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公开(公告)号：US20160285134A1
公开(公告)日：2016-09-29
申请号：US15078961
申请日：2016-03-23
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi SASAKI , Hirokazu KAMBAYASHI , Kazuto MAEDA
IPC: H01M10/0587 , H01M4/70 , H01M4/66
CPC classification number: H01M4/661 , H01M2/26 , H01M4/66 , H01M4/70 , H01M10/0431 , H01M10/0567
Abstract: Provided is an energy storage device which includes: an electrode assembly including a positive electrode and a negative electrode respectively including a non-coated region having a metal foil; current collectors each having a support portion which is made to overlap with the non-coated region; and opposedly facing supports each configured to clamp the non-coated region cooperatively with the support portion, wherein at least one of the non-coated region, the support portion and the opposedly facing support includes a conductive layer having non-oxidizing property or hardly-oxidizable property, the conductive layer covering at least one surface out of a surface of the non-coated region facing the support portion, a surface of the non-coated region facing the opposedly facing support, a surface of the support portion facing the non-coated region, and a surface of the opposedly facing support facing the non-coated region.
Abstract translation: 提供一种能量存储装置，其包括：电极组件，其包括分别包括具有金属箔的未涂覆区域的正极和负极; 每个集尘器具有与未涂覆区域重叠的支撑部分; 并且相对地支撑各自配置成与所述支撑部分协作地夹持所述未涂覆区域的支撑件，其中所述未涂覆区域，所述支撑部分和所述相对面对的支撑件中的至少一个包括具有非氧化性质的导电层， 所述导电层覆盖面向所述支撑部分的未涂覆区域的表面中的至少一个表面，所述未涂覆区域的面向相对面对的支撑件的表面，所述支撑部分的面向所述非涂覆区域的表面， 并且面向非涂覆区域的相对面对的支撑件的表面。
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公开(公告)号：US20160172646A1
公开(公告)日：2016-06-16
申请号：US14954729
申请日：2015-11-30
Applicant: GS Yuasa International Ltd.
Inventor： Taro YAMAFUKU , Takeshi SASAKI
CPC classification number: H01M2/18 , H01M2/1077 , H01M10/0431
Abstract: An energy storage apparatus includes: an energy storage device including a flat electrode assembly in which electrodes are layered and a prismatic case in which the electrode assembly is housed; and a spacer arranged adjacently to the energy storage device in a first direction, wherein the spacer is formed such that a thickness size in the first direction of a center portion of the spacer in a second direction, which is a direction orthogonal to the first direction and is a direction parallel to a surface of the spacer that faces the energy storage device, is set larger than a thickness size in the first direction of other portions of the spacer arranged adjacently to the center portion of the spacer in the second direction, and a width of the center portion of the spacer in a third direction orthogonal to the first and second directions at a contact portion of the spacer with the energy storage device is set smaller than a width of the case in the third direction.
Abstract translation: 一种能量存储装置，包括：能量存储装置，其包括电极层叠的扁平电极组件和容纳所述电极组件的方形壳体; 以及间隔件，其在第一方向上与所述能量存储装置相邻配置，其中所述间隔件形成为使得所述间隔件的中心部分的第一方向上的厚度尺寸沿与第一方向正交的方向的第二方向 并且是平行于所述间隔件的面向所述能量存储装置的表面的方向，被设定为大于在所述间隔件的与所述间隔件的第二方向的中心部相邻配置的其他部分的第一方向上的厚度尺寸，以及 在间隔件与能量存储装置的接触部分处，在与第一和第二方向正交的第三方向上的间隔件的中心部分的宽度被设定为小于第三方向上的壳体的宽度。
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公开(公告)号：US20150147624A1
公开(公告)日：2015-05-28
申请号：US14535147
申请日：2014-11-06
Applicant: GS Yuasa International Ltd.
Inventor： Taro YAMAFUKU , Kazuki KAWAGUCHI , Akihiko MIYAZAKI , Takeshi SASAKI
CPC classification number: H01G11/26 , H01G11/38 , H01M2/204 , H01M2/206 , H01M4/13 , H01M4/133 , H01M4/366 , H01M4/587 , H01M4/622 , H01M4/625 , H01M4/667 , H01M10/0525 , H01M10/0585 , Y10T29/49115
Abstract: There is provided an energy storage device including an electrode assembly having a pair of electrodes overlapped with each other. At least one of the electrodes includes a current collecting substrate, an active material layer arranged on the current collecting substrate, an intermediate layer arranged between the current collecting substrate and the active material layer, and an insulating layer arranged on the current collecting substrate. The active material layer contains an active material and a first binder. The intermediate layer contains a carbonaceous material and a second binder. The insulating layer contains an insulating material and a third binder. The second binder is a nonaqueous binder. The third binder is an aqueous binder.
