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    SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF
    31.
    发明申请
    SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF 有权

    公开(公告)号：US20210104744A1

    公开(公告)日：2021-04-08

    申请号：US16464566

    申请日：2017-12-04

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Teppei OGUNI ,  Aya UCHIDA ,  Hiroshi KADOMA

    IPC: H01M4/583 ,  H01M10/0562 ,  H01M4/133

    Abstract: Provided is a layer for preventing a short circuit between a positive electrode and a negative electrode in a solid battery using a layer containing a solid electrolyte. As the solid electrolyte between the positive electrode and the negative electrode, a layer containing a graphene compound is used. Lithium ions can pass through the layer containing the graphene compound. Lithium ions are added in advance in the layer containing the graphene compound. Specifically, a modifier is used, and a graphene compound chemically modified with a functional group such as ether and ester with an increased interlayer distance is used.

    POWER STORAGE DEVICE AND MANUFACTURING METHOD THEREOF
    32.
    发明申请
    POWER STORAGE DEVICE AND MANUFACTURING METHOD THEREOF 审中-公开

    公开(公告)号：US20200058954A1

    公开(公告)日：2020-02-20

    申请号：US16662083

    申请日：2019-10-24

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Teppei OGUNI ,  Junya GOTO ,  Ai NAKAGAWA

    IPC: H01M10/058 ,  H01M10/44 ,  H01M10/0569 ,  H01M10/0525

    Abstract: In initial charge and discharge, decomposition products or a gas is generated, degrading a battery. At least one of solvents (e.g., ethylene carbonate) used for an electrolytic solution is brought into contact with a positive electrode and a negative electrode and then charge is performed to some degree, and after that, a different solvent or electrolytic solution (e.g., ethyl methyl carbonate or vinylene carbonate) was added to adjust the electrolytic solution and then charge is performed. Through this process, stable coating films are formed in initial charge and discharge, which stably inhibits a side reaction between the electrolytic solution and an active material.

    LITHIUM-ION STORAGE BATTERY AND ELECTRONIC DEVICE
    36.
    发明申请
    LITHIUM-ION STORAGE BATTERY AND ELECTRONIC DEVICE 审中-公开
    锂离子电池和电子设备

    公开(公告)号：US20170005364A1

    公开(公告)日：2017-01-05

    申请号：US15195187

    申请日：2016-06-28

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Shunpei YAMAZAKI ,  Teppei OGUNI ,  Satoshi SEO ,  Hiroshi KADOMA

    IPC: H01M10/0525 ,  H01M10/04 ,  H01M4/62 ,  H01M10/02

    Abstract: To provide a storage battery including a carbon-based material. To provide a graphene compound film having desired ion conductivity and mechanical strength while preventing direct contact between electrodes in a storage battery. To achieve long-term reliability. A lithium-ion storage battery includes a positive electrode, a negative electrode, an exterior body, and a separator between the positive electrode and the negative electrode. In the lithium-ion storage battery, one of the positive electrode and the negative electrode is wrapped in a first film, and the positive electrode, the negative electrode, and the separator are stored in the exterior body. The first film may include a first region in which the first film includes a first functional group. The first film may further include a second region in which the first film includes a second functional group different from the first functional group. The first film may be a graphene compound film.

    Abstract translation: 提供一种包含碳基材料的蓄电池。 提供具有期望的离子传导性和机械强度的石墨烯化合物膜，同时防止蓄电池中的电极之间的直接接触。 实现长期可靠性。 锂离子蓄电池包括正极，负极，外部主体和正极与负极之间的隔板。 在锂离子蓄电池中，正极和负极中的一个被包裹在第一膜中，正极，负极和隔板被存储在外部主体中。 第一膜可以包括其中第一膜包括第一官能团的第一区域。 第一膜还可以包括其中第一膜包括不同于第一官能团的第二官能团的第二区域。 第一膜可以是石墨烯化合物膜。

    POWER STORAGE DEVICE AND ELECTRONIC DEVICE
    38.
    发明申请
    POWER STORAGE DEVICE AND ELECTRONIC DEVICE 审中-公开
    电力存储设备和电子设备

    公开(公告)号：US20150279577A1

    公开(公告)日：2015-10-01

    申请号：US14659651

    申请日：2015-03-17

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Aya UCHIDA ,  Teppei OGUNI ,  Rie YOKOI ,  Jun ISHIKAWA

    IPC: H01G11/24 ,  H01M12/08 ,  H01G11/28 ,  H01G11/52 ,  H01G11/62 ,  H01M10/0569 ,  H01M10/0525

    CPC classification number: H01G11/62 ,  H01G11/06 ,  H01G11/28 ,  H01G11/52 ,  H01G11/60 ,  H01M10/052 ,  H01M10/0569 ,  H01M2300/0045 ,  Y02E60/13

    Abstract: A power storage device with high capacity, a power storage device with high energy density, a highly reliable power storage device, and a long-life power storage device are provided. The power storage device includes a positive electrode, a separator, a negative electrode, and an electrolytic solution. The electrolytic solution contains an alkali metal salt and an ionic liquid. The separator is located between the positive electrode and the negative electrode. At least part of the positive electrode overlaps with the negative electrode. At least part of an end portion of the negative electrode is located inside a region between end portions of the positive electrode.

