公开(公告)号：US10193107B2

公开(公告)日：2019-01-29

申请号：US14777460

申请日：2014-03-25

Applicant: GS YUASA INTERNATIONAL LTD. ,  HONDA MOTOR CO., LTD.

Inventor： Masakazu Tsutsumi ,  Takuma Tonari

IPC: H01M2/02 ,  H01M2/20 ,  H01G11/82 ,  H01G11/22 ,  H01G11/80 ,  H01M10/0525 ,  H01G11/74 ,  H01M2/06 ,  H01M2/30 ,  H01G11/10

Abstract: Provided is an electric storage device and an electric storage apparatus capable of suppressing an increase in thickness of a conductive member due to a rivet member being swaged. The present invention includes a rivet member provided with an insert part, and a conductive member provided with an insert-receiving part through which the insert part is inserted. The insert part has a higher Vickers hardness than the peripheral region of the insert-receiving part.

公开(公告)号：USD836554S1

公开(公告)日：2018-12-25

申请号：US29616418

申请日：2017-09-06

Applicant: GS Yuasa International Ltd.

Designer： Yuichiro Yamamoto ,  Shogo Tsuruta

公开(公告)号：US20180366773A1

公开(公告)日：2018-12-20

申请号：US16061953

申请日：2016-12-14

Applicant: GS Yuasa International Ltd.

Inventor： Daisuke ENDO ,  Takashi SHIMIZU

IPC: H01M10/0525 ,  H01M4/52 ,  H01M4/50 ,  H01M4/38 ,  H01M10/04 ,  H01M10/056

CPC classification number: H01M10/0525 ,  C01G53/006 ,  C01G53/50 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2002/85 ,  C01P2004/34 ,  C01P2006/11 ,  H01M4/382 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/056 ,  H01M10/0566

Abstract: The positive active material for a lithium secondary battery includes a lithium transition metal composite oxide having an α-NaFeO2 structure, and having a diffraction peak at 2 θ=44±1° and a diffraction peak at 2 θ=18.6±1° in a powder X-ray diffraction diagram using a CuKα ray. In a ratio FWHM (003)/FWHM (104) of a full width at half maximum FWHM (003) for the diffraction peak at 2 θ=18.6±1° to a full width at half maximum FWHM (104) for the diffraction peak at 20 θ=44±1°, a ratio of FWHM (003)/FWHM (104) in a charge state immediately after a discharge state to FWHM (003)/FWHM (104) in the discharge state is 0.72 or more.

公开(公告)号：US20180358614A1

公开(公告)日：2018-12-13

申请号：US16060690

申请日：2016-12-08

Applicant: GS Yuasa International Ltd.

Inventor： Akifumi KIKUCHI

IPC: H01M4/485 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/485 ,  H01M4/13 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/62 ,  H01M4/623 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/20

Abstract: One aspect of the present invention is a nonaqueous electrolyte energy storage device including a positive electrode containing a positive composite, the positive composite containing a positive active material, a phosphorus atom and an aluminum atom, in which in a spectrum of the positive composite as measured by X-ray photoelectron spectroscopy, a peak position of P2p is at 134.7 eV or less, and a peak height ratio of Al2p to P2p (Al2p/P2p) is 0.1 or more.

公开(公告)号：US20180342723A1

公开(公告)日：2018-11-29

申请号：US15761464

申请日：2016-09-27

Applicant: GS Yuasa International Ltd

Inventor： Hirokazu KAMBAYASHI ,  Kazuto MAEDA

IPC: H01M2/26 ,  H01G9/04 ,  H01G9/008 ,  H01G9/00

Abstract: An energy storage device including: an electrode assembly and a positive electrode current collector, wherein the positive electrode current collector includes an electrode connecting portion connected to the electrode assembly, the electrode connecting portion includes a first portion and a second portion which has a smaller wall thickness than the first portion and is joined to the electrode assembly, and either one of the second portion or the electrode assembly includes a first convex portion projecting toward the other in a joined portion.

公开(公告)号：US10135056B2

公开(公告)日：2018-11-20

申请号：US14597026

申请日：2015-01-14

Applicant: GS Yuasa International Ltd.

Inventor： Tomonori Kishimoto

IPC: H01M2/26 ,  H01M2/18 ,  H01G11/06 ,  H01G11/28 ,  H01G11/56 ,  H01G11/74 ,  H01G11/82

Abstract: An energy storage device includes: an electrode terminal; an electrode assembly; a current collector configured to electrically connect the electrode terminal to the electrode assembly; and a container configured to store the electrode assembly and the current collector. The current collector includes a terminal connection part connected to the electrode terminal and an electrode assembly-connection part connected to the electrode assembly. The energy storage device further includes a spacer disposed lateral to the electrode assembly-connection part of the current collector. The spacer includes a restriction part configured to contact a part in a longitudinal direction of the electrode assembly-connection part of the current collector to restrict movement of the current collector in the longitudinal direction.

