公开(公告)号：US20140038053A1

公开(公告)日：2014-02-06

申请号：US13792372

申请日：2013-03-11

Applicant: GS YUASA INTERNATIONAL LTD.

Inventor： Daisuke Endo ,  Motonobu Murakami ,  Hiromasa Muramatsu

IPC: H01M4/525 ,  H01M4/04 ,  H01M4/505

CPC classification number: H01M4/525 ,  C01G53/50 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  H01M4/0471 ,  H01M4/505

Abstract: A positive active material for a lithium secondary battery contains a lithium-transition metal composite oxide represented by a composition formula of Li1+αMe1−αO2 (Me is a transition metal element including Co, Ni, and Mn; 1.2

Abstract translation: 锂二次电池用正极活性物质含有由Li1 +αMe1-αO2组成式表示的锂 - 过渡金属复合氧化物（Me是包括Co，Ni和Mn的过渡金属元素; 1.2（1 +α） /(1-alpha)<1.6）。 Me中所含的Co的摩尔比（Co / Me）为0.24〜0.36，当使用空间群R3-m作为基于X射线衍射图的晶体结构模型时，衍射的半值宽度 归属于（003）线的峰在0.204°至0.303°的范围内，或属于（104）线的衍射峰的半值宽度范围为0.278°至0.424°。

公开(公告)号：US20140030587A1

公开(公告)日：2014-01-30

申请号：US13953683

申请日：2013-07-29

Applicant: GS Yuasa International Ltd.

Inventor： Shogo Tsuruta ,  Syun Ito

IPC: H01M2/24

CPC classification number: H01M2/24 ,  H01M2/0473 ,  H01M2/06 ,  H01M2/22 ,  H01M2/30 ,  H01M10/052 ,  Y10T29/49108

Abstract: An electric storage element includes a casing, an electrode assembly arranged in the casing, a current collector arranged in the casing and connected to the electrode assembly, and a connection member penetrating through the casing and connected to the current collector. The current collector is provided with a fixing portion fixed to the casing. The fixing portion is located at a position opposite to a position where the electrode assembly is connected to the current collector with respect to a position where the connection member penetrates the casing.

Abstract translation: 蓄电元件包括​​壳体，布置在壳体中的电极组件，布置在壳体中并连接到电极组件的集电体，以及穿过壳体并连接到集电器的连接构件。 集电器设置有固定到壳体上的固定部分。 固定部位于相对于连接部件贯通壳体的位置的与电极组件与集电体连接的位置相反的位置。

公开(公告)号：US20130344387A1

公开(公告)日：2013-12-26

申请号：US13914907

申请日：2013-06-11

Applicant: GS YUASA INTERNATIONAL LTD.

Inventor： Daisuke Endo ,  Hiromasa Muramatsu

IPC: H01M4/48

CPC classification number: H01M4/131 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/20 ,  C01P2002/76 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/48 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Provided is a positive active material for a lithium secondary battery includes a lithium transition metal composite oxide having an α-NaFeO2-type crystal structure and represented by the composition formula of Li1+αMe1-αO2 (Me is a transition metal including Co, Ni and Mn and α>0). The positive active material contains Na in an amount of 900 ppm or more and 16000 ppm or less, or K in an amount of 1200 ppm or more and 18000 ppm or less.

Abstract translation: 提供的锂二次电池用正极活性物质包括具有α-NaFeO 2型晶体结构并由组成式Li1 +αMe1-αO2表示的锂过渡金属复合氧化物（Me是包括Co，Ni的过渡金属和 Mn和α> 0）。 正极活性物质含有900ppm以上且16000ppm以下的Na，或1200ppm以上至18000ppm以下的K。

公开(公告)号：US20130325379A1

公开(公告)日：2013-12-05

申请号：US13901472

申请日：2013-05-23

Applicant: GS Yuasa International Ltd.

Inventor： Masashi Nakamura

IPC: G01R31/36

CPC classification number: G01R31/3835 ,  G01R31/3842 ,  G01R31/389

Abstract: An internal resistance estimation device for estimating an internal resistance of an electric storage device includes a current measurement portion, a voltage measurement portion, and a controller. The current measurement portion is configured to measure a charge current to the electric storage device. The voltage measurement portion is configured to measure a terminal voltage of the electric storage device. The controller is configured to estimate an internal resistance of the electric storage device based on the charge current and the terminal voltage measured in a restrictive period of charge time for charging the electric storage device. The restrictive period is a period in which a time variation in charge current is constant.

Abstract translation: 用于估计蓄电装置的内部电阻的内部电阻估计装置包括电流测量部分，电压测量部分和控制器。 电流测量部分被配置为测量到蓄电装置的充电电流。 电压测量部被配置为测量蓄电装置的端子电压。 控制器被配置为基于在充电时间的限制期间测量的充电电流和终端电压来估计蓄电装置的内部电阻，以对蓄电装置充电。 限制周期是充电电流的时间变化恒定的时段。

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：US20130236770A1

公开(公告)日：2013-09-12

申请号：US13796072

申请日：2013-03-12

Applicant: GS YUASA INTERNATIONAL LTD.

Inventor： Hideki MASUDA

IPC: H01M2/02 ,  H01G9/08

CPC classification number: H01M2/0207 ,  H01G9/08 ,  H01M2/0217 ,  H01M2/0473 ,  H01M10/613 ,  H01M10/643 ,  H01M10/647 ,  H01M10/6554

Abstract: An electric storage device includes an electrode assembly and an outer case. The electrode assembly has at least one convex portion. The outer case accommodates the electrode assembly and has an inner wall with a recess in portion thereof opposite the at least one convex portion of the electrode assembly.