Abstract translation: 提供了一种能量存储装置，其包括具有彼此重叠的一对电极的电极组件。 电极中的至少一个包括集电衬底，布置在集电衬底上的活性材料层，布置在集电衬底和活性材料层之间的中间层以及布置在集电衬底上的绝缘层。 活性物质层含有活性物质和第一粘合剂。 中间层含有碳质材料和第二粘合剂。 绝缘层包含绝缘材料和第三粘合剂。 第二粘合剂是非水性粘合剂。 第三粘合剂是水性粘合剂。
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4.发明申请公开(公告)号：US20140197796A1
公开(公告)日：2014-07-17
申请号：US14152948
申请日：2014-01-10
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi SASAKI , Taro YAMAFUKU
IPC: H01M10/0587 , H01M10/04 , H02J7/00 , H01M10/0525
CPC classification number: H01M10/0587 , H01M2/0217 , H01M2/263 , H01M2/30 , H01M10/0431 , H01M10/049 , H01M10/0525 , H02J7/0068 , Y10T29/49108
Abstract: An electric storage device includes: a rolled electrode assembly 10 formed by winding a positive electrode, a negative electrode, and a separator so as to have curved portions and linear portions; current collectors 7; and an electrolyte solution 3. A positive electrode substrate has at one end 10A an unformed portion 11E formed without a positive electrode mixture layer, and a negative electrode substrate has at the other end 10B an unformed portion 13E formed without a negative electrode mixture layer. The current collectors 7 are connected respectively to at least part of the linear portions in the unformed portion of the positive electrode at the one end 10A and that of the negative electrode at the other end 10B. The one end 10A in the positive electrode has a length greater than the winding length, and/or the other end 10B in the negative electrode has such a length.
Abstract translation: 蓄电装置包括：卷绕电极组件10，其通过卷绕正电极，负电极和隔膜以形成弯曲部分和直线部分; 集电器7; 和电解质溶液3.正极基板的一端10A具有未形成正极合剂层的未成形部11E，在另一端10B具有未形成负极混合层的未成形部13E。 集电器7分别连接到正极的未形成部分的至少一部分的一端10A处，另一端10B处的负极的直线部分的至少一部分连接。 正极中的一端10A具有大于卷绕长度的长度，和/或负极中的另一端10B具有这样的长度。
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公开(公告)号：US20230317957A1
公开(公告)日：2023-10-05
申请号：US18022661
申请日：2021-08-23
Applicant: GS Yuasa International Ltd.
Inventor： Norio YAMATANI , Morito TANABE , Takeshi SASAKI
IPC: H01M4/62 , H01M50/538 , H01M4/587
CPC classification number: H01M4/625 , H01M50/538 , H01M4/587 , H01M2004/027
Abstract: One aspect of the present invention is an energy storage device satisfying the following formula 1, in which a flat electrode assembly obtained by winding a positive electrode and a negative electrode with a separator interposed therebetween and having two curved surface portions facing each other, and a case that houses the electrode assembly, and at least one of the positive electrode and the negative electrode includes an active material layer containing active material particles and a fibrous conductive agent. In the formula 1, X is a distance from a distal end of one of the curved surface portions to the inner surface of the case facing the distal end of the curved surface portion as viewed in the winding axis direction of the electrode assembly. R is a length of a periphery of the one curved surface portion as viewed in the winding axis direction of the electrode assembly. D is an average particle size D50 of the active material particles. A is a surface roughness Ra of the active material layer.
(R/D)A≥2X 1-
Patent Agency Ranking
公开(公告)号：US20160049685A1
公开(公告)日：2016-02-18
申请号：US14824369
申请日：2015-08-12
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi SASAKI , Taro YAMAFUKU , Masaki MASUDA
IPC: H01M10/04 , H01M10/0525 , H01M4/583
CPC classification number: H01M10/0431 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0525
Abstract: An energy storage device includes: a flattened electrode assembly formed by winding electrodes such that a hollow portion is formed, the electrode assembly including a pair of curved portions opposed manner in a major axis direction and a pair of flat portions opposed in a minor axis direction; and a case storing the electrode assembly therein, wherein assuming a thickness of the flat portion in the minor axis direction as A, a thickness of the curved portion in a radial direction as B, and a thickness of the hollow portion in the minor axis direction as W, the electrode assembly satisfies A+(W/2)≦B in a state where the electrode assembly is discharged.
