M4/525 , H01M10/0569 , H01M4/583 , H01M10/48
Abstract: An aspect of the present invention is a nonaqueous electrolyte energy storage device including: a positive electrode having a positive composite layer including a positive active material; a negative electrode having a negative composite layer including a negative active material; and a nonaqueous electrolyte including a nonaqueous solvent, in which the positive active material includes a lithium-transition metal composite oxide that contains nickel as a transition metal and has a layered α-NaFeO2-type crystal structure, a ratio (N/P) between mass (N) per unit area of the negative active material and mass (P) per unit area of the positive active material is 0.30 or more and 0.45 or less, the nonaqueous solvent contains PC, DEC, and EMC, a content of the PC in the nonaqueous solvent is 25% by volume or more and 55% by volume or less, a total content of the DEC and the EMC in the nonaqueous solvent is 45% by volume or more and 75% by volume or less, and a content of the DEC is equal to or higher than the content of the EMC.
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Patent Agency Ranking
公开(公告)号：US20160064775A1
公开(公告)日：2016-03-03
申请号：US14833558
申请日：2015-08-24
Applicant: GS Yuasa International Ltd.
Inventor： Tomonori KAKO , Sumio MORI , Akihiko MIYAZAKI , Kenta NAKAI
IPC: H01M10/0567 , H01M10/0525 , H01M4/505 , H01M4/587 , H01M4/525
CPC classification number: H01M10/0567 , C01P2004/60 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0568 , H01M2300/004
Abstract: Provided is an energy storage device including an electrolyte solution including a compound represented by the general formula (1), a compound represented by the general formula (2), and a compound represented by the general formula (3):
Abstract translation: 本发明提供一种储能装置，其特征在于，具备包含通式（1）表示的化合物，通式（2）表示的化合物和通式（3）表示的化合物的电解质溶液：
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公开(公告)号：US20150349326A1
公开(公告)日：2015-12-03
申请号：US14722659
申请日：2015-05-27
Applicant: GS Yuasa International Ltd.
Inventor： Akihiko MIYAZAKI , Sumio MORI , Tomonori KAKO , Kenta NAKAI
IPC: H01M4/131 , H01M10/0525 , H01M4/485 , H01M4/525 , H01M4/505
CPC classification number: H01M2/1653 , H01M2/166 , H01M2/1686 , H01M4/131 , H01M4/133 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/587 , H01M4/622 , H01M10/0525 , H01M2004/028 , Y02T10/7011
Abstract: An energy storage device comprising: a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, a nonaqueous electrolyte, and an insulating layer disposed between the positive electrode and the separator, wherein the positive electrode contains a compound represented by LiaNibCocMdWxNbyZrzO2 (provided that a, b, c, d, x, y and z satisfy the equations of 0≦a≦1.2, 0≦b≦1, 0.1≦c≦0.4, 0≦d≦0.5, 0≦x≦0.1, 0≦y≦0.1, 0≦z≦0.1 and b+c+d=1, and M denotes at least one kind of element selected from the group consisting of Mn, Ti, Cr, Fe, Co, Cu, Zn, Al, Ge, Sn and Mg) as a positive active material and the negative electrode contains hardly graphitizable carbon with a D50 particle diameter greater than or equal to 1.0 μm and less than or equal to 6.0 μm as a negative active material.
Abstract translation: 1.一种储能装置，其特征在于，具备：正极，负极，设置在所述正极和负极之间的隔膜，非水电解质和设置在所述正极和所述隔板之间的绝缘层，其中所述正极含有化合物 表示为LiaNibCocMdWxNbyZrzO2（条件是a，b，c，d，x，y和z满足0＆nlE; a＆nlE; 1.2,0＆nlE; b＆nlE; 1,0.1＆nlE; c＆nlE; 0.4,0和nlE; d＆nlE; 0.5,0＆ x和nlE; 0.1,0＆nlE; y＆nlE; 0.1,0＆amp; nlE; z＆nlE; 0.1和b + c + d = 1，M表示选自Mn，Ti，Cr，Fe，Co，Cu中的至少一种元素 ，Zn，Al，Ge，Sn和Mg）作为正极活性物质，负极含有D50粒径大于或等于1.0μm且小于等于6.0μm的难成石墨化碳作为负极活性物质。
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18.发明申请ENERGY STORAGE DEVICE, ENERGY STORAGE APPARATUS, VEHICLE, AND METHOD FOR USING ENERGY STORAGE DEVICE 有权能源储存装置，能源储存装置，车辆及使用能源储存装置的方法公开(公告)号：US20150340677A1
公开(公告)日：2015-11-26
申请号：US14719886
申请日：2015-05-22
Applicant: GS Yuasa International Ltd.
