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公开(公告)号：US11114665B2
公开(公告)日：2021-09-07
申请号：US16328184
申请日：2017-08-28
Applicant: GS Yuasa International Ltd.
Inventor： Masashi Takano , Akihiko Miyazaki
IPC: H01M4/587 , H01G11/26 , H01G11/38 , H01G11/24 , H01G11/32 , H01G11/86 , H01M4/04 , H01M10/0525 , H01M4/02
Abstract: There is provided is an energy storage device having improved power performance at a relatively large current. In the present embodiment, an energy storage device is provided, which has a negative active material layer containing particulate amorphous carbon, wherein a distribution curve of differential pore volume in the negative active material layer has a peak appearing within the range from 0.1 μm to 2 μm inclusive and the differential pore volume at the peak is 0.9 cm3/g or more.
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公开(公告)号：US10116005B2
公开(公告)日：2018-10-30
申请号：US13793640
申请日：2013-03-11
Applicant: GS Yuasa International Ltd.
Inventor： Akihiko Miyazaki , Sumio Mori , Tomonori Kako
IPC: H01M10/0587 , H01M10/04 , H01M10/0525 , H01M2/16 , H01G11/52 , H01M6/10 , H01M10/12 , H01M2/26 , H01M10/28
Abstract: An energy storage device includes: a core; and a wound body including, layered and wound around the core: a positive electrode, a negative electrode, and two separators, one of which is interposed between the positive electrode and the negative electrode and each having a first surface and a second surface. The first surface has thermal bonding properties superior to thermal bonding properties of the second surface, and at least one of the two separators is bonded to the core via the first surface thereof.
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公开(公告)号：US09905822B2
公开(公告)日：2018-02-27
申请号：US14094202
申请日：2013-12-02
Applicant: GS Yuasa International Ltd.
Inventor： Sumio Mori , Tomonori Kako , Akihiko Miyazaki , Kenta Nakai
CPC classification number: H01M2/1077 , H01M2/1094 , H01M2/206 , H01M2/305 , H01M2220/20
Abstract: An energy storage unit having plural energy storage devices, each of which includes a container housing an electrode assembly and positive and negative electrode terminals electrically connected to the electrode assembly and extending from the container in the same direction, includes: a bus bar electrically connecting a first terminal, which is one of the positive electrode terminal and the negative electrode terminal of a first energy storage device included in the plural energy storage devices, and a second terminal, which is one of the positive electrode terminal and the negative electrode terminal of a second energy storage device included in the plural energy storage devices and opposite in polarity to the first terminal; a packing member interposed between the first terminal and the container of the first energy storage device; and an insulating member interposed between the bus bar and the container of the first energy storage device.
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公开(公告)号：US09450222B2
公开(公告)日：2016-09-20
申请号：US14037729
申请日：2013-09-26
Applicant: GS Yuasa International Ltd.
Inventor： Akihiko Miyazaki , Sumio Mori
CPC classification number: H01M2/16 , H01M2/166 , H01M2/1686 , H01M2/18 , H01M2220/20 , Y02E60/122
Abstract: Provided is an electric storage device provided with: a positive electrode including a positive electrode substrate and a positive electrode mixture layer, the positive electrode mixture layer being formed on the positive electrode substrate and containing a positive electrode active material; a negative electrode including a negative electrode substrate and a negative electrode mixture layer, the negative electrode mixture layer being formed on the negative electrode substrate and containing a negative electrode active material; and a separator disposed between the positive electrode and the negative electrode. In the electric storage device, the separator yields a triple value of standard deviation of local air resistance, as measured within a 5-mm diameter circle, of at least 20 seconds/10 cc but not more than 350 seconds/10 cc.
Abstract translation: 提供一种蓄电装置，其具备：具有正极基板和正极合剂层的正极，正极合剂层形成在正极基板上，并含有正极活性物质; 包括负极基板和负极合剂层的负极，所述负极合剂层形成在所述负极基板上并含有负极活性物质; 以及设置在正极和负极之间的隔膜。 在蓄电装置中，分离器产生至少20秒/ 10cc但不超过350秒/ 10cc的在5mm直径圆内测量的局部空气阻力的标准偏差的三重值。
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公开(公告)号：US09397364B2
公开(公告)日：2016-07-19
申请号：US14503657
申请日：2014-10-01
Applicant: GS Yuasa International Ltd.
