公开(公告)号：US20240235232A1

公开(公告)日：2024-07-11

申请号：US18561650

申请日：2022-04-13

Applicant: GS Yuasa International Ltd.

Inventor： Atsushi FUKUSHIMA ,  Shigeki HATTORI

IPC: H02J7/00 ,  B60R16/033 ,  H01M10/42

CPC classification number: H02J7/0063 ,  B60R16/033 ,  H01M10/425 ,  H01M2010/4271

Abstract: A control device 130 for an energy storage cell mounted on a vehicle, wherein the energy storage cell 62 includes, with respect to battery performance, a first region and a second region having the lower battery performance than the first region, and the control device 130, in a case where the energy storage cell 62 is shifted from the first region A1 to the second region A2, outputs a signal notifying shifting of the region A to a vehicle control unit 140 that controls the vehicle 10, and after outputting of the signal, the control device 130 maintains a current interruption device 53 that interrupts a current to the energy storage cell 62 in a closed state at least for a predetermined time Tw, thus enabling supply of electricity to the vehicle 10.

公开(公告)号：US20240234708A1

公开(公告)日：2024-07-11

申请号：US18563034

申请日：2022-03-16

Applicant: GS Yuasa International Ltd.

Inventor： Yuto YAMAKAWA

IPC: H01M4/505 ,  H01M4/02 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525

CPC classification number: H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028

Abstract: A nonaqueous electrolyte energy storage device according to one aspect of the present invention includes a positive electrode including a lithium transition metal composite oxide containing manganese; and a negative electrode including graphite, in which a ratio of manganese to metal elements other than lithium in the lithium transition metal composite oxide is 20 mol % or less, and depth of charge of the graphite in a charged state is less than 0.54.

公开(公告)号：US12000904B2

公开(公告)日：2024-06-04

申请号：US17754230

申请日：2020-09-30

Applicant: GS Yuasa International Ltd.

Inventor： Ryosuke Takehana ,  Nan Ukumori

IPC: G01R31/392 ,  G01R31/374 ,  G01R31/382 ,  H02J7/00

CPC classification number: G01R31/392 ,  G01R31/374 ,  G01R31/382 ,  H02J7/0048 ,  H02J7/005 ,  H02J7/00712

Abstract: An estimation device 4 is provided with: an acquisition unit 41 for acquiring time-series data about an SOC of a power storage element; a specification unit 41 for specifying a fluctuation range of the SOC in the time-series data and an SOC representative value representing an SOC region in the fluctuation range; and an estimation unit 41 for estimating a shape change of the power storage element on the basis of the specified fluctuation range and the specified representative value.

公开(公告)号：US20240168099A1

公开(公告)日：2024-05-23

申请号：US18551505

申请日：2022-03-09

Applicant: GS Yuasa International Ltd.

Inventor： Shinnosuke ICHIKAWA ,  Shinya MIYAZONO ,  Akihito TANOI ,  Heisuke NISHIKAWA ,  Nobuhiro NAKAJIMA ,  Takashi SHIMIZU

IPC: G01R31/3842 ,  G01R31/3828 ,  H01M4/48 ,  H01M10/42 ,  H01M10/48 ,  H01M4/02 ,  H02J7/00

CPC classification number: G01R31/3842 ,  G01R31/3828 ,  H01M4/483 ,  H01M10/425 ,  H01M10/48 ,  H01M2004/027 ,  H02J7/0048

Abstract: An estimation device is a device that estimates a charge state of an energy storage device including a negative electrode having a negative active material that contains Si. The estimation device includes a control unit that determines based on a charge-discharge history of the energy storage device whether or not to perform a first estimation method of estimating a charge state of the energy storage device by using a relationship between the charge state and a voltage of the energy storage device.

公开(公告)号：US11987138B2

公开(公告)日：2024-05-21

申请号：US17291915

申请日：2019-11-12

Applicant: GS Yuasa International Ltd.

Inventor： Takeyuki Shiraishi ,  Satoru Narimoto

IPC: B60L3/00 ,  B60L58/12 ,  G01R31/3835 ,  G01R31/389 ,  H01M10/44 ,  H01M10/48 ,  H02J7/00

CPC classification number: B60L3/0046 ,  B60L58/12 ,  G01R31/3835 ,  G01R31/389 ,  H01M10/443 ,  H01M10/48 ,  H01M10/486 ,  H02J7/0048 ,  H02J7/007182 ,  B60L2240/545 ,  B60L2240/547 ,  B60L2240/549 ,  B60L2240/80 ,  H01M2220/20

Abstract: A management apparatus for an energy storage device, wherein after the start of counting an elapsed time since a current of the energy storage device became equal to or smaller than a first threshold, when a predetermined condition in which the voltage of the energy storage device is possibly not stable is satisfied at a time point where the count reaches a stabilization time (predetermined value), the count of the elapsed time is changed.

公开(公告)号：US11982713B2

公开(公告)日：2024-05-14

申请号：US17605411

申请日：2020-04-13

Applicant: GS Yuasa International Ltd.

