公开(公告)号：US20230324852A1

公开(公告)日：2023-10-12

申请号：US18205268

申请日：2023-06-02

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Ryota TAJIMA ,  Kensuke YOSHIZUMI

IPC: G04B37/14 ,  G04G19/00 ,  A44C5/14 ,  H02J7/00 ,  A44C5/00 ,  G04G17/06 ,  H01M50/202 ,  H01M50/569

CPC classification number: G04B37/1493 ,  G04G19/00 ,  A44C5/14 ,  H02J7/0045 ,  A44C5/0053 ,  G04G17/06 ,  H01M50/202 ,  H01M50/569 ,  H01M2220/30

Abstract: A device capable of being used for a long time is achieved. A power supply, a connection method of a power supply, or a connecting member, for easy attachment and detachment and non-detachment when in use, is provided. A power supply, a connection method of a power supply, or a connecting member for easy replacement is provided. A highly designed power supply is provided. Power from a battery is supplied to an electronic device through a connecting member including a pipe, a spring, and a pair of pivots. The pair of pivots are electrically insulated from each other, and electrically connected to any one of a pair of electrodes of the battery. The electronic device into which the pair of pivots are inserted includes a pair of bearings capable of receiving power.

公开(公告)号：US20230246224A1

公开(公告)日：2023-08-03

申请号：US18132504

申请日：2023-04-10

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Minoru TAKAHASHI ,  Yuugo GOTO ,  Yumiko YONEDA ,  Takuya MIWA ,  Ryota TAJIMA

IPC: H01M10/04 ,  H01M50/176 ,  H01M50/121 ,  H01M50/119 ,  H01M50/116 ,  H01M50/543

CPC classification number: H01M10/0436 ,  H01M50/176 ,  H01M50/121 ,  H01M50/119 ,  H01M50/116 ,  H01M50/543 ,  H01M50/124

Abstract: In the case where a film, which has lower strength than a metal can, is used as an exterior body of a secondary battery, a current collector provided in a region surrounded by the exterior body, an active material layer provided on a surface of the current collector, or the like might be damaged when force is externally applied to the secondary battery. A secondary battery which is resistant to external force in obtained. An opening is provided in a central portion of the secondary battery, and a terminal is formed in the opening. An outer edge of the secondary battery is fixed by thermocompression bonding. In addition, the central portion of the secondary battery is fixed by thermocompression bonding, so that the amount of bending is limited even when the outer edge portion of the secondary battery is bent.

公开(公告)号：US20230246154A1

公开(公告)日：2023-08-03

申请号：US18131449

申请日：2023-04-06

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Masaaki HIROKI ,  Ryota TAJIMA

IPC: H01M4/02 ,  H01M4/04 ,  H01M4/139

CPC classification number: H01M4/02 ,  H01M4/0404 ,  H01M4/139 ,  H01M2004/021 ,  H01M2220/30

Abstract: Part of an electrode, specifically a current collector and an active material layer, for a secondary battery is subjected to cutting processing to have a complex shape. For example, a stack of the first current collector and the first active material layer has a first slit and a second slit. Each of the first slit and the second slit passing across the first current collector and the first active material layer and extending from an edge of the first current collector. Another stack of the second current collector and the second active material layer has a third slit and a fourth slit. Each of the third slit and the fourth slit passing across the second current collector and the second active material layer and extending from an edge of the second current collector.

公开(公告)号：US20230207976A1

公开(公告)日：2023-06-29

申请号：US18116907

申请日：2023-03-03

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Ryota TAJIMA ,  Kazuhei NARITA ,  Kensuke YOSHIZUMI

IPC: H01M50/531 ,  H01M50/178 ,  H01M50/548 ,  H01M50/55 ,  H01M50/50 ,  H01M50/209 ,  H01M50/116 ,  H01M50/543

CPC classification number: H01M50/531 ,  H01M50/178 ,  H01M50/548 ,  H01M50/55 ,  H01M50/50 ,  H01M50/209 ,  H01M50/116 ,  H01M50/543 ,  Y02E60/10 ,  H01M2220/30

Abstract: A battery module with high impact resistance is provided. A battery module using an elastic body such as rubber for its exterior body covering a battery is provided. A bendable battery module is provided. As the exterior body covering a battery, an elastic body such as rubber is used, and the exterior body is molded in two steps. First, a first portion provided with a depression in which a battery is stored is molded using a first mold. Next, a battery is inserted into the first portion. Subsequently, second molding is performed using a second mold so as to fill an opening of the depression in the first portion, so that a second portion is formed. The second portion serves as a cover for closing the opening of the depression in the first portion.
The second portion is formed in contact with part of the electrodes in the battery and part of an end portion of the second exterior body in the battery.

