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    Power storage device, casing sealing structure, and casing manufacturing method
    2.
    发明授权
    Power storage device, casing sealing structure, and casing manufacturing method 有权

    公开(公告)号：US10818887B2

    公开(公告)日：2020-10-27

    申请号：US16064005

    申请日：2015-12-28

    Applicant: HONDA MOTOR CO., LTD. ,  ELIIY Power Co., Ltd

    Inventor： Tomoya Makabe ,  Takeshi Yanagisawa ,  Hiroyuki Suzuki ,  Masaharu Nakamori ,  Hideyuki Sugiyama ,  Hiroshi Sato ,  Takeshi Sawada ,  Kazutoshi Miyauchi

    IPC: H01M2/04 ,  H01M2/08 ,  H01M2/10 ,  H01M2/02

    Abstract: The present invention provides a power storage device capable of preventing deterioration of sealability even when a pulling force is applied to a casing and having high safety and excellent durability. The power storage device of the present invention includes a casing having a sealing structure, the casing includes a first member including a first opening and a second member, the first and second members are joined to each other at a first joint portion provided at a peripheral edge of the first opening, the first joint portion includes a first peripheral groove portion and a first reception port provided at one of the first and second members, a first convex edge portion provided at the other thereof, a first claw portion provided on a side surface of the first convex edge portion, and a first adhesive layer, a front end of the first convex edge portion is disposed inside the first peripheral groove portion and is bonded to an inner wall of the first peripheral groove portion by the first adhesive layer, the first claw portion is disposed inside the first reception port, and the first adhesive layer bonds the front end of the first convex edge portion to the inner wall of the first peripheral groove portion in a state where a side surface of the first claw portion opposite to the front end of the first convex edge portion is in contact with an inner wall of the first reception port opposite to a bottom of the first peripheral groove portion.

    Lithium-Ion Battery
    4.
    发明申请
    Lithium-Ion Battery 审中-公开
    锂离子电池

    公开(公告)号：US20150111095A1

    公开(公告)日：2015-04-23

    申请号：US14402672

    申请日：2013-05-22

    Applicant: ELIIY Power Co., Ltd.

    Inventor： Michito Sato ,  Hideyuki Sugiyama

    IPC: H01M10/04 ,  H01M10/0525

    CPC classification number: H01M10/0431 ,  H01M2/02 ,  H01M10/0525 ,  H01M10/0583 ,  H01M10/0585

    Abstract: A lithium-ion battery includes: a power generation element having a structure where a positive electrode and a negative electrode are stacked with a separator interposed therebetween; a positive-electrode current collector connected to the positive electrode; a negative-electrode current collector connected to the negative electrode; a shrink tube bundling the power generation element, the positive-electrode current collector, and the negative-electrode current collector together; a non-aqueous electrolyte; and a battery case housing the power generation element, the positive-electrode current collector, the negative-electrode current collector, the shrink tube, and the non-aqueous electrolyte, wherein the positive-electrode current collector and the negative-electrode current collector are fixed to the battery case, and the shrink tube is a seamless tube.

    Abstract translation: 锂离子电池包括：发电元件，其具有正极和负极层叠并隔着隔膜的结构; 与正极连接的正极集电体; 与负极连接的负极集电体; 将发电元件，正极集电体和负极集电体捆扎在一起的收缩管; 非水电解质; 以及容纳发电元件，正极集电体，负极集电体，收缩管和非水电解质的电池壳体，其中正极集电体和负极集电体为 固定在电池盒上，收缩管是无缝管。

    Non-aqueous electrolyte secondary battery and charging method
    5.
    发明授权
    Non-aqueous electrolyte secondary battery and charging method 有权

    公开(公告)号：US11749840B2

    公开(公告)日：2023-09-05

    申请号：US16487307

    申请日：2018-02-22

    Applicant: ELIIY POWER CO., LTD.

    Inventor： Atsuhiko Minagawa ,  Hideyuki Sugiyama

    IPC: H01M10/0568 ,  H01M10/0525 ,  H01M4/133 ,  H01M4/58 ,  H01M10/0569 ,  H01M4/02

    CPC classification number: H01M10/0568 ,  H01M4/133 ,  H01M4/5825 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028

    Abstract: A non-aqueous electrolyte secondary battery of the present invention includes: a positive electrode in which an olivine-type compound is used as a positive electrode active material; a negative electrode in which amorphous-based carbon is used as a negative electrode active material; a separator sandwiched between the positive electrode and the negative electrode; a non-aqueous electrolyte; and a casing which houses the positive electrode, the negative electrode, the separator, and the non-aqueous electrolyte. The positive electrode, the negative electrode, and the non-aqueous electrolyte are configured to satisfy an inequality: (Rn/(Rp+Rn))≤0.54, where Rp is a positive electrode internal resistance attributed to both the positive electrode and a positive electrode reaction during charging of the secondary battery, Rn is a negative electrode internal resistance attributed to both the negative electrode and a negative electrode reaction during charging of the secondary battery, and (Rp+Rn) is an inter-terminal internal resistance of the secondary battery during charging of the secondary battery.

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