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公开(公告)号：US10056578B2
公开(公告)日：2018-08-21
申请号：US15492015
申请日：2017-04-20
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Ryota Tajima , Minoru Takahashi , Junya Goto , Takuya Miwa
IPC: H01M2/00 , H01M2/02 , H01M10/0525 , H01M10/0585
CPC classification number: H01M2/0275 , H01M2/021 , H01M2/0277 , H01M2/18 , H01M2/26 , H01M4/13 , H01M10/0436 , H01M10/052 , H01M10/0525 , H01M10/058 , H01M10/0585 , H01M2220/30
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 that is durable even when force is externally applied thereto is provided. A region that is easily partly bent and a region that is not easily partly bent owing to a protective material provided in the region are intentionally formed to obtain the durable secondary battery.
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公开(公告)号：US09929408B2
公开(公告)日：2018-03-27
申请号：US14528579
申请日：2014-10-30
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Nobuhiro Inoue , Ryota Tajima , Naoki Kurihara , Junpei Momo
CPC classification number: H01M4/80 , H01M4/0404 , H01M4/134 , H01M4/1395 , H01M4/38 , H01M4/387 , H01M4/661 , H01M4/668 , H01M2220/30
Abstract: To inhibit degradation of charge and discharge cycle characteristics of a secondary battery. To suppress generation of defects due to expansion and contraction of an active material in a negative electrode. To inhibit deterioration of an electrode due to changes in its form. An electrode member including a current collector, an active material, and a porous body is used. The porous body is in contact with one surface of the current collector and includes a plurality of spaces. The active material is located in the space in the porous body. The space has a larger size than the active material.
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公开(公告)号：US09911973B2
公开(公告)日：2018-03-06
申请号：US14472962
申请日：2014-08-29
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Ryota Tajima , Shunpei Yamazaki , Teppei Oguni , Takeshi Osada , Shinya Sasagawa , Kazutaka Kuriki
IPC: H01M4/36 , H01M4/133 , B82Y30/00 , H01M4/134 , H01M4/1395 , H01M4/38 , H01M4/62 , H01M10/0525 , H01M10/46
CPC classification number: H01M4/133 , B82Y30/00 , H01M4/134 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/625 , H01M10/0525 , H01M10/465 , Y02E60/122 , Y02T10/7011
Abstract: A power storage device which has high charge/discharge capacity and less deterioration in battery characteristics due to charge/discharge and can perform charge/discharge at high speed is provided. A power storage device includes a negative electrode. The negative electrode includes a current collector and an active material layer provided over the current collector. The active material layer includes a plurality of protrusions protruding from the current collector and a graphene provided over the plurality of protrusions. Axes of the plurality of protrusions are oriented in the same direction. A common portion may be provided between the current collector and the plurality of protrusions.
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公开(公告)号：US09911971B2
公开(公告)日：2018-03-06
申请号：US15618460
申请日：2017-06-09
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Nobuhiro Inoue , Kai Kimura , Sachiko Kataniwa , Ryota Tajima
IPC: H01M4/00 , H01M4/131 , H01M4/36 , H01G11/50 , H01M4/134 , H01M4/133 , H01G11/46 , H01M10/0525 , H01G11/66 , H01G11/68 , H01M4/48 , H01G11/28 , H01M4/62 , H01G11/58 , H01G11/06 , H01M4/485 , H01M4/1393 , H01M4/38 , H01M4/02
CPC classification number: H01M4/131 , H01G11/06 , H01G11/28 , H01G11/46 , H01G11/50 , H01G11/58 , H01G11/66 , H01G11/68 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/362 , H01M4/366 , H01M4/386 , H01M4/483 , H01M4/485 , H01M4/62 , H01M4/628 , H01M10/0525 , H01M2004/027 , Y02E60/122 , Y02E60/13 , Y02P70/54 , Y02T10/7022
Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.