Abstract translation: 能量储存装置包括：扁平电极组件，其通过缠绕电极形成，使得形成中空部分，所述电极组件包括在长轴方向上相对的一对弯曲部分和在短轴方向上相对的一对平坦部分 ; 以及将电极组件保存在其中的壳体，其中假设短轴方向上的平坦部分的厚度为A，弯曲部分的径向厚度为B，中空部分在短轴方向上的厚度 作为W，在电极组件排出的状态下，电极组件满足A +（W / 2）＆lt; 1E; B。
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公开(公告)号：US20150340726A1
公开(公告)日：2015-11-26
申请号：US14716687
申请日：2015-05-19
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi SASAKI
IPC: H01M10/04
CPC classification number: H01M10/0431 , H01M2/263 , H01M4/70 , H01M10/0525 , H01M10/0587 , H01M2004/025
Abstract: An energy storage device comprising: an electrode assembly that includes a sheet-like first electrode and a sheet-like second electrode, the first electrode and the second electrode being alternately layered, wherein each of the first electrode and the second electrode includes a sheet-like current collecting substrate, the current collecting substrate of the first electrode is bent toward one side in a layered direction in at least a part of an end portion of the first electrode, the electrode assembly includes an extension portion formed in such a manner that the current collecting substrate of the second electrode extends outward more than the end portion of the first electrode, the extension portion includes a bundle portion formed by bundling the current collecting substrate at a leading end side in an extending direction of the extension portion, and a central position in the layered direction of the bundle portion is shifted from a center in the layered direction of the extension portion toward the one side in the layered direction.
Abstract translation: 一种能量存储装置，包括：电极组件，其包括片状第一电极和片状第二电极，所述第一电极和所述第二电极交替层叠，其中所述第一电极和所述第二电极中的每一个包括片状第一电极， 第一电极的集电衬底在第一电极的端部的至少一部分中沿着层叠方向朝向一侧弯曲，电极组件包括延伸部，该延伸部以如下方式形成： 第二电极的集电衬底比第一电极的端部向外延伸，延伸部包括通过在延伸部的延伸方向的前端侧捆扎集电衬底而形成的束部，以及中心 束部的分层方向的位置从伸展的分层方向的中心偏移 n部分朝着分层方向的一侧。
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公开(公告)号：US20170207494A1
公开(公告)日：2017-07-20
申请号：US15408474
申请日：2017-01-18
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi SASAKI
IPC: H01M10/42 , H01M10/0587 , H01G11/22 , H01M10/0525
Abstract: Provided is a negative electrode plate in an electrode assembly of an energy storage device. The negative electrode plate includes: a negative base material layer; and negative active material layers formed on the negative base material layer in a state where the negative active material layers are exposed partially or wholly, wherein a peripheral edge portion of the negative electrode plate includes: a layer-non-formed portion that is disposed on a first side of the negative electrode plate, which is connected to a negative electrode current collector of the energy storage device and on which the negative active material layers are not formed; and a layer-non-exposed portion that is disposed on a second side of the negative electrode plate, which differs from the first side and on which the negative active material layers are not exposed.
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9.发明申请公开(公告)号：US20170346049A1
公开(公告)日：2017-11-30
申请号：US15609432
申请日：2017-05-31
Applicant: GS Yuasa International Ltd.
Inventor： Takeshi SASAKI
CPC classification number: H01M2/10 , B23K11/002 , B23K11/185 , B23K20/10 , B23K20/2336 , B23K26/21 , B23K26/32 , B23K2101/36 , B23K2103/10 , H01M2/0217 , H01M2/263
Abstract: Provided is an energy storage device which includes: an electrode assembly where electrodes are layered to each other; and current collector joined to the layered electrodes in a state where the current collector overlaps with the electrodes. The electrode and the current collector are welded to each other or are joined to each other by ultrasonic bonding at a first joint portion. At least one of the electrode and the current collector includes a wall surface which projects from a periphery of the first joint portion or a region adjacent to the periphery along a stacking direction of the electrode and the current collector, and surrounds the first joint portion. The wall surface is disposed on both sides of the first joint portion in the stacking direction.
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公开(公告)号：US20160285074A1
公开(公告)日：2016-09-29
申请号：US15078472
申请日：2016-03-23
Applicant: GS Yuasa International Ltd.
Inventor： Taro YAMAFUKU , Masaki MASUDA , Kazuki KAWAGUCHI , Takeshi SASAKI
CPC classification number: H01M4/131 , H01G11/30 , H01G11/32 , H01G11/46 , H01G11/60 , H01M4/1391 , H01M4/366 , H01M4/505 , H01M4/525 , H01M4/622 , H01M4/625 , H01M4/667 , H01M4/668 , H01M10/0525 , H01M2004/021 , H01M2004/028
Abstract: An energy storage device includes an electrode having an electrode substrate; an active material layer which is disposed to cover a surface of the electrode substrate and which contains active material particles; and an intermediate layer which is disposed between the electrode substrate and the active material layer and which contains a binder, wherein the active material particles of the active material layer enter the intermediate layer, and are in contact with the electrode substrate and the intermediate layer.
Abstract translation: 能量存储装置包括具有电极基板的电极; 活性物质层，其设置成覆盖电极基板的表面并且含有活性物质颗粒; 以及中间层，其设置在所述电极基板和所述活性物质层之间并且包含粘合剂，其中所述活性物质层的活性物质粒子进入所述中间层，并且与所述电极基板和所述中间层接触。
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