公开(公告)号：US20190273244A1

公开(公告)日：2019-09-05

申请号：US16345575

申请日：2017-10-16

Applicant: ROBERT BOSCH GMBH ,  GS YUASA INTERNATIONAL LTD.

Inventor： Gaetan Deromelaere ,  Christopher Wille ,  Marco Friedrich ,  Markus Klinsmann ,  Cornelius Liebenow

IPC: H01M4/04 ,  H01M2/16 ,  H01M10/0525 ,  H01M4/36

Abstract: The invention relates to a battery cell, in particular a lithium ion battery cell, having a cathode (3) comprising a cathode active material (333) and having an anode (1) comprising an anode active material (111), wherein the cathode active material (333) and/or the anode active material (111) is/are structured in such a way that between contiguous cathode active material regions (333a) and/or between contiguous anode active material regions (111a) there are hollow spaces (4) which spatially separate the contiguous cathode active material regions (333a) and/or the contiguous anode active material regions (111a) from one another and wherein the hollow spaces (4) are at least partly filled with an electrically insulating material (5).

公开(公告)号：US20190272957A1

公开(公告)日：2019-09-05

申请号：US16415373

申请日：2019-05-17

Applicant: GS Yuasa International Ltd.

Inventor： Masamitsu TONONISHI

IPC: H01G9/008 ,  H01G11/78 ,  H01M2/02 ,  H01G11/10 ,  H01G11/82 ,  H01M2/10

Abstract: An energy storage apparatus includes an energy storage device, an outer covering, an end plate which is disposed on a side of the energy storage device, and a binding member which is mounted on the end plate and applies a binding force to the energy storage device. The end plate includes a region where the binding member is mounted, another region which differs from the region and has a higher rigidity than the region, a first plate member which includes the region, and a second plate member which includes a part of the another region. The first plate member is disposed between the energy storage device and the second plate member.

公开(公告)号：US20190271743A1

公开(公告)日：2019-09-05

申请号：US16418787

申请日：2019-05-21

Applicant: GS Yuasa International Ltd.

Inventor： Masayuki Imura ,  Tomohiro Kawauchi ,  Yoshihiko Mizuta ,  Takeshi Nakamoto

IPC: G01R31/327 ,  H02H7/00 ,  G01R19/165 ,  G01R31/26 ,  H01M2/34 ,  H02J7/00 ,  H02H7/20 ,  H01M10/48 ,  H02H1/00 ,  H02H7/18 ,  H01M10/42

Abstract: A power supply protective device, includes: a first switch provided between a first terminal to which at least one of a load and a charger is connected and a second terminal to which a power supply is connected; a switching circuit connected in parallel to the first switch and including a second switch and a voltage drop element connected in series to the second switch, the voltage drop element causing a voltage drop of a reference voltage by a current flow; a voltage detection unit which detects at least one voltage of a first voltage as a voltage of the first terminal, a second voltage as a voltage of the second terminal, and a third voltage as a voltage at a point between the second switch and the voltage drop element; and a control unit.

公开(公告)号：US10381612B2

公开(公告)日：2019-08-13

申请号：US15700674

申请日：2017-09-11

Applicant: GS Yuasa International Ltd.

Inventor： Kazuto Maeda ,  Hirokazu Kambayashi

IPC: H01M2/02 ,  H01M2/04 ,  H01M2/06 ,  H01M2/30 ,  H01M10/0525 ,  H01M2/26

Abstract: An energy storage device includes a first locking portion for locking a rotation of a positive electrode current collecting member about a shaft portion of a positive electrode terminal with respect to a lower insulating member. The first locking portion includes: a recessed portion formed on the lower insulating member; and a projecting portion formed on the positive electrode current collecting member. The recessed portion is indented away from the shaft portion in a direction which intersects with the shaft portion. The projecting portion projects away from the shaft portion in the direction which intersects with the shaft portion. The recessed portion and the projecting portion are configured to engage with each other. A leg portion is positioned closer to an end portion of a lid body in a longitudinal direction of the lid body than the first locking portion is.

公开(公告)号：US20190237764A1

公开(公告)日：2019-08-01

申请号：US16328184

申请日：2017-08-28

Applicant: GS Yuasa International Ltd.

Inventor： Masashi TAKANO ,  Akihiko MIYAZAKI

IPC: H01M4/587 ,  H01G11/32 ,  H01G11/26 ,  H01G11/86 ,  H01M4/04 ,  H01M10/0525

CPC classification number: H01M4/587 ,  C01P2002/02 ,  C01P2006/14 ,  C01P2006/17 ,  C01P2006/40 ,  H01G11/24 ,  H01G11/26 ,  H01G11/32 ,  H01G11/38 ,  H01G11/86 ,  H01M4/0404 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

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.