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公开(公告)号：US09735443B2
公开(公告)日：2017-08-15
申请号：US13858237
申请日：2013-04-08
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Minoru Takahashi , Ryota Tajima
IPC: H01M10/04
CPC classification number: H01M10/0436 , H01M2010/0495 , H01M2300/0082 , Y10T29/49108
Abstract: To provide a flexible, highly reliable, and sheet-like power storage device. The power storage device including a flexible substrate; a positive electrode lead and a negative electrode lead over the flexible substrate; and a plurality of power storage elements over the flexible substrate. The plurality of power storage elements each includes a stack body including a sheet-like positive electrode; a sheet-like negative electrode; and an electrolyte therebetween in an exterior body. An edge portion of the sheet-like positive electrode which extends to the outside of the exterior body is electrically connected to the positive electrode lead through a positive electrode tab provided for the exterior body. An edge portion of the sheet-like negative electrode which extends to the outside of the exterior body is electrically connected to the negative electrode lead through a negative electrode tab provided for the exterior body.
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Patent Agency Ranking
公开(公告)号：US09660298B2
公开(公告)日：2017-05-23
申请号：US14744151
申请日：2015-06-19
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Kazutaka Kuriki , Ryota Tajima , Tamae Moriwaka
IPC: H01M10/0562 , H01M10/0565 , H01M10/0585 , H01G11/46 , H01G11/56 , H01M10/052
CPC classification number: H01L27/13 , H01G11/08 , H01G11/46 , H01G11/56 , H01G11/84 , H01L27/1225 , H01L27/124 , H01L27/1248 , H01L27/1255 , H01L27/1259 , H01L29/24 , H01L29/66969 , H01L29/7869 , H01M10/052 , H01M10/0562 , H01M10/0565 , H01M10/0585 , H01M2300/0065 , H01M2300/0071 , H01M2300/0082 , Y02E60/122 , Y02E60/13 , Y02P70/54 , Y10T29/49115
Abstract: Disclosed is a power storage element including a positive electrode current collector layer and a negative electrode current collector layer which are arranged on the same plane and can be formed through a simple process. The power storage element further includes a positive electrode active material layer on the positive electrode current collector layer; a negative electrode active material layer on the negative electrode current collector layer; and a solid electrolyte layer in contact with at least the positive electrode active material layer and the negative electrode active material layer. The positive electrode active material layer and the negative electrode active material layer are formed by oxidation treatment.
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公开(公告)号：US20150333359A1
公开(公告)日：2015-11-19
申请号：US14709950
申请日：2015-05-12
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Minoru TAKAHASHI , Ryota Tajima , Takuya Miwa , Yuugo Goto
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 that is durable even when force is externally applied thereto is provided. A cushioning material is provided in a region surrounded by an exterior body of a secondary battery. Specifically, a cushioning material is provided on the periphery of a current collector such that a sealing portion of an exterior body (film) is located outside the cushioning material.
Abstract translation: 在将具有比金属罐低的强度的膜用作二次电池的外部主体的情况下，设置在由外部主体包围的区域中的集电体，设置在外部主体的表面上的活性物质层 集电器等可能会在外部施加到二次电池上时损坏。 提供即使在外部施加力时也耐用的二次电池。 缓冲材料设置在由二次电池的外部主体围绕的区域中。 具体而言，在集电体的周围设置有缓冲材料，使得外部体（膜）的密封部位于缓冲材料的外侧。
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公开(公告)号：US09183995B2
公开(公告)日：2015-11-10
申请号：US13898509
申请日：2013-05-21
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Nobuhiro Inoue , Kai Kimura , Sachiko Kataniwa , Ryota Tajima
IPC: H01M4/00 , H01G11/68 , H01M4/62 , H01M4/1393 , H01M4/133 , H01M4/36 , H01G11/06 , H01G11/28 , H01G11/50
CPC classification number: H01M4/131 , H01G11/06 , H01G11/28 , H01G11/46 , H01G11/50 , H01G11/58 , H01G11/66 , H01G11/68 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/362 , H01M4/366 , H01M4/386 , H01M4/483 , H01M4/485 , H01M4/62 , H01M4/628 , H01M10/0525 , H01M2004/027 , Y02E60/122 , Y02E60/13 , Y02P70/54 , Y02T10/7022
Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.
