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    Power storage unit and solar power generation unit
    11.
    发明授权
    Power storage unit and solar power generation unit 有权
    蓄电机组和太阳能发电机组

    公开(公告)号：US09088056B2

    公开(公告)日：2015-07-21

    申请号：US13923431

    申请日：2013-06-21

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Minoru Takahashi ,  Shunpei Yamazaki ,  Masaaki Hiroki ,  Kei Takahashi ,  Junpei Momo

    IPC: H01M10/63 ,  H01M10/44 ,  H01M10/637 ,  H01M10/052

    CPC classification number: H01M10/6571 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/443 ,  H01M10/465 ,  H01M10/486 ,  H01M10/615 ,  H01M10/63 ,  H01M10/637 ,  H02J7/007 ,  H02J7/35 ,  H02S10/20 ,  Y02E60/122

    Abstract: Disclosed is a power storage unit which can safely operate over a wide temperature range. The power storage unit includes: a power storage device; a heater for heating the power storage device; a temperature sensor for sensing the temperature of the power storage device; and a control circuit configured to inhibit charge of the power storage device when its temperature is lower than a first temperature or higher than a second temperature. The first temperature is exemplified by a temperature which allows the formation of a dendrite over a negative electrode of the power storage device, whereas the second temperature is exemplified by a temperature which causes decomposition of a passivating film formed over a surface of a negative electrode active material.

    Abstract translation: 公开了一种可在宽温度范围内安全工作的蓄电单元。 蓄电单元包括：蓄电装置; 用于加热蓄电装置的加热器; 用于感测蓄电装置的温度的温度传感器; 以及控制电路，其被配置为当其存储温度低于第一温度或高于第二温度时禁止蓄电装置的充电。 第一温度的例子是允许在蓄电装置的负极上形成枝晶的温度，而第二温度的例子是由负极活性表面上形成的钝化膜分解的温度 材料。

    SECONDARY BATTERY
    12.
    发明申请
    SECONDARY BATTERY 审中-公开
    二次电池

    公开(公告)号：US20140023920A1

    公开(公告)日：2014-01-23

    申请号：US13940287

    申请日：2013-07-12

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Shunpei YAMAZAKI ,  Teppei Oguni ,  Tamae Moriwaka ,  Junpei Momo ,  Ryota Tajima ,  Nobuhiro Inoue

    IPC: H01M4/133

    CPC classification number: H01M4/133 ,  H01M4/587

    Abstract: A secondary battery in which graphite that is an active material can occlude and release lithium efficiently is provided. Further, a highly reliable secondary battery in which the amount of lithium inserted and extracted into/from graphite that is an active material is prevented from varying is provided. The secondary battery includes a negative electrode including a current collector and graphite provided over the current collector, and a positive electrode. The graphite includes a plurality of graphene layers. Surfaces of the plurality of graphene layers are provided substantially along the direction of an electric field generated between the positive electrode and the negative electrode.

    Abstract translation: 提供了作为活性物质的石墨能够有效地吸留和释放锂的二次电池。 此外，提供了一种高可靠性的二次电池，其中防止插入和从石墨中提取的作为活性材料的锂的量变化。 二次电池包括设置在集电体上方的集电体和石墨的负极和正极。 石墨包括多个石墨烯层。 基本上沿着在正极和负极之间产生的电场的方向设置多个石墨烯层的表面。

    POWER STORAGE DEVICE
    13.
    发明申请
    POWER STORAGE DEVICE 审中-公开
    电源存储设备

    公开(公告)号：US20130164611A1

    公开(公告)日：2013-06-27

    申请号：US13717750

    申请日：2012-12-18

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Kenryo NANBA ,  Minoru Takahashi ,  Ryota Tajima ,  Teppei Oguni ,  Junpei Momo

    IPC: H01M4/70

    CPC classification number: H01M4/70 ,  H01M4/134

    Abstract: Disclosed is a power storage device including a negative electrode and a positive electrode. The negative electrode includes a negative electrode current collector including a common portion and a plurality of protrusions protruding from the common portion, and a negative electrode active material layer which covers a side surface of the protrusion. The positive electrode faces the negative electrode with an electrolyte provided therebetween. In the plurality of protrusions, a distance between adjacent protrusions is a distance with which adjacent negative electrode active material layers are in contact with each other before the capacity of the negative electrode active material layer reaches the theoretical capacity of the negative electrode active material layer by insertion of carrier ions from the positive electrode.

