公开(公告)号：US09954219B2

公开(公告)日：2018-04-24

申请号：US14152933

申请日：2014-01-10

Applicant: GS Yuasa International Ltd.

Inventor： Taro Yamafuku ,  Masaki Masuda ,  Kazuki Kawaguchi ,  Takeshi Sasaki

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/66 ,  H01M4/02 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/364 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/622 ,  H01M4/661 ,  H01M4/663 ,  H01M4/667 ,  H01M10/0525 ,  H01M2004/021

Abstract: Provided is an electric storage device including: a first electrode plate, a second electrode plate having a polarity opposite to that of the first electrode plate, and a separator interposed between the first electrode plate and the second electrode plate, wherein the first electrode plate includes a current collector, a conductive layer laminated onto the current collector, and a mixture layer laminated onto the conductive layer, the mixture layer contains a binder and primary particles of an active material as its constituents, and the primary particles as a constituent of the mixture layer are partially retained in the conductive layer.

公开(公告)号：US09472798B2

公开(公告)日：2016-10-18

申请号：US13864126

申请日：2013-04-16

Applicant: GS Yuasa International Ltd.

Inventor： Masaki Masuda ,  Taro Yamafuku

IPC: H01M2/30 ,  H01M2/06 ,  H01M10/052

CPC classification number: H01M2/30 ,  H01M2/06 ,  H01M10/052

Abstract: An energy storage device includes a casing, a power generating element, a current collector, a connection conductor, an external terminal, and a rivet. The energy storage device further includes a welded portion where at least one of a contact portion between a casing inner portion of the rivet and the current collector, a contact portion between a casing outer portion of the rivet and the connection conductor, and a contact portion between the connection conductor and the external terminal is welded at least partially.

Abstract translation: 能量存储装置包括壳体，发电元件，集电器，连接导体，外部端子和铆钉。 能量存储装置还包括焊接部分，其中铆钉的壳体内部部分和集电器之间的接触部分中的至少一个，铆钉的壳体外部部分和连接导体之间的接触部分以及接触部分 至少部分地焊接在连接导体和外部端子之间。

公开(公告)号：US20130273416A1

公开(公告)日：2013-10-17

申请号：US13864126

申请日：2013-04-16

Applicant: GS YUASA INTERNATIONAL LTD.

Inventor： Masaki Masuda ,  Taro Yamafuku

IPC: H01M2/30

CPC classification number: H01M2/30 ,  H01M2/06 ,  H01M10/052

Abstract: An energy storage device includes a casing, a power generating element, a current collector, a connection conductor, an external terminal, and a rivet. The energy storage device further includes a welded portion where at least one of a contact portion between a casing inner portion of the rivet and the current collector, a contact portion between a casing outer portion of the rivet and the connection conductor, and a contact portion between the connection conductor and the external terminal is welded at least partially.

Abstract translation: 能量存储装置包括壳体，发电元件，集电器，连接导体，外部端子和铆钉。 能量存储装置还包括焊接部分，其中铆钉的壳体内部部分和集电器之间的接触部分中的至少一个，铆钉的壳体外部部分和连接导体之间的接触部分以及接触部分 至少部分地焊接在连接导体和外部端子之间。

公开(公告)号：US12300791B2

公开(公告)日：2025-05-13

申请号：US17279134

申请日：2019-09-26

Applicant: GS Yuasa International Ltd.

Inventor： Taro Yamafuku ,  Kenta Nakai ,  Jun Oyama

IPC: H01M10/0587 ,  H01G11/22 ,  H01G11/52 ,  H01G11/58 ,  H01G11/84

Abstract: Provided is a method for manufacturing an energy storage device including an electrode that has an active material layer, an electrolyte solution, and a case. According to the present embodiment, the method including injecting an electrolyte solution in a predetermined amount into a case is characterized in that the predetermined amount is an amount such that, an alkali metal or an alkaline earth metal at least partially comes into contact with a free electrolyte solution that is the electrolyte solution excluding the electrolyte solution soaking into the electrode assembly in the case, with the case housing therein: the alkali metal or the alkaline earth metal of an ion supply member that has the alkali metal or the alkaline earth metal disposed on a conductive member other than the active material layer; and an electrode assembly including the stacked electrode that has electrical conduction to the conducive member of the ion supply member.

公开(公告)号：US10991969B2

公开(公告)日：2021-04-27

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 ,  H01M4/587 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/052

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.

公开(公告)号：US20140199582A1

公开(公告)日：2014-07-17

申请号：US14152911

申请日：2014-01-10

Applicant: GS Yuasa International Ltd.

Inventor： Takeshi SASAKI ,  Taro Yamafuku ,  Kazuki Kawaguchi ,  Masaki Masuda

IPC: H01M10/0585 ,  H01M10/04 ,  H01M10/0525

CPC classification number: H01M4/0409 ,  H01M4/043 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/364 ,  H01M4/5825 ,  H01M4/623 ,  H01M4/625 ,  H01M4/663 ,  H01M4/667 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021

Abstract: Provided is an electric storage device including: a first electrode plate; a second electrode plate having a polarity opposite to that of the first electrode plate; and a separator interposed between the first electrode plate and the second electrode plate, wherein the first electrode plate includes a current collector and a mixture layer laminated onto the current collector, the mixture layer contains at least one of the binder and the conductive additive, primary particles of an active material, and secondary particles each having a hollow region formed therein by aggregation of a plurality of the primary particles, and the at least one of the binder and the conductive additive is partially distributed in the hollow region.

