公开(公告)号：US20160233478A1

公开(公告)日：2016-08-11

申请号：US15023530

申请日：2014-09-22

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Mizuo Iwasaki ,  Yasushi Mochida

IPC: H01M2/26 ,  H01M10/04 ,  H01G11/86 ,  H01M2/30 ,  H01G11/74 ,  H01G11/26

CPC classification number: H01M2/266 ,  H01G11/26 ,  H01G11/72 ,  H01G11/74 ,  H01G11/76 ,  H01G11/82 ,  H01G11/84 ,  H01G11/86 ,  H01M2/0217 ,  H01M2/0473 ,  H01M2/22 ,  H01M2/26 ,  H01M2/30 ,  H01M10/0413 ,  H01M10/0463 ,  H01M10/049 ,  Y02E60/13 ,  Y02T10/7022

Abstract: In a rectangular electricity storage device, a first electrode group and a second electrode group that are housed in an outer package can 2 are respectively provided with a first terminal portion and a second terminal portion that extend from end surfaces 13 toward an opening 21 of the outer package can 2, the end surfaces 13 facing the opening 21. The first electrode group and the second electrode group are mechanically and electrically coupled to each other by a connection member. Specifically, the connection member includes a first connecting portion welded to the first terminal portion, a second connecting portion welded to the second terminal portion, and a coupling portion that mechanically and electrically couples the first connecting portion and the second connecting portion to each other. An inner surface 31 of a cover plate 3 is provided with a projecting portion that extends from the inner surface 31 toward a bottom surface of the outer package can 2. The projecting portion is electrically connected to an external terminal and is welded to at least any one of the first terminal portion, the second terminal portion, and the connection member.

Abstract translation: 在矩形蓄电装置中，容纳在外包装罐2中的第一电极组和第二电极组分别设置有从端表面13朝向开口21延伸的第一端子部分和第二端子部分 外包装罐2，端面13面向开口21.第一电极组和第二电极组通过连接构件彼此机械地和电连接。 具体地，连接构件包括焊接到第一端子部分的第一连接部分，焊接到第二端子部分的第二连接部分和将第一连接部分和第二连接部分彼此机械地和电耦合的联接部分。 盖板3的内表面31设置有从内表面31朝向外包装罐2的底表面延伸的突出部分。突出部分电连接到外部端子并且焊接到至少任何 第一端子部分，第二端子部分和连接部件中的一个。

公开(公告)号：US20170256774A1

公开(公告)日：2017-09-07

申请号：US15519426

申请日：2015-05-22

Applicant: Sumitomo Electric Industries, Ltd.

Inventor： Mizuo Iwasaki ,  Yasushi Mochida ,  Takeshi Araya

IPC: H01M2/30 ,  H01G11/80 ,  H01M2/08 ,  H01G11/74 ,  H01M2/04 ,  H01M2/06 ,  H01G11/82 ,  H01G11/52

CPC classification number: H01M2/30 ,  H01G11/52 ,  H01G11/74 ,  H01G11/80 ,  H01G11/82 ,  H01M2/0252 ,  H01M2/0404 ,  H01M2/043 ,  H01M2/06 ,  H01M2/08 ,  H01M2220/10 ,  H01M2220/20 ,  Y02E60/13 ,  Y02T10/7022

Abstract: An electricity storage device includes a case and two electrode terminal portions provided in a cover plate of the case. Each of the electrode terminal portions includes (a) a bolt-shaped electrode terminal that has a head portion and a threaded portion and is inserted into a corresponding terminal hole of the cover plate from the inner side of the case, (b) a ring-shaped first gasket between the electrode terminal and a circumferential portion of the corresponding terminal hole, (c) a nut that fixes the electrode terminal to the cover plate, (d) a washer between the nut and the cover plate, (e) a second gasket between the washer and the cover plate, and (f) a third gasket disposed between the head portion of the electrode terminal and the cover plate. Each of the first to third gaskets contains a fluororesin, and an acrylic sealing agent is disposed between each second gasket and a corresponding washer, between the cover plate and each second gasket, between each third gasket and the head portion of a corresponding electrode terminal, and between the cover plate and each third gasket.

公开(公告)号：US20160329551A1

公开(公告)日：2016-11-10

申请号：US15104839

申请日：2014-11-06

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Kikuo Senoo ,  Mizuo Iwasaki ,  Yasushi Mochida

IPC: H01M2/34 ,  H01M2/30 ,  H01M10/39

CPC classification number: H01M2/348 ,  H01M2/30 ,  H01M10/399 ,  H01M2200/103

Abstract: A molten salt battery includes an electrode group which includes a first electrode, a second electrode, and a separator electrically insulating the first electrode and the second electrode; a molten salt electrolyte; a bottomed case which houses the electrode group and the molten salt electrolyte, the bottomed case having an opening; a cover plate which seals the opening of the case; a first external terminal of the first electrode and a second external terminal of the second electrode which are provided on the cover plate; a bus bar component fixed to the first external terminal; a first insulating part which is interposed between the first external terminal and the bus bar component so as to electrically insulate the bus bar component and the first external terminal; a thermal fuse component which is electrically connected to the bus bar component and the first external terminal and provides electrical continuity between the bus bar component and the first external terminal when the ambient temperature is lower than a reference temperature T1; and a fixing member which fixes the thermal fuse component to the cover plate in such a state that the thermal fuse component is in contact with or in close vicinity to the surface of the cover plate. The molten salt battery is configured such that a charge current is input from the bus bar component to the first external terminal through the thermal fuse component.

