公开(公告)号：US20150147625A1

公开(公告)日：2015-05-28

申请号：US14555946

申请日：2014-11-28

Applicant: GS Yuasa International Ltd.

Inventor： Kenta Nakai ,  Takeshi Sasaki

IPC: H01M10/0567 ,  H01M10/052 ,  H01M2/20

CPC classification number: H01M10/0567 ,  H01M2/204 ,  H01M2/206 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2300/0025

Abstract: The electric storage device includes: an electrode assembly; and an electrolytic solution at least part of which is impregnated into the electrode assembly, wherein the electrode assembly includes, as electrode assembly forming members, at least a positive electrode and a negative electrode that face each other, and contains lithium carbonate, the electrolytic solution contains at least lithium hexafluorophosphate, at least one of the positive electrode and the negative electrode includes an active material layer containing a metal compound, the active material layer includes a peripheral area and an inner area inside the peripheral area, the electrode assembly includes a high-content part the ratio of lithium carbonate content of which is higher than that of the inner area.

Abstract translation: 蓄电装置包括：电极组件; 以及至少一部分被浸渍到所述电极组件中的电解液，其中，所述电极组件包括作为电极组件形成构件的至少相对的正极和负极，并且包含碳酸锂，所述电解液 至少包含六氟磷酸锂，所述正极和负极中的至少一个包括含有金属化合物的活性物质层，所述活性物质层包括周边区域和所述周边区域内部的内部区域，所述电极组件包括高 - 含量比碳酸锂含量高于内部区域的比例。

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。