公开(公告)号：US11621417B2

公开(公告)日：2023-04-04

申请号：US16765203

申请日：2018-11-21

Applicant: GS Yuasa International Ltd.

Inventor： Sumio Mori ,  Tomonori Kako ,  Akihiko Miyazaki ,  Masashi Takano ,  Ukyo Harinaga

IPC: H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525

Abstract: The present embodiment provides a lithium ion secondary battery including a positive electrode containing LiaNixCoyMzO2 (0.9≤a≤1.2, 0.3≤x≤0.8, 0.2≤y+z≤0.7, where M is a metal element other than Li, Ni, and Co) as a positive active material, and a negative electrode containing non-graphitic carbon as a negative active material. In this lithium ion secondary battery, at a portion where the positive electrode and the negative electrode face each other, a basis weight (P) of the positive active material and a basis weight (N) of the negative active material satisfy a relational expression of 0.65≤P/N≤1.05.

公开(公告)号：US11515537B2

公开(公告)日：2022-11-29

申请号：US16763173

申请日：2018-11-21

Applicant: GS Yuasa International Ltd.

Inventor： Tomonori Kako ,  Akihiko Miyazaki ,  Masashi Takano ,  Kenta Nakai ,  Ukyo Harinaga

IPC: H01M4/00 ,  H01M4/587 ,  H01M4/133 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M4/02

Abstract: An energy storage device includes a negative electrode having a negative active material layer containing amorphous carbon as an active material, a curve attained by determining a rate of change (dQ/dV) in a potential (V) of the amorphous carbon in a discharge capacity (Q) of the amorphous carbon per unit quantity based on a result attained by measuring the potential (V) with respect to the discharge capacity (Q) and representing the rate of change (dQ/dV) with respect to the potential (V) has one or more peaks in a range in which the potential of the amorphous carbon is 0.8 V or more and 1.5 V or less, and a potential of the negative electrode at time of full charge is 0.25 V or more with respect to a lithium potential.

公开(公告)号：US09806376B2

公开(公告)日：2017-10-31

申请号：US14833558

申请日：2015-08-24

Applicant: GS Yuasa International Ltd.

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

IPC: H01M10/0567 ,  H01M4/587 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  C01P2004/60 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2300/004

Abstract: Provided is an energy storage device including an electrolyte solution including a compound represented by the general formula (1), a compound represented by the general formula (2), and a compound represented by the general formula (3):

公开(公告)号：US09653714B2

公开(公告)日：2017-05-16

申请号：US14227394

申请日：2014-03-27

Applicant: GS Yuasa International Ltd.

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

IPC: H01M2/12 ,  H01M2/02 ,  H01M2/04 ,  H01M2/10 ,  H01M2/26 ,  H01M2/30 ,  H01G9/12 ,  H01G11/18 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6557 ,  H01M10/613

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.

公开(公告)号：US09490462B2

公开(公告)日：2016-11-08

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 ,  H01M10/052 ,  H01M10/0587

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板（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。

公开(公告)号：US09484565B2

公开(公告)日：2016-11-01

申请号：US13855029

申请日：2013-04-02

Applicant: GS Yuasa International Ltd.

Inventor： Akihiko Miyazaki ,  Sumio Mori ,  Tomonori Kako

IPC: H01M2/16 ,  H01M4/485 ,  H01M10/0525

CPC classification number: H01M2/1686 ,  H01M2/1646 ,  H01M2/1653 ,  H01M4/485 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011

Abstract: In an energy storage device including a positive electrode plate and a negative electrode plate that are insulated from each other with a separator interposed therebetween, and a non-aqueous electrolyte, the separator includes a base material layer and a coating layer that is disposed on at least one surface of the base material layer, and the separator has an air permeability of the base material layer of 25 (sec/100 cc) or greater and 250 (sec/100 cc) or less, a porosity of the base material layer of 45% or greater, an air permeability of an interface between the base material layer and the coating layer of 15 (sec/100 cc) or less, and an air permeability of the coating layer of 15 (sec/100 cc) or less.

Abstract translation: 在包括隔着隔膜相互绝缘的正极板和负极板的能量存储装置和非水电解质中，隔板包括基材层和设置在其上的涂层 基材层的至少一个表面，隔板的基材层的透气度为25（秒/ 100cc）以上且250（秒/ 100cc）以下，基材层的孔隙率为 45％以上，基材层与涂层之间的界面的透气度为15（sec / 100cc）以下，涂层的透气度为15（sec / 100cc）以下。

公开(公告)号：US20130266866A1

公开(公告)日：2013-10-10

申请号：US13855029

申请日：2013-04-02

Applicant: GS YUASA INTERNATIONAL LTD.

Inventor： Akihiko Miyazaki ,  Sumio Mori ,  Tomonori Kako

IPC: H01M2/16

CPC classification number: H01M2/1686 ,  H01M2/1646 ,  H01M2/1653 ,  H01M4/485 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011

Abstract: In an energy storage device including a positive electrode plate and a negative electrode plate that are insulated from each other with a separator interposed therebetween, and a non-aqueous electrolyte, the separator includes a base material layer and a coating layer that is disposed on at least one surface of the base material layer, and the separator has an air permeability of the base material layer of 25 (sec/100 cc) or greater and 250 (sec/100 cc) or less, a porosity of the base material layer of 45% or greater, an air permeability of an interface between the base material layer and the coating layer of 15 (sec/100 cc) or less, and an air permeability of the coating layer of 15 (sec/100 cc) or less.

Abstract translation: 在包括隔着隔膜相互绝缘的正极板和负极板的能量存储装置和非水电解质中，隔板包括基材层和设置在其上的涂层 基材层的至少一个表面，隔板的基材层的透气度为25（秒/ 100cc）以上且250（秒/ 100cc）以下，基材层的孔隙率为 45％以上，基材层与涂层之间的界面的透气度为15（sec / 100cc）以下，涂层的透气度为15（sec / 100cc）以下。