Abstract translation: 蓄电装置包括电极组件和外壳。 电极组件具有至少一个凸部。 外壳容纳电极组件，并且具有内壁，其内部具有与电极组件的至少一个凸部相对的部分的凹部。

公开(公告)号：US20130209843A1

公开(公告)日：2013-08-15

申请号：US13767130

申请日：2013-02-14

Applicant: GS Yuasa International Ltd.

Inventor： Syun ITO ,  Shogo TSURUTA ,  Seiichi IRIE

IPC: H01M2/12

CPC classification number: H01M2/1241 ,  H01M2/12 ,  H01M2/1288 ,  H01M2200/20

Abstract: An electric storage device includes an electrode assembly, a case, and a sealing member. The case includes a gas exhaust portion that opens to exhaust internal gas when an internal pressure increases. The sealing member is affixed to the case. The sealing member includes a protective portion and at least one of a perforation and a thin section having a thickness smaller than another section of the sealing member. The protective portion covers the gas exhaust portion of the case.

Abstract translation: 蓄电装置包括电极组件，壳体和密封构件。 该情况包括当内部压力增加时打开以排出内部气体的排气部。 密封件固定在外壳上。 密封构件包括保护部分和至少一个具有小于密封构件的另一部分的厚度的穿孔和薄部分。 保护部分覆盖壳体的排气部分。

公开(公告)号：US20130136978A1

公开(公告)日：2013-05-30

申请号：US13746417

申请日：2013-01-22

Applicant: GS YUASA INTERNATIONAL LTD.

Inventor： Hiroaki YOSHIDA ,  Nobutaka IMAMURA

IPC: H01M2/30

CPC classification number: H01M2/30 ,  H01M2/0285 ,  H01M2/06 ,  H01M2/26 ,  H01M2/342 ,  H01M6/10 ,  H01M10/0525 ,  Y02E60/12

Abstract: A non-aqueous electrolyte battery comprising: a battery case containing aluminum; a positive electrode terminal attached to the battery case; and a negative electrode terminal attached to the battery case and insulated from the battery case, wherein the positive electrode terminal and the battery case are connected through a resistor having resistance of 1Ω to 1 MΩ. Otherwise, A non-aqueous electrolyte battery comprising: a battery case containing iron; a negative electrode terminal attached to the battery case; and a positive electrode terminal attached to the battery case and insulated from the battery case, wherein the negative electrode terminal and the battery case are connected through a resistor having resistance of 1Ω to 1 MΩ.

Abstract translation: 一种非水电解质电池，包括：含有铝的电池壳; 附接到电池壳体的正电极端子; 以及负极端子，其附接到电池壳体并与电池壳体绝缘，其中正电极端子和电池壳体通过电阻为10mega至1momega的电阻器连接。 否则，一种非水电解质电池，包括：含有铁的电池壳; 附接到电池壳体的负极端子; 以及连接到电池壳体并与电池壳体绝缘的正电极端子，其中负极端子和电池壳体通过电阻为10mega至1momega的电阻器连接。

公开(公告)号：US20130084488A1

公开(公告)日：2013-04-04

申请号：US13644375

申请日：2012-10-04

Applicant: GS Yuasa International Ltd.

Inventor： Shogo WAKI ,  Hideki Masuda ,  Masahiro Uchida ,  Syun Ito ,  Seiichi Irie

IPC: H01M2/06 ,  H01G9/028 ,  H01M2/30

CPC classification number: H01M2/26 ,  H01M2/10

Abstract: An electrochemical device includes a power generating element, an outer package, a current collector, and a movement restricting member. The power generating element includes a main portion and a terminal portion. The main portion includes an electrode prepared by forming an active material layer on a metal foil surface of the electrode. The terminal portion is provided on a side of the main portion. The outer package houses the power generating element. The current collector is connected to the terminal portion of the power generating element. The movement restricting member includes a holding portion arranged between the side of the main portion of the power generating element and an inner surface of the outer package opposite the side of the main portion.

Abstract translation: 电化学装置包括发电元件，外包装，集电器和移动限制件。 发电元件包括​​主体部分和端子部分。 主要部分包括通过在电极的金属箔表面上形成活性物质层制备的电极。 端子部分设置在主体部分的一侧。 外包装容纳发电元件。 集电器连接到发电元件的端子部分。 移动限制构件包括设置在发电元件的主要部分的侧面与外部封装的与主要部分的侧面相对的内表面之间的保持部。

公开(公告)号：US20250167371A1

公开(公告)日：2025-05-22

申请号：US18841679

申请日：2023-02-09

Applicant: GS Yuasa International Ltd.

Inventor： Yasuyuki IWASHIMA ,  Koki MAEDA

IPC: H01M50/244 ,  H01M50/209 ,  H01M50/224 ,  H01M50/289

Abstract: An energy storage apparatus includes an energy storage element, a metallic exterior body, and a holding member. The energy storage element includes a side surface and a bottom surface, and the side surface is oriented in a first direction and the bottom surface is oriented in a second direction. The exterior body includes a bottom wall portion opposed to the bottom surface. The holding member includes a holding body portion extending along the side surface and a bottom surface cover portion connected to an end portion of the holding body portion and covers the bottom surface of the energy storage element. At least one of the exterior body and the holding member is provided with a protruding portion separating the bottom wall portion and the bottom surface cover portion, and size of the protruding portion fits within an array range of the bottom surface cover portion.