公开(公告)号：US10103375B2

公开(公告)日：2018-10-16

申请号：US14405111

申请日：2013-05-30

Applicant: GS Yuasa International Ltd. ,  HONDA MOTOR CO., LTD.

Inventor： Nobuyuki Naganawa

IPC: H01M2/30 ,  F16B35/06 ,  F16B37/06 ,  H01G11/74 ,  H01G11/82 ,  H01R11/28 ,  H01M2/20 ,  F16B5/02 ,  F16B37/04

Abstract: A fastening structure according to the present invention includes a bolt member, a nut member, and an anti-rotation member, wherein one of the bolt member and the nut member is attached so as to permit its displacement toward the other member side, and the one member or the anti-rotation member is formed to allow a maximum engaging width to be reduced as the one member is displaced toward the other member side.

公开(公告)号：US20180269461A1

公开(公告)日：2018-09-20

申请号：US15922742

申请日：2018-03-15

Applicant: GS Yuasa International Ltd.

Inventor： Mieko KIMURA ,  Kei Adachi

IPC: H01M2/26 ,  H01M10/0525 ,  H01M10/0585

CPC classification number: H01M2/26 ,  H01M10/0525 ,  H01M10/0585 ,  Y02T10/6278

Abstract: An energy storage device includes: an electrode assembly including stacked plates, and a positive electrode current collector joined to the stacked plates, wherein the electrode assembly and the positive electrode current collector include a joined portion where the electrode assembly and the positive electrode current collector are joined to each other with a concavo-convex structure where either one of the electrode assembly and the positive electrode current collector projects toward the other of the electrode assembly and the positive electrode current collector, and an outer periphery of the joined portion has a non-circular shape as viewed in a stacking direction of the plates in the joined portion.

公开(公告)号：US20180261806A1

公开(公告)日：2018-09-13

申请号：US15760940

申请日：2016-09-16

Applicant: GS Yuasa International Ltd. ,  Lithium jEnergy and Power GmbH & Co. KG

Inventor： Kenji KAWATE ,  Takeshi KAWAHARA ,  Tomoko NISHIKAWA

IPC: H01M2/04 ,  H01M10/04 ,  H01M2/18 ,  H01M6/02 ,  H01G11/78 ,  H01M10/0525 ,  H01M2/30 ,  H01M2/08

CPC classification number: H01M2/04 ,  H01G11/76 ,  H01G11/78 ,  H01G11/80 ,  H01G11/82 ,  H01M2/024 ,  H01M2/08 ,  H01M2/14 ,  H01M2/18 ,  H01M2/30 ,  H01M6/02 ,  H01M10/04 ,  H01M10/0431 ,  H01M10/0468 ,  H01M10/052 ,  H01M10/0525 ,  H01M2220/20

Abstract: An energy storage device includes an electrode body in which an electrode is wound, a case that stores the electrode body, and spacers (side spacers) interposed between the case and the electrode body. The spacers each have an opening that exposes a portion of faces of curved portions of the electrode body from one end to the other end of the electrode body in a winding axis direction of the electrode body.

公开(公告)号：US10056650B2

公开(公告)日：2018-08-21

申请号：US15242817

申请日：2016-08-22

Applicant: GS Yuasa International Ltd.

Inventor： Shinya Funo ,  Kazuma Saito

IPC: H01M10/12 ,  H01M2/12 ,  H01M2/36

CPC classification number: H01M10/12 ,  H01M2/1252 ,  H01M2/365 ,  H01M2/367 ,  Y02E60/126

Abstract: A lead-acid battery disclosed in the present specification includes: a container storing an element formed of a plurality of electrodes and an electrolyte solution; and a lid member fixed to an upper portion of the container. The lid member includes: a middle lid having a lid plate configured to seal an opening of the container; a cylindrical exhaust sleeve formed in a plateau portion formed on the lid plate in a penetrating manner and configured to discharge a gas generated in the container therethrough; and a recessed portion disposed adjacently to the exhaust sleeve and formed on a lower surface of the plateau portion in an upwardly recessed manner. The exhaust sleeve has a communication hole which communicates with the inside of the recessed portion and the inside of the exhaust sleeve.