公开(公告)号：US11258065B2

公开(公告)日：2022-02-22

申请号：US16069929

申请日：2017-01-13

Applicant: GS Yuasa International Ltd.

Inventor： Shota Ito ,  Kenta Nakai ,  Akihiko Miyazaki ,  Tomonori Kako ,  Sumio Mori

IPC: H01M4/02 ,  H01G11/06 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/13 ,  H01M10/058 ,  H01G11/42 ,  H01G11/32 ,  H01G11/26 ,  H01G11/50 ,  H01G11/24

Abstract: An energy storage device includes: a positive electrode plate containing a positive composite layer including a positive active material capable of occluding and releasing a lithium ion; and a negative electrode plate containing a negative composite layer including a negative active material capable of occluding and releasing a lithium ion. A peak pore diameter Rp of the positive composite layer in a pore distribution measured by a mercury penetration method is 0.5 μm or less, and a peak pore diameter Rn of the negative composite layer in a pore distribution measured by a mercury penetration method is 0.5 μm or less. A ratio Rp/Rn of the peak pore diameter of the positive composite layer to the peak pore diameter of the negative composite layer is 0.60 or more and 1.70 or less.

公开(公告)号：US10833349B2

公开(公告)日：2020-11-10

申请号：US15068915

申请日：2016-03-14

Applicant: GS Yuasa International Ltd.

Inventor： Kenta Nakai ,  Tomonori Kako ,  Akihiko Miyazaki ,  Sumio Mori

IPC: H01M10/04 ,  H01M10/0583 ,  H01M2/16 ,  H01G11/52 ,  H01G11/26 ,  H01G11/76 ,  H01G11/82 ,  H01G11/12 ,  H01G11/06

Abstract: An energy storage device includes: an electrode assembly which includes: an approximately rectangular positive electrode; an approximately rectangular negative electrode which is stacked alternately with the positive electrode; and a strip-like elongated separator having a base material layer and an inorganic layer which is made to overlap with the first base material layer, wherein the elongated separator is arranged between the positive electrode and the negative electrode, and the base material layer of the elongated separator faces the negative electrode in an opposed manner between the positive electrode and the negative electrode.

公开(公告)号：US09865878B2

公开(公告)日：2018-01-09

申请号：US15072506

申请日：2016-03-17

Applicant: GS Yuasa International Ltd.

Inventor： Kenta Nakai ,  Akihiko Miyazaki ,  Tomonori Kako ,  Sumio Mori

IPC: H01M4/00 ,  H01M4/587 ,  H01M4/131 ,  H01M10/0525 ,  H01G11/24 ,  H01G11/52 ,  H01G11/58 ,  H01M4/02

CPC classification number: H01M4/587 ,  H01G11/24 ,  H01G11/52 ,  H01G11/58 ,  H01M4/131 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2220/20 ,  Y02T10/7011

Abstract: An energy storage device includes a positive electrode, a negative electrode, and a nonaqueous electrolyte solution. The negative electrode includes an active material layer, and the active material layer has pores having a pore size of 0.1 μm or more and 1.0 μm or less, and a total volume of the pores is 0.26 cm3/g or more and 0.46 cm3/g or less.

公开(公告)号：US09761876B2

公开(公告)日：2017-09-12

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 ,  H01M4/133 ,  H01M2/26 ,  H01M4/13 ,  H01M4/02 ,  H01M10/0567

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%.

公开(公告)号：US20140376160A1

公开(公告)日：2014-12-25

申请号：US14307421

申请日：2014-06-17

Applicant: GS Yuasa International Ltd.

Inventor： Tomonori Kako ,  Sumio Mori ,  Akihiko Miyazaki

IPC: H01M4/13 ,  H01M10/0569 ,  H01G9/028 ,  H01M4/62 ,  H01G9/15 ,  H01M2/16 ,  H01M10/0525

CPC classification number: H01M4/13 ,  H01G9/028 ,  H01G9/15 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M4/622 ,  H01M10/0525 ,  H01M10/0569

Abstract: An electric storage device includes: a positive electrode; a negative electrode; and a separator placed between the positive electrode and the negative electrode. The positive electrode includes a positive electrode substrate, a positive active material layer formed on the positive electrode substrate, and a protective layer that covers at least one of side surfaces in a width direction of the positive active material layer. The negative electrode includes a negative electrode substrate and a negative active material layer formed on the negative electrode substrate. The separator includes a separator substrate opposed to the negative active material layer, and an inorganic layer containing a binder, the inorganic layer formed on the separator substrate and opposed to the positive active material layer.

Abstract translation: 蓄电装置包括：正极; 负极; 以及设置在正极和负极之间的隔膜。 正极包括正电极基板，形成在正极基板上的正极活性物质层和覆盖正极活性物质层的宽度方向的至少一个侧面的保护层。 负极包括在负极基板上形成的负极基板和负极活性物质层。 隔板包括与负极活性物质层相对的隔板基板和含有粘合剂的无机层，无机层形成在隔板基板上并与正极活性物质层相对。

公开(公告)号：US20140295245A1

公开(公告)日：2014-10-02

申请号：US14227416

申请日：2014-03-27

Applicant: GS Yuasa International Ltd.