Abstract translation: 在锂离子电池或锂离子电容器的重复充放电中，作为充放电的副反应引起的电解液等的分解反应最小化，锂离子电池或锂离子电容器可以具有 长期循环性能。 蓄电装置的负极包括负极集电体和负极活性物质层，该负极活性物质层包含多个负极活性物质的粒子。 负极活性物质的每个颗粒在其表面的一部分上具有含有第一无机化合物的无机化合物膜。 负极活性物质层具有与负极活性物质的露出部分和无机化合物膜的一部分接触的膜。 该膜含有有机化合物和第二无机化合物。
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公开(公告)号：US20130323585A1
公开(公告)日：2013-12-05
申请号：US13898509
申请日：2013-05-21
Applicant: Semiconductor Energy Laboratory CO., LTD.
Inventor： Nobuhiro Inoue , Kai Kimura , Sachiko Kataniwa , Ryota Tajima
IPC: H01G11/68 , H01M4/1393 , H01M4/62
CPC classification number: H01M4/131 , H01G11/06 , H01G11/28 , H01G11/46 , H01G11/50 , H01G11/58 , H01G11/66 , H01G11/68 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/362 , H01M4/366 , H01M4/386 , H01M4/483 , H01M4/485 , H01M4/62 , H01M4/628 , H01M10/0525 , H01M2004/027 , Y02E60/122 , Y02E60/13 , Y02P70/54 , Y02T10/7022
Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.
Abstract translation: 在锂离子电池或锂离子电容器的重复充放电中，作为充放电的副反应引起的电解液等的分解反应最小化，锂离子电池或锂离子电容器可以具有 长期循环性能。 蓄电装置的负极包括负极集电体和负极活性物质层，该负极活性物质层包含多个负极活性物质的粒子。 负极活性物质的每个颗粒在其表面的一部分上具有含有第一无机化合物的无机化合物膜。 负极活性物质层具有与负极活性物质的露出部分和无机化合物膜的一部分接触的膜。 该膜含有有机化合物和第二无机化合物。
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120.发明申请公开(公告)号：US20130249054A1
公开(公告)日：2013-09-26
申请号：US13797023
申请日：2013-03-12
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Kazutaka Kuriki , Ryota Tajima , Tamae Morikawa , Junpei Momo
IPC: H01G9/28 , H01M10/052 , H01M4/64 , H01M10/0562 , H01G9/15 , H01G9/025
CPC classification number: H01G9/28 , H01G9/025 , H01G9/15 , H01G11/06 , H01G11/08 , H01G11/28 , H01G11/50 , H01G11/56 , H01L28/40 , H01M4/64 , H01M10/052 , H01M10/0562 , H01M10/0585 , Y02E60/13 , Y02P70/54 , Y02T10/7011 , Y02T10/7022
Abstract: Disclosed is a power storage element including a positive electrode current collector layer and a negative electrode current collector layer which are arranged on the same plane. The power storage element further includes a positive electrode active material layer over the positive electrode current collector layer and a negative electrode active material layer over the negative electrode current collector layer. An electrolyte layer in contact with at least the positive electrode active material layer and the negative electrode active material layer is provided. The electrolyte layer may be a solid electrolyte layer.
Abstract translation: 公开了一种蓄电元件，其包括配置在同一平面上的正极集电体层和负极集电体层。 蓄电元件还包括正极集电层上的正极活性物质层和负极集电体层上的负极活性物质层。 提供与至少正极活性物质层和负极活性物质层接触的电解质层。 电解质层可以是固体电解质层。
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