Inventor： Akihiko MIYAZAKI , Sumio MORI , Tomonori KAKO , Kenta NAKAI
CPC classification number: H01M2/1673 , H01M2/166 , H01M2/1686 , H01M2/206 , H01M4/133 , H01M4/583 , H01M4/587 , H01M10/0525 , H01M10/44 , H01M2004/027 , H01M2010/4292 , H02J7/007 , Y02E60/122 , Y02T10/7011
Abstract: An energy storage device comprises a positive electrode, a negative electrode, a separator arranged between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The negative electrode has a negative substrate layer, and a negative composite layer arranged on the surface of the negative substrate layer. The separator has a separator substrate layer. The negative composite layer contains a non-graphitizable carbon having a particle diameter D50 of 2.0 μm or more and 6.0 μm or less. A corrected negative electrode density, which is defined as a value obtained by dividing, by a thickness of the separator substrate layer, a value obtained by multiplying a density of the negative composite layer by a thickness of the negative composite layer, is 1.2 (g/cm3) or more and 5.1 (g/cm3) or less.
Abstract translation: 能量存储装置包括正极，负极，配置在正极和负极之间的隔膜和非水电解质。 负极具有负的基板层，负极复合层配置在负极基板的表面上。 分离器具有隔板基底层。 负极复合层含有粒径D50为2.0μm以上6.0μm以下的不可石墨化碳。 定义为通过将隔离层基板层的厚度除以通过将负极复合层的密度乘以负极复合层的厚度获得的值而得到的值的校正负极密度为1.2（g / cm3）以上且5.1（g / cm3）以下。
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公开(公告)号：US20150140382A1
公开(公告)日：2015-05-21
申请号：US14532110
申请日：2014-11-04
Applicant: GS Yuasa International Ltd.
Inventor： Tomonori KAKO , Takeshi Sasaki
CPC classification number: H01M10/0431 , H01M2/0217 , H01M2002/0297
Abstract: An electric storage device includes an electrode assembly including a winding core and electrodes, and a case. The case and the winding core each have a rigidity satisfying 0.01≦P2/P1≦100, where P2/P1 is a ratio of a first pressure P1 applied to a first part as a specific part of the case by an indenter when the first part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrode assembly is not housed in the case, and a second pressure P2 applied to a second part as a part of the winding core facing the first part by the indenter when the second part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrodes are not wound.
Abstract translation: 蓄电装置包括：电极组件，包括绕组芯和电极;壳体。 壳体和卷芯各自具有满足0.01＆nlE; P2 / P1＆nlE; 100的刚性，其中P2 / P1是施加到第一部分的第一压力P1的比例，作为第一部分的特定部分，当第一 部分被压头按压，以便在电极组件不被容纳在壳体中的状态下离开初始位置1mm，并且施加到第二部分的第二压力P2作为卷绕芯的一部分面向 当第二部分被压头按压以在电极未被卷绕的状态下从初始位置1mm移位时，第一部分由压头施加。
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公开(公告)号：US20230006188A1
公开(公告)日：2023-01-05
申请号：US17784562
申请日：2020-12-15
Applicant: GS YUASA INTERNATIONAL LTD.
Inventor： Ukyo HARINAGA , Masashi TAKANO , Kenta UEHIRA , Tomonori KAKO
IPC: H01M4/133 , H01M4/66 , H01M4/587 , H01M10/0525 , H01M10/0587 , H01G11/32
Abstract: An energy storage device according to an aspect of the present invention includes: a negative electrode including a negative substrate made of pure aluminum or an aluminum alloy, a conductive layer directly or indirectly layered on the negative substrate and containing a conductive agent, and a negative active material layer containing a negative active material capable of occluding lithium ions at a potential of 0.05 V vs. Li/Li+ or lower; and a positive electrode opposed to the negative electrode and including a positive substrate and a positive active material layer directly or indirectly layered on the positive substrate, and the negative active material layer is layered on the negative substrate and the conductive layer so as to include a region in contact with the negative substrate and a region in contact with the conductive layer.
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