公开(公告)号：US10338141B2

公开(公告)日：2019-07-02

申请号：US15538147

申请日：2015-12-24

Applicant: GS Yuasa International Ltd.

Inventor： Masayuki Imura ,  Tomohiro Kawauchi ,  Yoshihiko Mizuta ,  Takeshi Nakamoto

IPC: G01R31/327 ,  H01M10/48 ,  H02H7/00 ,  H02H7/20 ,  H02J7/00 ,  G01R19/165 ,  G01R31/26 ,  H01M2/34 ,  H01M10/42 ,  H02H1/00 ,  H02H7/18

Abstract: A power supply protective device, when obtaining an open voltage when a second switch is brought into a closed state and a first switch is brought into an open state during discharging of a power supply, and obtaining a close voltage when the second switch is brought into the closed state and the first switch is brought into the closed state during discharging of the power supply, diagnoses the first switch as having a failure or not on the basis of the open voltage and the close voltage. When executing first a close instruction to the first switch and the second switch, if a voltage difference is less than a first threshold voltage, the first switch is determined to have no open failure, and/or when not less than a second threshold voltage, the second switch is determined to have no open failure.

公开(公告)号：US20190198831A1

公开(公告)日：2019-06-27

申请号：US16219731

申请日：2018-12-13

Applicant: GS Yuasa International Ltd. ,  Honda Motor Co., Ltd.

Inventor： Eiji YUASA ,  Kentaro SHIBUYA

IPC: H01M2/10 ,  H01M2/20

CPC classification number: H01M2/1077 ,  H01M2/206

Abstract: In the present embodiment, an energy storage apparatus includes: a plurality of energy storage devices arranged in a first direction; a pair of end members disposed on both ends in the first direction of the plurality of energy storage devices; a connecting member that extends in the first direction and connects the pair of end members; and an intermediate member disposed between adjacent two of the energy storage devices, wherein the connecting member is decouplable at a position corresponding to the intermediate member in the first direction, and the intermediate member includes a first intermediate part and a second intermediate part that are separable in the first direction and are engaged with each other.

公开(公告)号：US10330735B2

公开(公告)日：2019-06-25

申请号：US15179718

申请日：2016-06-10

Applicant: GS Yuasa International Ltd.

Inventor： Kenichi Sejima ,  Takeyuki Shiraishi

IPC: G01R31/36 ,  G01R31/3842 ,  G01R31/367 ,  G01R31/392 ,  G01R31/3828 ,  G01R31/387

Abstract: A state estimation device includes: a current integration unit configured to integrate a current that flows through the energy storage device; and a first estimation unit configured to estimate a full-charge capacity of the energy storage device. The energy storage device has a correlation characteristic of correlation between a residual capacity C and an open voltage V, the correlation characteristic including a constant region in which a time change in the correlation characteristic is relatively smaller than an other region. The first estimation unit performs: calculation of a residual capacity Cp of the energy storage device at a measuring point P based on an open voltage Vp of the energy storage device at the measuring point P included in the constant region, and on the correlation characteristic; and estimation of a full-charge capacity Co of the energy storage device based on the residual capacity Cp at the measuring point P that has been calculated, and on an accumulated charge-discharge amount X of the energy storage device from a full-charge state to the measuring point P, the full-charge state satisfying a full charge condition.

公开(公告)号：US10319957B2

公开(公告)日：2019-06-11

申请号：US15272267

申请日：2016-09-21

Applicant: GS Yuasa International Ltd.

Inventor： Taro Yamafuku ,  Masaki Masuda

IPC: H01M2/02 ,  H01M2/20 ,  H01M10/0525 ,  H01G11/78 ,  H01G9/08 ,  H01G11/82 ,  H01M2/04

Abstract: An energy storage device includes a metal case which houses an electrode assembly therein, and an insulation sheet mounted on a portion of an outer surface of the case. The case includes a projecting portion which extends in a thickness direction of the insulation sheet along an edge surface of at least a portion of the insulation sheet, and a distal end of the projecting portion projects from the insulation sheet.

公开(公告)号：US10295609B2

公开(公告)日：2019-05-21

申请号：US14905137

申请日：2014-06-18

Applicant: GS Yuasa International Ltd.

Inventor： Yuichi Ikeda ,  Yohei Tao ,  Shigeki Yamate

IPC: G01R31/36 ,  H01M10/42 ,  H01M10/48 ,  G01R31/392 ,  G01R31/389 ,  H02J7/00 ,  G01R31/44 ,  H02J7/04

Abstract: A deterioration state detection apparatus for detecting a deterioration state of capacity enabling charge or discharge of a nonaqueous electrolyte secondary battery includes: an acquisition unit that acquires a capacitance of the nonaqueous electrolyte secondary battery: and a determination unit that determines the deterioration state of capacity enabling charge or discharge of the nonaqueous electrolyte secondary battery, from change of the acquired capacitance.