Inventor： Wataru Yamamoto ,  Hitoshi Matsushima ,  Keita Nakai ,  Tetsuro Matsumoto

IPC: G01R31/367 ,  G01R31/36 ,  G01R31/371 ,  G01R31/396 ,  H01M10/48 ,  H04L67/12

CPC classification number: G01R31/367 ,  G01R31/3646 ,  G01R31/371 ,  G01R31/396 ,  H01M10/48 ,  H04L67/12

Abstract: Provided are an information processing device, an information processing system, an information processing method, and a computer program capable of visually and easily grasping a state of an energy storage device. An information processing device includes: an acquisition unit configured to acquire information including a state of an energy storage device by communication at predetermined time intervals; a storage processing unit configured to store the acquired information in a storage medium in association with information for identifying the energy storage device; a transmission processing unit configured to transmit screen information of a state screen including an image of a system including the energy storage device and a graphic indicating the state of the energy storage device to a communication terminal device; and an automatic monitor unit configured to update information of the graphic based on latest information stored in the storage medium and periodically transmit the information of the graphic to the communication terminal device.

公开(公告)号：US20240145816A1

公开(公告)日：2024-05-02

申请号：US18280567

申请日：2022-03-09

Applicant: GS Yuasa International Ltd.

Inventor： Kohei KADOTA

IPC: H01M10/6553 ,  H01G9/008 ,  H01M50/209 ,  H01M50/503 ,  H01M50/507

CPC classification number: H01M10/6553 ,  H01M50/209 ,  H01M50/503 ,  H01M50/507 ,  H01G9/008

Abstract: An energy storage apparatus includes: an energy storage device; an electrical component disposed on a path of a current that flows through a main circuit including the energy storage device; a first conductive member including a first connecting portion that is electrically connected to the energy storage device; a second conductive member that is connected to the first conductive member and is electrically connected to the electrical component; and an outer case accommodating the energy storage device, the electrical component, the first conductive member, and the second conductive member, wherein at least one conductive member of the first conductive member and the second conductive member includes: a second connecting portion being a portion that overlaps with an other conductive member and is connected to the other conductive member in a state where the second connecting portion is in contact with the other conductive member; and an extension portion extending from the second connecting portion in a direction away from the path of the current.

公开(公告)号：US11942808B2

公开(公告)日：2024-03-26

申请号：US17056996

申请日：2019-05-16

Applicant: GS Yuasa International Ltd.

Inventor： Yuki Imanaka

IPC: H02J7/00 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/44 ,  H01M10/48 ,  H01G9/00

CPC classification number: H02J7/00306 ,  H01M10/0525 ,  H01M10/4257 ,  H01M10/441 ,  H01M10/48 ,  H02J7/0063 ,  H01G9/0003 ,  H01M2010/4271 ,  H01M2220/20

Abstract: The energy storage apparatus includes an energy storage device, a circuit breaker connected in series with the energy storage device, a reception unit that receives a discharge instruction to discharge remaining electric power of the energy storage device, and a management unit. The management unit executes protection processing of opening, when a state of charge of the energy storage device drops below a predetermined threshold value, the circuit breaker to protect the energy storage device from overdischarging, and protection release processing of releasing protection of the energy storage device when the discharge instruction is received by the reception unit.

公开(公告)号：US20240055700A1

公开(公告)日：2024-02-15

申请号：US18267447

申请日：2021-12-02

Applicant: GS Yuasa International Ltd.

Inventor： Kazuya OKABE ,  Ryoichi OKUYAMA

IPC: H01M10/658 ,  H01M50/24 ,  H01M50/249

CPC classification number: H01M10/658 ,  H01M50/24 ,  H01M50/249 ,  H01M2220/20

Abstract: An energy storage apparatus includes an energy storage unit including a first energy storage device and a second energy storage device that are arranged in a first direction. The first energy storage device includes a concave part in which a surface of the first energy device, the surface opposite to the second energy storage device is recessed. The energy storage unit further includes: a first adhesive body that is disposed in the concave part between the first energy storage device and the second energy storage device and adheres to the first energy storage device and the second energy storage device; and a spacer that is disposed between the first energy storage device and the second energy storage device at a position different from the first adhesive body in a second direction intersecting with the first direction.

公开(公告)号：US20240021794A1

公开(公告)日：2024-01-18

申请号：US18034913

申请日：2021-10-04

Applicant: GS Yuasa International Ltd.

Inventor： Daisuke Endo ,  Shinya Otani ,  Satoshi Hoshino

IPC: H01M4/36 ,  H01M4/587 ,  H01M4/58 ,  H01M4/133 ,  H01M4/136 ,  C01B25/45 ,  H01G11/32 ,  H01G11/46

CPC classification number: H01M4/366 ,  H01M4/587 ,  H01M4/5825 ,  H01M4/133 ,  H01M4/136 ,  C01B25/45 ,  H01G11/32 ,  H01G11/46 ,  H01M2004/028

Abstract: In a positive active material for energy storage device according to an aspect of the present invention, at least part of a surface is coated with carbon, a ratio of full width at half maximum of a peak in a charged state to a peak in a discharged state is 0.85 or more and 1.13 or less in a peak corresponding to a (131) plane observed by powder X-ray diffraction using CuKα radiation, and the positive active material for energy storage device is a compound represented by the following Formula 1.


LiFexMn(1−x)PO4(0≤x≤1)   1