Inventor： Akihiko Miyazaki

IPC: H01M2/16

CPC classification number: H01M2/1673 ,  H01M2/145 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M2/18 ,  H01M10/0525 ,  H01M10/0587 ,  Y02E60/122 ,  Y02T10/7011

Abstract: An electric storage device includes: a container; an electrode assembly contained in the container, the electrode assembly including a positive electrode having a positive electrode substrate and a positive electrode active material layer that is formed on the positive electrode substrate and contains a positive electrode active material, a negative electrode having a negative electrode substrate and a negative electrode active material layer that is formed on the negative electrode substrate and contains a negative electrode active material, and a separator interposed between the positive and negative electrodes; and an electrolyte contained in the container, wherein the separator is configured such that a stress caused at a specific compressed depth in the separator, which corresponds to 5% of the thickness of the negative electrode active material layer, is 0.5 MPa or more and 14 MPa or less. An electric storage apparatus includes a plurality of electric storage devices described above.

Abstract translation: 蓄电装置包括：容器; 包含在容器中的电极组件，电极组件包括具有正极基板的正极和形成在正极基板上并包含正极活性物质的正极活性物质层，负极具有负极 基板和形成在负极基板上并含有负极活性物质的负极活性物质层和插入在正极和负极之间的隔膜; 以及容纳在容器内的电解液，其特征在于，所述隔板的构成是，使所述隔板的特定压缩深度的应力相当于所述负极活性物质层的厚度的5％为0.5MPa以上且14以下 MPa以下。 一种蓄电装置，具备上述多个蓄电装置。

公开(公告)号：US20140154559A1

公开(公告)日：2014-06-05

申请号：US14094202

申请日：2013-12-02

Applicant: GS Yuasa International Ltd.

Inventor： Sumio Mori ,  Tomonori Kako ,  Akihiko Miyazaki ,  Kenta Nakai

IPC: H01M2/10

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.

Abstract translation: 一种能量存储单元，具有多个能量存储装置，每个能量存储装置包括容纳电极组件的容器和电连接到所述电极组件并沿着相同方向从容器延伸的正极和负极端子，包括：母线，其将 第一端子，其是包括在多个储能装置中的第一储能装置的正极端子和负极端子之一，以及作为第一端子的正极端子和负极端子之一 第二能量存储装置，包括在所述多个储能装置中，并且与所述第一端子极性相反; 插入在第一能量存储装置的第一端子和容器之间的包装件; 以及介于所述母线和所述第一能量存储装置的容器之间的绝缘构件。

公开(公告)号：US20140017549A1

公开(公告)日：2014-01-16

申请号：US13937720

申请日：2013-07-09

Applicant: GS Yuasa International Ltd.

Inventor： Akihiko Miyazaki ,  Sumio Mori ,  Tomonori Kako ,  Kenta Nakai

IPC: H01M4/583

CPC classification number: H01M4/583 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0587 ,  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 non-graphitizable carbon as a negative electrode active material, and the separator has a thickness of 10 to 30 μm and an air permeability of 10 to 180 sec/100 cc.

Abstract translation: 一种蓄电装置，其特征在于，具备正极，负极，配置在所述正极和负极之间的隔板以及非水电解质，其中，所述负极包含作为负极活性物质的不可石墨化碳， 隔膜的厚度为10〜30μm，透气度为10〜180秒/ 100cc。

公开(公告)号：US20130183580A1

公开(公告)日：2013-07-18

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: H01M10/056

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％以上且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。

公开(公告)号：US20130143089A1

公开(公告)日：2013-06-06

申请号：US13687418

申请日：2012-11-28

Applicant: GS Yuasa International Ltd.

Inventor： Minoru Teshima ,  Sumio Mori ,  Akihiko Miyazaki

IPC: H01M2/16

CPC classification number: H01M2/16 ,  H01M2/164 ,  H01M2/1646 ,  H01M2/1686 ,  H01M10/052 ,  H01M10/0587 ,  Y02E60/122

Abstract: A separator for a battery according to the present disclosure (present separator) is held between a positive electrode and a negative electrode of the battery and includes an inorganic layer formation part and an inorganic layer non-formation part formed at an end. In addition, a nonaqueous electrolytic secondary battery according to the present disclosure includes: an electrode assembly including: a positive electrode having an active material layer including a positive electrode active material and a positive electrode current collector foil exposure part; a negative electrode having an active material layer including a negative electrode active material and a negative electrode current collector foil exposure part; and the present separator held between the positive electrode and the negative electrode; a case for housing the electrode assembly; and an electrolyte held between the positive electrode and the negative electrode.

Abstract translation: 根据本公开的电池用隔膜（本分离器）保持在电池的正极和负极之间，并且包括无机层形成部和形成在端部的无机层非形成部。 另外，根据本公开的非水电解质二次电池包括：电极组件，包括：正极，具有包含正极活性物质和正极集电体箔曝光部分的活性物质层; 具有负极活性物质和负极集电箔曝光部的活性物质层的负极， 并且本分离器保持在正极和负极之间; 用于容纳电极组件的壳体; 以及保持在正极和负极之间的电解质。