公开(公告)号：US20230059867A1

公开(公告)日：2023-02-23

申请号：US17980073

申请日：2022-11-03

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Minoru TAKAHASHI ,  Ryota TAJIMA

IPC: H01M50/116 ,  H01M50/10 ,  H01M50/183

Abstract: A secondary battery with an exterior body having a novel scaling structure, and a structure of a sealing portion that relaxes a stress of deformation are provided. The secondary battery includes a positive electrode, a negative electrode, an electrolyte solution, and an exterior body enclosing at least part of the positive electrode, at least part of the negative electrode, and the electrolyte solution. The exterior body includes a first region having a shape with a curve, a shape with a wavy line, a shape with an arc, or a shape with a plurality of inflection points, and a second region having the same shape as the first region. The first region is in contact with the second region. Alternatively, the first region has a shape without a straight line. The secondary battery may be flexible, and the exterior body in a region having flexibility may include the first region.

公开(公告)号：US20220216524A1

公开(公告)日：2022-07-07

申请号：US17606839

申请日：2020-04-17

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei YAMAZAKI ,  Kazutaka KURIKI ,  Yumiko YONEDA ,  Ryota TAJIMA

IPC: H01M10/0585 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/48 ,  H01M4/13

Abstract: A solid-state secondary battery with high safety is provided. The solid-state secondary battery includes a first film that has a function of releasing and accumulating a lithium ion and is over a negative electrode current collector layer, a second film that has a function of transporting a lithium ion and is over the first film, a third film that has a function of releasing and accumulating a lithium ion and is over the second film, and a positive electrode current collector layer over the third film. The total thickness of the first to third films is the same before and after charging.

公开(公告)号：US20220181697A1

公开(公告)日：2022-06-09

申请号：US17676875

申请日：2022-02-22

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kazuhei NARITA ,  Ryota TAJIMA ,  Teppei OGUNI, I

IPC: H01M10/0569 ,  H01G11/28 ,  H01G11/32 ,  H01G11/52 ,  H01G11/60 ,  H01G11/62 ,  H01G11/84 ,  H01G11/86 ,  H01M4/36 ,  H01M4/525 ,  H01M4/587 ,  H01M4/66 ,  H01M10/0525 ,  H01M10/0568 ,  H01M50/411 ,  H01M50/429 ,  H01M50/44 ,  G04G19/00

Abstract: To provide a power storage device whose charge and discharge characteristics are unlikely to be degraded by heat treatment. To provide a power storage device that is highly safe against heat treatment. The power storage device includes a positive electrode, a negative electrode, a separator, an electrolytic solution, and an exterior body. The separator is located between the positive electrode and the negative electrode. The separator contains polyphenylene sulfide or solvent-spun regenerated cellulosic fiber. The electrolytic solution contains a solute and two or more kinds of solvents. The solute contains LiBETA. One of the solvents is propylene carbonate.

公开(公告)号：US20220166091A1

公开(公告)日：2022-05-26

申请号：US17666142

申请日：2022-02-07

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Ryota TAJIMA ,  Kensuke Yoshizumi

IPC: H01M50/116 ,  H01M4/66 ,  H01M50/10 ,  H01M50/54

Abstract: To provide a battery capable of changing in shape safely. To provide a battery capable of repeatedly bent. The battery includes a first lead, a second lead, a first current collector, and a second current collector. The first current collector includes a first portion bonded to the first lead and a second portion coated with a first active material. The second current collector includes a third portion bonded to the second lead and a fourth portion coated with a second active material. The first lead, the second portion, and the fourth portion overlap with each other in a portion. The second lead, the second portion, and the fourth portion overlap with each other in a portion.

公开(公告)号：US20220166090A1

公开(公告)日：2022-05-26

申请号：US17542806

申请日：2021-12-06

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Minoru TAKAHASHI ,  Ryota TAJIMA

IPC: H01M50/116 ,  H01M10/04 ,  H01M50/10 ,  H01M10/0525

Abstract: A battery capable of changing its form safely is provided. A bendable battery having a larger thickness is provided. A battery with increased capacity is provided. For an exterior body of the battery, a film in the shape of a periodic wave in one direction is used. A space is provided in an area surrounded by the exterior body and between an end portion of the electrode stack that is not fixed and an interior wall of the exterior body. Furthermore, the phases of waves of a pair of portions of the exterior body between which the electrode stack is located are different from each other. In particular, the phases are different from each other by 180 degrees so that wave crest lines overlap with each other and wave trough lines overlap with each other.

公开(公告)号：US20220058996A1

公开(公告)日：2022-02-24

申请号：US17517938

申请日：2021-11-03

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kensuke YOSHIZUMI ,  Ryota TAJIMA

IPC: G09F21/04 ,  B60R11/02 ,  G09G3/00 ,  G09G3/20 ,  B60J3/02 ,  H04N7/18

Abstract: A display device or a driving support system which enables a driver to obtain information easily is provided. A display device or a driving support system which is unlikely to impose a burden on a driver is provided. A display device or a driving support system which is suitable for space saving is provided. A display device or a driving support system which is capable of large-area display is provided. A display device or a driving support system which does not impair the aesthetic appearance of the car interior is provided. The display device includes a display panel which has flexibility and can be transformed between a first form and a second form, and a driving means having a function of reversibly changing the display panel between the first form and the second form. The first form is a form in which a display surface of the display panel is suspended, and the second form is a form in which the display panel is stored upward.