Abstract translation: 提供一种蓄电装置，包括：第一电极板; 第二电极板，其极性与第一电极板的极性相反; 以及夹在所述第一电极板和所述第二电极板之间的隔膜，其中，所述第一电极板包括集电体和层叠在所述集电体上的混合层，所述混合层包含所述粘合剂和所述导电性添加剂中的至少一种， 活性物质的颗粒和通过多个一次粒子的聚集而形成在其中的中空区域的二次粒子，并且粘合剂和导电性添加剂中的至少一种部分地分布在中空区域中。

公开(公告)号：US10340482B2

公开(公告)日：2019-07-02

申请号：US14849173

申请日：2015-09-09

Applicant: GS Yuasa International Ltd.

Inventor： Taro Yamafuku ,  Takeshi Sasaki

IPC: H01M2/02 ,  H01M2/10 ,  H01M10/6557 ,  H01M10/658

Abstract: An energy storage apparatus includes: at least one energy storage device which includes an electrode assembly and a case for housing the electrode assembly; a spacer which is arranged adjacent to the case; and a holder which holds the energy storage device and the spacer. The energy storage device includes an insulating film which covers an outer surface of the case and is adhered to at least a portion of the outer surface of the case. The spacer has at least one of edges and corners thereof disposed at positions where the edges or the corners are in contact with the outer surface of the case with the insulating film interposed therebetween.

公开(公告)号：US10003061B2

公开(公告)日：2018-06-19

申请号：US14731284

申请日：2015-06-04

Applicant: GS Yuasa International Ltd.

Inventor： Taro Yamafuku ,  Sumio Mori

IPC: H01M2/02 ,  H01M2/12 ,  H01M2/18 ,  H01M2/04 ,  H01M2/36 ,  H01G11/80 ,  H01G11/20 ,  H01G11/58 ,  H01M10/04 ,  H01M2/14 ,  H01M10/0525 ,  H01M10/0587

CPC classification number: H01M2/18 ,  H01G11/20 ,  H01G11/58 ,  H01G11/80 ,  H01M2/0217 ,  H01M2/0473 ,  H01M2/1235 ,  H01M2/14 ,  H01M2/365 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/0587 ,  Y02E60/13 ,  Y10T29/4911

Abstract: An energy storage device includes: an electrode assembly; a case for storing the electrode assembly therein, the case having an electrolyte solution sealing portion where an electrolyte solution pouring hole formed in the case is sealed; and at least one partition member arranged in a gap formed between the case and the electrode assembly stored in the case. The partition member partitions the gap in the winding axis direction of the electrode assembly by surrounding the electrode assembly in the winding direction of the electrode. The electrolyte solution pouring hole is arranged at a position closer to one end of the electrode assembly than the partition member close to one end of the case is in the winding axis direction.

公开(公告)号：US09991563B2

公开(公告)日：2018-06-05

申请号：US15165565

申请日：2016-05-26

Applicant: GS Yuasa International Ltd.

Inventor： Tomonori Kako ,  Taro Yamafuku ,  Akihiko Miyazaki

IPC: H01M10/0587 ,  H01G11/24 ,  H01G11/32 ,  H01G11/38 ,  H01M4/133 ,  H01M4/36 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/647 ,  H01M4/02

CPC classification number: H01M10/0587 ,  H01G11/24 ,  H01G11/32 ,  H01G11/38 ,  H01M4/133 ,  H01M4/364 ,  H01M4/587 ,  H01M4/622 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/647 ,  H01M2004/027 ,  Y02E60/13

Abstract: An energy storage device includes a positive electrode and a negative electrode. The negative electrode includes graphite and non-graphitizable carbon, and a D50 particle size of the graphite at which a cumulative volume in a particle size distribution of a particle size reaches 50% is 2 μm or more. A ratio of a mass of the non-graphitizable carbon to a total amount of a mass of the graphite and a mass of the non-graphitizable carbon is 5% by mass or more and 45% by mass or less and a ratio of the D50 particle size of the graphite to a D50 particle size of the non-graphitizable carbon is 1.02 or less.

公开(公告)号：US20140199589A1

公开(公告)日：2014-07-17

申请号：US14152933

申请日：2014-01-10

Applicant: GS Yuasa International Ltd.

Inventor： Taro Yamafuku ,  Masaki Masuda ,  Kazuki Kawaguchi ,  Takeshi Sasaki

IPC: H01M4/36

CPC classification number: H01M4/364 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/622 ,  H01M4/661 ,  H01M4/663 ,  H01M4/667 ,  H01M10/0525 ,  H01M2004/021

Abstract: Provided is an electric storage device including: a first electrode plate, a second electrode plate having a polarity opposite to that of the first electrode plate, and a separator interposed between the first electrode plate and the second electrode plate, wherein the first electrode plate includes a current collector, a conductive layer laminated onto the current collector, and a mixture layer laminated onto the conductive layer, the mixture layer contains a binder and primary particles of an active material as its constituents, and the primary particles as a constituent of the mixture layer are partially retained in the conductive layer.

Abstract translation: 本发明提供一种蓄电装置，其特征在于，包括：第一电极板，具有与第一电极板的极性相反的极性的第二电极板和插入在第一电极板和第二电极板之间的隔膜，其中，第一电极板包括 集电体，层叠在集电体上的导电层和层叠在导电层上的混合层，混合层含有粘合剂和作为其成分的活性物质的一次粒子，作为混合物的成分的一次粒子 层部分地保留在导电层中。