    Abstract translation: 公开了一种包括负极和正极的蓄电装置。 负极包括负极集电体，该负极集电体包括公共部分和从公共部分突出的多个突起;以及负极活性物质层，其覆盖突起的侧面。 正电极面对负极，其间设置有电解质。 在多个突起中，相邻的突起之间的距离是在负极活性物质层的电容达到负极活性物质层的理论容量之前，相邻的负极活性物质层彼此接触的距离， 从正极插入载体离子。

    NONAQUEOUS SOLVENT, NONAQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICE
    14.
    发明申请
    NONAQUEOUS SOLVENT, NONAQUEOUS ELECTROLYTE, AND POWER STORAGE DEVICE 有权
    非溶剂溶剂，非电解电解质和电力储存装置

    公开(公告)号：US20130164609A1

    公开(公告)日：2013-06-27

    申请号：US13719562

    申请日：2012-12-19

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Kyosuke ITO ,  Toru Itakura ,  Nobuhiro Inoue ,  Jun Ishikawa ,  Junpei Momo

    IPC: H01M10/0569 ,  H01M10/052

    CPC classification number: H01M10/0569 ,  H01M10/052 ,  H01M2300/0045 ,  Y02E60/122 ,  Y02T10/7011

    Abstract: A power storage device using an organic solvent as a nonaqueous solvent for a nonaqueous electrolyte, in which a CV charging period in CCCV charging can be prevented from being extended and which has high performance, can be provided. The power storage device includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The nonaqueous electrolyte includes an ionic liquid including an alicyclic quaternary ammonium cation having one or more substituents and a counter anion to the alicyclic quaternary ammonium cation, a cyclic ester, and an alkali metal salt. In particular, in the power storage device, the ionic liquid content is greater than or equal to 70 wt % and less than 100 wt % per unit weight of the ionic liquid and the cyclic ester in the nonaqueous electrolyte, or greater than or equal to 50 wt % and less than 80 wt % per unit weight of the nonaqueous electrolyte.

    Abstract translation: 可以提供使用有机溶剂作为非水电解质的非水溶剂的蓄电装置，其中可以防止CCCV充电中的CV充电期延长并且具有高性能。 蓄电装置包括正极，负极和非水电解质。 非水电解质包括离子液体，其包含具有一个或多个取代基的脂环族季铵阳离子和与脂环族季铵阳离子的抗衡阴离子，环状酯和碱金属盐。 特别地，在蓄电装置中，离子液体含量大于或等于70重量％且小于100重量％，每单位重量的离子液体和非水电解质中的环状酯，或大于或等于 50重量％且小于80重量％的每单位重量的非水电解质。

    Document search system and document search method
    15.
    发明授权
    Document search system and document search method 有权

    公开(公告)号：US12169515B2

    公开(公告)日：2024-12-17

    申请号：US17612248

    申请日：2020-05-11

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Kunitaka Yamamoto ,  Junpei Momo ,  Kazuki Higashi

    IPC: G06F16/35 ,  G06F16/93 ,  G06F40/268

    Abstract: A document search system that enables efficient document search regardless of the ability of a user is achieved. Document search is performed using a document search system in which database document data is stored. After first document data and second document data are input to the document search system, the document search system extracts a plurality of terms from the first document data. The extraction of the terms is performed using morphological analysis, for example. Next, the extracted terms are weighted on the basis of the second document data. For example, texts included in a document represented by the second document data are classified into first and second texts. Among the terms extracted from the first document data, the weight of the term included in the first text is set larger than the weights of the other terms. The classification of the texts can be performed in accordance with a rule basis or using machine learning. After that, the similarity of the database document data to the first document data is calculated on the basis of the weighted term.

    Flexible battery and electronic device
    18.
    发明授权
    Flexible battery and electronic device 有权

    公开(公告)号：US10886572B2

    公开(公告)日：2021-01-05

    申请号：US16802923

    申请日：2020-02-27

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Masaki Yamakaji ,  Junpei Momo ,  Ryota Tajima ,  Takahiro Kasahara

    IPC: H01M10/42 ,  H01M10/48 ,  H01M2/02 ,  H01M10/0525

    Abstract: To provide a lithium-ion storage battery or electronic device that is flexible and highly safe. One embodiment of the present invention is a flexible storage battery including a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, an exterior body that surrounds the positive electrode, the negative electrode, and the separator, and a wiring provided along the exterior body. At least part of the wiring is more easily breakable by deformation than the exterior body. The wiring is more vulnerable to deformation than the exterior body and thus damaged earlier than the exterior body. Damage to the wiring is detected and an alert is sent to a user; thus, the use of the storage battery can be stopped before the exterior body is damaged.

    Apparatus, secondary battery, manufacturing method, and electronic device
    20.
    发明授权
    Apparatus, secondary battery, manufacturing method, and electronic device 有权

    公开(公告)号：US10581060B2

    公开(公告)日：2020-03-03

    申请号：US15046877

    申请日：2016-02-18

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Junpei Momo ,  Yohei Momma

    IPC: H01M4/04 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/587

    Abstract: A lithium-ion secondary battery having stable charge characteristics and lifetime characteristics is manufactured. Before the secondary battery is completed, a positive electrode is subjected to an electrochemical reaction in a large amount of electrolyte solution in advance, so that the positive electrode can have stability. The use of the positive electrode enables the secondary battery to be highly reliable. If a negative electrode is also subjected to an electrochemical reaction in a large amount of electrolyte solution in advance, the secondary battery can be more highly reliable.

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