Abstract translation: 熔融盐电池包括电极组，其包括第一电极，第二电极和使第一电极和第二电极电绝缘的隔板; 熔盐电解液; 容纳电极组和熔融盐电解质的底壳，底壳具有开口; 封闭壳体的开口的盖板; 设置在盖板上的第一电极的第一外部端子和第二电极的第二外部端子; 固定到第一外部终端的母线组件; 第一绝缘部，其插入在所述第一外部端子和所述母线部件之间，以使所述汇流条部件和所述第一外部端子电绝缘; 一个热熔丝部件，其电连接到汇流条部件和第一外部端子，并且当环境温度低于参考温度T1时，提供汇流条部件和第一外部端子之间的电连续性; 以及固定构件，其将热熔丝部件固定到盖板，使得热熔丝部件与盖板的表面接触或接近盖板的表面。 熔盐电池构成为通过热熔丝部件从母线部件向第一外部端子输入充电电流。

公开(公告)号：US10044023B2

公开(公告)日：2018-08-07

申请号：US15104839

申请日：2014-11-06

Applicant: Sumitomo Electric Industries, Ltd.

Inventor： Kikuo Senoo ,  Mizuo Iwasaki ,  Yasushi Mochida

IPC: H01M2/34 ,  H01M2/30 ,  H01M10/39

Abstract: A molten salt battery includes an electrode group which includes a first electrode, a second electrode, and a separator electrically insulating the first electrode and the second electrode; a molten salt electrolyte; a bottomed case which houses the electrode group and the molten salt electrolyte, the bottomed case having an opening; a cover plate which seals the opening of the case; a first external terminal of the first electrode and a second external terminal of the second electrode which are provided on the cover plate; a bus bar component fixed to the first external terminal; a first insulating part which is interposed between the first external terminal and the bus bar component so as to electrically insulate the bus bar component and the first external terminal; a thermal fuse component which is electrically connected to the bus bar component and the first external terminal and provides electrical continuity between the bus bar component and the first external terminal when the ambient temperature is lower than a reference temperature T1; and a fixing member which fixes the thermal fuse component to the cover plate in such a state that the thermal fuse component is in contact with or in close vicinity to the surface of the cover plate. The molten salt battery is configured such that a charge current is input from the bus bar component to the first external terminal through the thermal fuse component.

公开(公告)号：US20170047571A1

公开(公告)日：2017-02-16

申请号：US15306909

申请日：2015-04-28

Applicant: Sumitomo Electric Industries, Ltd.

Inventor： Mizuo Iwasaki ,  Yasushi Mochida ,  Takeshi Araya

IPC: H01M2/18 ,  H01M2/34 ,  H01M2/04 ,  H01M10/04

CPC classification number: H01M2/18 ,  H01M2/024 ,  H01M2/0277 ,  H01M2/043 ,  H01M2/22 ,  H01M2/34 ,  H01M10/04 ,  H01M10/0413 ,  H01M2220/20

Abstract: A rectangular electricity storage device includes a prism-shaped electrode group with an upper surface, a lower surface, and four lateral surfaces, the electrode group including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; an electrolyte; a case with an opening portion, the ease housing the electrode group and the electrolyte; a cover plate covering the opening portion of the case; and an insulation sheet interposed between the electrode group and the case, and insulating the electrode group and the case from each other, wherein the insulation sheet is folded so as to surround the lower surface and the four lateral surfaces of the electrode group.

Abstract translation: 矩形蓄电装置包括具有上表面，下表面和四个侧表面的棱柱形电极组，所述电极组包括正电极，负电极和介于正极和负极之间的隔板 ; 电解液 具有开口部的壳体，容纳电极组和电解质的容易性; 覆盖所述壳体的开口部的盖板; 以及绝缘片，其插入在所述电极组和所述壳体之间，并且使所述电极组和所述壳体彼此绝缘，其中所述绝缘片被折叠以围绕所述电极组的下表面和所述四个侧表面。

公开(公告)号：US20160211491A1

公开(公告)日：2016-07-21

申请号：US15023546

申请日：2014-09-08

Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.

Inventor： Mizuo Iwasaki ,  Yasushi Mochida

IPC: H01M2/04 ,  H05K5/04 ,  H01G9/00 ,  B23K26/20 ,  H01M2/02 ,  H01G9/145 ,  H05K5/00 ,  H05K5/06

CPC classification number: H01M2/0439 ,  B23K26/206 ,  B23K26/242 ,  B23K26/32 ,  B23K2101/36 ,  B23K2103/10 ,  H01G9/0029 ,  H01G9/145 ,  H01G11/78 ,  H01G11/80 ,  H01G11/84 ,  H01M2/024 ,  H01M2/0426 ,  H01M10/054 ,  H01M10/058 ,  H05K5/0004 ,  H05K5/04 ,  H05K5/066 ,  Y02E60/13 ,  Y02T10/7022

Abstract: A method for producing a sealed type electricity storage device includes: a step of preparing a bottomed outer can; a step of preparing a sealing plate having a periphery corresponding to an opening of the outer can, the sealing plate having a first recess in one surface of the periphery and having a tapered second recess in the other surface of the periphery, the first recess being configured to fit into an opening edge portion of the outer can; a step of closing the opening of the outer can with the sealing plate; and a step of welding the opening edge portion of the outer can and the periphery of the sealing plate by irradiating a boundary between the opening edge portion of the outer can and the periphery with a laser beam.

Abstract translation: 一种密封式蓄电装置的制造方法，其特征在于，包括：准备有底的外罐的工序; 制备具有与外罐的开口对应的周边的密封板的步骤，所述密封板在所述周边的一个表面中具有第一凹部，并且在所述周边的另一个表面中具有锥形的第二凹部，所述第一凹部 被配置成装配到所述外罐的开口边缘部分中; 利用密封板封闭外罐的开口的步骤; 以及通过用激光束照射外罐的开口边缘部分与周边之间的边界来焊接外罐的开口边缘部分和密封板的周边的步骤。