    Abstract translation: 提供具有高容量的蓄电装置，具有高能量密度的蓄电装置，高可靠性蓄电装置以及长寿命蓄电装置。 蓄电装置包括正极，隔板，负极和电解液。 电解液含有碱金属盐和离子液体。 隔板位于正极和负极之间。 正极的至少一部分与负极重叠。 负极的端部的至少一部分位于正极的端部之间的区域的内侧。

    ELEMENT AND FORMATION METHOD OF FILM
    39.
    发明申请
    ELEMENT AND FORMATION METHOD OF FILM 有权
    电影的元素和形成方法

    公开(公告)号：US20150155077A1

    公开(公告)日：2015-06-04

    申请号：US14548814

    申请日：2014-11-20

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Shunpei YAMAZAKI ,  Teppei OGUNI ,  Kiyofumi OGINO ,  Hisao IKEDA

    IPC: H01B13/00 ,  H01B1/04 ,  H05K1/11 ,  H05K1/02 ,  H05K1/09

    CPC classification number: H05K1/09 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04111 ,  H01B1/04 ,  H01L27/323 ,  H01L27/3244 ,  H01L51/5246 ,  H01L2251/5307 ,  H01L2251/5315 ,  H05K1/092 ,  H05K3/06 ,  H05K3/12 ,  H05K3/1283 ,  H05K2201/0323 ,  H05K2201/10151

    Abstract: A novel element is provided. A novel film formation method is provided. A novel element manufacturing method is provided. Furthermore, a film including graphene is formed at low cost and high yield. The element includes a first electrode and a second electrode located apart from the first electrode. The first electrode and the second electrode include graphene. The film including graphene is formed through a first step of forming a film including graphene oxide over a substrate, a second step of immersing the film including graphene oxide in an acidic solution, and a third step of reducing graphene oxide included in the film including graphene oxide. Furthermore, before graphene oxide included in the film including graphene oxide is reduced, the film including graphene oxide is selectively removed by a photolithography technique.

    Abstract translation: 提供了一个新颖的元素。 提供了一种新颖的成膜方法。 提供了一种新颖的元件制造方法。 此外，以低成本和高产率形成包括石墨烯的膜。 元件包括第一电极和与第一电极分开的第二电极。 第一电极和第二电极包括石墨烯。 包括石墨烯的薄膜是通过在衬底上形成包括氧化石墨烯的薄膜的第一步骤形成的，第二步是将包含氧化石墨烯的薄膜浸渍在酸性溶液中;以及第三步骤，还原包括在石墨烯中的石墨烯氧化物 氧化物。 此外，在包括氧化石墨烯的薄膜中包含的氧化石墨烯之前，通过光刻技术有选择地除去包括氧化石墨烯的薄膜。

    ELECTRODE AND SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF
    40.
    发明申请
    ELECTRODE AND SECONDARY BATTERY, AND MANUFACTURING METHOD THEREOF 审中-公开
    电极和二次电池及其制造方法

    公开(公告)号：US20150111107A1

    公开(公告)日：2015-04-23

    申请号：US14519443

    申请日：2014-10-21

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Teppei OGUNI ,  Minoru TAKAHASHI ,  Kai KIMURA

    IPC: H01M4/02 ,  H01M4/583 ,  H01M4/64

    CPC classification number: H01M4/133 ,  H01M4/587 ,  H01M4/661 ,  H01M4/667 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2220/30

    Abstract: To improve the adhesion between a current collector and an electrode active material so as to improve long-term reliability. An electrode is formed in the following manner: an electrode active material (a negative electrode active material or a positive electrode active material) is formed over a base, a conductive film is formed over the electrode active material by a sputtering method, the base and the electrode active material are separated at the interface therebetween, and the electrode active material is made in contact with a current collector. The conductive film has a surface with projections and depressions because the conductive film is formed on the electrode active material containing particles. Accordingly, moderate adhesion can be provided between the conductive film and the current collector, with which stress at the interface between the conductive film and the current collector can be reduced while conductivity is maintained.

    Abstract translation: 为了提高集电体与电极活性物质的密合性，提高长期可靠性。 以下述方式形成电极：在基底上形成电极活性物质（负极活性物质或正极活性物质），通过溅射法在电极活性物质的上方形成导电膜， 电极活性物质在它们之间的界面处分离，并且使电极活性材料与集电体接触。 由于导电膜形成在含有颗粒的电极活性物质上，所以导电膜具有具有凹凸的表面。 因此，可以在导电膜和集电体之间提供适度的粘合，由此可以减小导电膜和集电体之间的界面处的应力，同时保持导电性。

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