Inventor： Akihiko Miyazaki , Sumio Mori , Tomonori Kako , Kenta Nakai
CPC classification number: H01M10/0431 , H01M2/02 , H01M2/0202 , H01M2/0217 , H01M2/0237 , H01M2/0277 , H01M2/18
Abstract: An electric storage device includes: an electrode assembly in which electrodes are wound such that paired curved portions and a straight portion connecting the paired curved portions are formed; a case which houses the electrode assembly, the case comprising a convex part protruding toward the straight portion of the electrode assembly to support the straight portion; and a support portion which supports the curved portion toward an inside of the electrode assembly.
Abstract translation: 一种蓄电装置，其特征在于，包括：电极组合体，其中形成电极，使得成对的弯曲部分和连接所述成对弯曲部分的直线部分形成; 容纳电极组件的壳体，所述壳体包括朝向所述电极组件的直线部分突出以支撑所述直线部分的凸部; 以及支撑部分，其将弯曲部分朝向电极组件的内部支撑。
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Patent Agency Ranking
公开(公告)号：US09054388B2
公开(公告)日：2015-06-09
申请号：US13864133
申请日：2013-04-16
Applicant: GS Yuasa International, Ltd.
Inventor： Akihiko Miyazaki , Sumio Mori , Tomonori Kako
IPC: H01M4/00 , H01M10/04 , H01M2/16 , H01M10/0587
CPC classification number: H01M10/0431 , H01M2/1686 , H01M10/0468 , H01M10/0587 , Y10T29/49114 , Y10T29/53135
Abstract: Provided is an energy storage device which employs the use of a separator provided with a layer having poor thermal properties such as a heat resistant coated layer and is capable of inhibiting a decrease in performance. The energy storage device includes: a wound body including a positive electrode, a negative electrode, and separators which are layered and wound, the separators being interposed between the positive electrode and the negative electrode and having a first surface and a second surface, the first surface having thermal bonding properties superior to thermal bonding properties of the second surface; and an insulation sheet wound around an outermost layer of the wound body. At least one of the separators is bonded to the insulation sheet via the first surface thereof.
Abstract translation: 提供一种能量储存装置，其使用具有耐热性能差的层的隔膜，例如耐热涂层，并且能够抑制性能的降低。 能量存储装置包括：卷绕体，其包括正极，负极和层叠并卷绕的隔板，所述隔板插入在正极和负极之间并具有第一表面和第二表面，第一 具有优于第二表面的热粘合性能的热粘合性能的表面; 以及缠绕在所述卷绕体的最外层的绝缘片。 至少一个分离器经由其第一表面结合到绝缘片。
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17.发明授权Energy storage element, method of producing energy storage element, and non-aqueous electrolyte 有权蓄能元件，储能元件的制造方法以及非水电解质公开(公告)号：US08986881B2
公开(公告)日：2015-03-24
申请号：US13739170
申请日：2013-01-11
Applicant: GS Yuasa International Ltd.
Inventor： Tomonori Kako , Sumio Mori , Kenta Nakai , Akihiko Miyazaki
IPC: H01M10/26 , H01M10/0567 , H01M4/131 , H01M10/056 , H01M4/505 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M10/0525 , H01M10/44
CPC classification number: H01M10/056 , H01M4/131 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M10/44 , Y02E60/122 , Y10T29/49108
Abstract: An energy storage element, wherein a non-aqueous electrolyte contains lithium difluorobis(oxalato)phosphate that is a first additive represented by Formula (1): and lithium tetrafluorooxalatophosphate that is a second additive represented by Formula (2): wherein the amount of the first additive to be added is not less than 0.3% by weight and not more than 1.0% by weight based on the total weight of the non-aqueous electrolyte, and the amount of the second additive to be added is not less than 0.05 times and not more than 0.3 times the amount of the first additive to be added.
