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    ENERGY STORAGE APPARATUS
    661.
    发明申请
    ENERGY STORAGE APPARATUS 审中-公开

    公开(公告)号：US20180315967A1

    公开(公告)日：2018-11-01

    申请号：US15738078

    申请日：2016-06-10

    Applicant: GS YUASA INTERNATIONAL LTD.

    Inventor： Yasutaka MIYAWAKI

    IPC: H01M2/10 ,  H01G11/82 ,  H01M10/42 ,  H01M2/20

    CPC classification number: H01M2/1016 ,  H01G11/10 ,  H01G11/74 ,  H01G11/82 ,  H01M2/202 ,  H01M10/0525 ,  H01M10/4257 ,  H01M2220/10 ,  Y02E60/13

    Abstract: An electricity storage device (1) which is provided with an electricity storage element (40) and an outer case (10). This electricity storage device (1) is also provided with: a measurement substrate (81) which is connected to the electricity storage element (40), and through which a first electric current passes; and a main circuit substrate (82) through which a second electric current that is larger than the first electric current passes. The main circuit substrate (82) is arranged so as to face a part of a container (410) of the electricity storage element (40), said part being different from a long lateral surface (411) of the container (410).

    ENERGY STORAGE DEVICE
    664.
    发明申请
    ENERGY STORAGE DEVICE 审中-公开

    公开(公告)号：US20180301684A1

    公开(公告)日：2018-10-18

    申请号：US15767069

    申请日：2016-10-06

    Applicant: GS Yuasa International Ltd.

    Inventor： Kie TANAKA

    IPC: H01M2/16 ,  H01M4/13 ,  H01M4/36 ,  H01M10/0525

    Abstract: An energy storage device includes: a negative electrode having a negative composite layer on a negative electrode collector foil and a negative composite layer non-forming part along a side of a negative electrode collector foil; a positive electrode including a positive composite layer on a positive electrode collector foil and a positive composite layer non-forming part along a side of the positive electrode collector foil; and a separator including an insulating layer on its surface opposing the positive electrode. An end S1 on a side of the negative electrode current collector of the separator is projected more than an end P1 on the side of the negative electrode current collector of the positive composite layer, an end S2 on a side of the positive electrode current collector of the separator is projected more than an end P2 on the side of the positive electrode current collector of the positive composite layer, and a distance W2 from the end P2 to the end S2 is smaller than a distance W1 from the end P1 to the end S1.

    State of charge estimation device and method of estimating state of charge
    667.
    发明授权
    State of charge estimation device and method of estimating state of charge 有权

    公开(公告)号：US09983270B2

    公开(公告)日：2018-05-29

    申请号：US14242341

    申请日：2014-04-01

    Applicant: GS Yuasa International Ltd.

    Inventor： Kenichi Sejima

    IPC: G01R31/36

    CPC classification number: G01R31/3682 ,  G01R31/361 ,  G01R31/3624 ,  G01R31/3651 ,  G01R31/3658

    Abstract: The state of charge (SOC) estimation device includes a memory and a controller component. The memory stores data on a first correlation between an elapsed time and an estimation error in SOC estimation. The controller component executes a first estimation process and a second estimation process. The first estimation process is for estimating a first SOC and a first estimation error of the electric storage device in a non-charge/discharge state based on a terminal voltage and the elapsed time. The second estimation process is for estimating a second SOC and a second estimation error of the electric storage device in a charge/discharge state based on an accumulated charge/discharge current. The controller component calculates a total error from the first estimation error and the second estimation error. The controller component estimates the first estimation error when the elapsed time becomes equal to or longer than a reference time.

    Energy storage apparatus and spacer
    670.
    发明授权
    Energy storage apparatus and spacer 有权

    公开(公告)号：US09947910B2

    公开(公告)日：2018-04-17

    申请号：US15191352

    申请日：2016-06-23

    Applicant: GS Yuasa International Ltd.

    Inventor： Yosuke Nishimura

    IPC: H01M2/18 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6557 ,  H01M10/6561 ,  H01M2/10 ,  H01M2/16

    CPC classification number: H01M2/18 ,  H01M2/1016 ,  H01M2/1653 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6557 ,  H01M10/6561

    Abstract: Provided is an energy storage apparatus where a spacer includes: a base disposed orthogonal to a first direction; a first restricting portion and a second restricting portion extending from an end portion of the base in a second direction orthogonal to the first direction; a first projecting portion projecting from the base and the first restricting portion; and a second projecting portion projecting from the base and the second restricting portion. The first projecting portion includes: a first portion extending in the second direction on one surface of the base; and a second portion extending to a distal end in the first restricting portion, and is continuously formed at least from an end portion of the first portion on a first-restricting-portion side to a distal end of the second portion. The second projecting portion includes: a third portion which extends in the second direction on the other surface of the base and disposed at the position different from the first portion in a third direction; and a fourth portion extending to a distal end on the second restricting portion, and is continuously formed at least from an end portion of the third portion on a second-restricting-portion side to a distal end of the fourth portion. The distal end of the second portion and the distal end of the fourth portion are disposed at the same position in the third direction.

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