Abstract translation: 一种能量储存元件，其中非水电解质含有作为由式（1）表示的第一种添加剂的二氟双（草酸）磷酸锂和作为由式（2）表示的第二添加剂的四氟草酸磷酸锂：其中， 第一添加剂的添加量相对于非水电解质的总重量为0.3重量％以上1.0重量％以下，第二添加剂的添加量不低于0.05倍， 不超过第一种添加剂添加量的0.3倍。
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公开(公告)号：US20140295220A1
公开(公告)日：2014-10-02
申请号：US14227394
申请日：2014-03-27
Applicant: GS Yuasa International Ltd.
Inventor： Sumio Mori , Tomonori Kako , Akihiko Miyazaki , Kenta Nakai
CPC classification number: H01M2/12 , H01G9/12 , H01G11/18 , H01M2/024 , H01M2/0478 , H01M2/1077 , H01M2/263 , H01M2/305 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6557 , Y02E60/13
Abstract: An electric storage device is provided with an electrode assembly including a positive electrode plate and a negative electrode plate; a case for housing the electrode assembly; a positive-electrode external terminal arranged on an outer surface of the case and electrically connected to the positive electrode plate; a negative-electrode external terminal arranged on an outer surface of the case and electrically connected to the negative electrode plate; and a gas exhaust valve formed in a region of the case on the opposite side of a region where the positive-electrode external terminal and the negative-electrode external terminal are arranged.
Abstract translation: 蓄电装置设置有包括正极板和负极板的电极组件; 用于容纳电极组件的壳体; 正极外部端子，布置在壳体的外表面上并电连接到正极板; 负极外部端子，其布置在所述壳体的外表面上并电连接到所述负极板; 以及形成在壳体的与配置有正极外部端子和负极外部端子的区域的相对侧的区域中的排气阀。
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公开(公告)号：US20140154557A1
公开(公告)日：2014-06-05
申请号：US14094247
申请日：2013-12-02
Applicant: GS Yuasa International Ltd.
Inventor： Sumio MORI , Kenta Nakai , Akihiko Miyazaki , Tomonori Kako
IPC: H01M4/587 , H01M10/0525
CPC classification number: H01M4/587 , H01M2/26 , H01M2/263 , H01M4/13 , H01M4/133 , H01M10/0525 , H01M10/0567 , H01M2004/021 , Y02E60/122 , Y02T10/7011
Abstract: An energy storage device including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte, wherein the negative electrode includes a negative electrode active material layer containing a non-graphitizable carbon as a negative electrode active material, and the negative electrode active material has a negative electrode active material weight per unit volume of the negative electrode active material layer of 0.92 g/cc or more and 1.13 g/cc or less and a particle size D90 of 4.3 μm or more and 11.5 μm or less, the particle size D90 being a particle size in particle size distribution in which a cumulative volume is 90%.
Abstract translation: 一种蓄电装置，其特征在于，具备正极，负极，配置在所述正极和所述负极之间的隔板以及非水电解质的蓄电装置，所述负极包括含有不可石墨化碳的负极活性物质层 负极活性物质，负极活性物质的负极活性物质层的单位面积负极活性物质重量为0.92g / cc以上且1.13g / cc以下，粒径D90为4.3 μm以上且11.5μm以下，粒径D90为累积体积为90％的粒度分布的粒径。
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公开(公告)号：US12100838B2
公开(公告)日：2024-09-24
申请号：US17274668
申请日：2019-09-10
Applicant: GS Yuasa International Ltd.
Inventor： Kenta Ogi , Fumiya Nakano , Ryosuke Shimokawa , Shota Ito , Masaki Masuda , Taro Yamafuku , Kei Kumabayashi , Akihiko Miyazaki
IPC: H01M4/587 , H01G11/32 , H01G11/78 , H01G11/86 , H01M4/02 , H01M4/133 , H01M4/1393 , H01M50/574 , H01M50/578
CPC classification number: H01M4/587 , H01G11/32 , H01G11/78 , H01G11/86 , H01M4/133 , H01M4/1393 , H01M50/574 , H01M50/578 , H01M2004/021 , H01M2004/027
Abstract: An aspect of the present invention is an energy storage device including an electrode assembly that has a negative electrode and a positive electrode, where the negative electrode contains a negative electrode substrate and a negative active material, and has a negative active material layer disposed in an unpressed shape along at least one surface of the negative electrode substrate, the negative active material includes solid graphite particles as a main component, and the solid graphite particles have an aspect ratio of 1 or more and 5 or less.
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