公开(公告)号：US20220237342A1

公开(公告)日：2022-07-28

申请号：US17618010

申请日：2020-06-09

Applicant: GS Yuasa International Ltd.

Inventor： Katsuyuki SATO ,  Muhammad Syahid Fitri Bin Azahar

IPC: G06F30/20

Abstract: A development support apparatus includes: an estimation unit that estimates behavior of an energy storage device by using an equivalent circuit model reflecting a state of charge (SOC)-operating voltage characteristic in a high change-amount region where an amount of change in an operating voltage with respect to an amount of change in the SOC is relatively higher than in other regions among SOC-operating voltage characteristics during constant current charge and discharge of the energy storage device; and an output unit that outputs a result of an estimation by the estimation unit.

公开(公告)号：US20220236786A1

公开(公告)日：2022-07-28

申请号：US17604885

申请日：2019-04-24

Applicant: GS Yuasa International Ltd.

Inventor： Shogo NAKAMURA ,  Shintaro GAMO

IPC: G06F1/3296 ,  G06F1/3212

Abstract: A maintenance method for a power storage system wherein: in a bank in which multiple modules, each comprising multiple lithium-ion battery cells connected to each other, are serially connected, a voltage sensor measures voltage values of the cells; a module containing a cell having the lowest voltage value in the hank is identified; and the capacity of the identified module or of the cell having the lowest voltage value is measured.

公开(公告)号：US20220229115A1

公开(公告)日：2022-07-21

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 ,  G01R31/396 ,  G01R31/371

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：US11387483B2

公开(公告)日：2022-07-12

申请号：US16486986

申请日：2018-02-16

Applicant: GS Yuasa International Ltd.

Inventor： Hirotsugu Ioka

IPC: H01M10/052 ,  H01G11/24 ,  H01M4/131 ,  H01M4/66 ,  H01M4/04 ,  H01G11/06 ,  H01M4/02 ,  H01M4/134 ,  H01M4/36

Abstract: A nonaqueous electrolyte energy storage device according to one aspect of the present invention is a nonaqueous electrolyte energy storage device including a positive electrode which has a conductive substrate and a positive electrode composite layer layered on the substrate, wherein the substrate is made from an aluminum alloy containing an element other than aluminum at a content of 1% by mass or more, and the positive electrode composite layer contains particles A and particles B having different particle sizes from each other as positive active materials.

公开(公告)号：US11381095B2

公开(公告)日：2022-07-05

申请号：US16964451

申请日：2019-01-18

Applicant: GS Yuasa International Ltd.

Inventor： Yuki Imanaka ,  Takeyuki Shiraishi ,  Atsushi Fukushima

IPC: F02N11/08 ,  H02J7/00 ,  B60R16/023 ,  B60R16/04

Abstract: A management device for an energy storage device, includes a processing unit that manages the energy storage device. When the management device for the energy storage device has lost power due to a voltage drop of the energy storage device, the processing unit determines whether cause of the power loss is an external short circuit between external terminals of the energy storage device or an engine start, and the processing unit executes a response operation according to the occurrence of the external short circuit in the case of the external short circuit, and does not execute the response operation in the case of the engine start.

公开(公告)号：US20220207315A1

公开(公告)日：2022-06-30

申请号：US17624766

申请日：2020-06-12

Applicant: GS Yuasa International Ltd.

Inventor： Tomikatsu UCHIHORI ,  Osamu KOBAYASHI

IPC: G06K19/077 ,  G06Q10/00

Abstract: A recovery assistance system that uses a plurality of recovery terminal devices installed in a plurality of locations to assist in the recovery of an article, wherein each of the plurality of recovery terminal devices is provided with a reading unit for reading, from a tag in the form of a sticker or sheet, identification information identifying the tag. On the basis of the identification information read from a tag attached to an article, a notification about detection of the article is issued to a sales provider, manufacturer, rental provider, or transport provider of the article corresponding to the identification information.

公开(公告)号：US11374287B2

公开(公告)日：2022-06-28

申请号：US16913564

申请日：2020-06-26

Applicant: GS Yuasa International Ltd.

Inventor： Tomoya Tsuchikawa

IPC: H01M50/46 ,  H01G11/52 ,  H01G11/04 ,  H01M50/409 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/056 ,  H01G11/06

Abstract: An energy storage device in which a micro-short circuit at the time of heat generation is suppressed is provided. The energy storage device includes: a positive electrode; a negative electrode containing a negative composite layer; and a separator disposed between the positive electrode and the negative electrode. The separator contains a base material layer containing a thermoplastic resin and an inorganic layer formed on the base material layer, the inorganic layer opposes to the positive electrode, the base material layer opposes to the negative electrode, and a ratio of a mass of the base material layer per unit area to a spatial volume of the negative composite layer is 0.26 or more.

公开(公告)号：US20220200307A1

公开(公告)日：2022-06-23

申请号：US17440765

申请日：2020-03-10

Applicant: GS Yuasa International Ltd.

Inventor： Kazunori DONO ,  Atsushi FUKUSHIMA

IPC: H02J7/00 ,  H02H7/18 ,  H02H3/08 ,  H02H3/02 ,  H01M50/583 ,  H01M10/48

Abstract: A protective apparatus of an energy storage device includes a current breaker that interrupts the current of the energy storage device, and a control part. There are a plurality of conditions having different current thresholds and cumulative thresholds, and the control part calculates a cumulative value N of times during which the current exceeds any one of the current thresholds Is, and executes current interruption processing of interrupting the current when the calculated cumulative value N exceeds one of the cumulative thresholds Ns associated with the current threshold Is.

公开(公告)号：US11367906B2

公开(公告)日：2022-06-21

申请号：US17049830

申请日：2019-04-01

Applicant: GS Yuasa International Ltd.

Inventor： Hiroki Kagohashi

IPC: H01M4/00 ,  H01M10/06 ,  H01M4/20 ,  H01M4/62

Abstract: A lead-acid battery provided with a negative electrode plate, a positive electrode plate, and an electrolyte solution. The negative electrode plate includes a negative current collector and a negative electrode material. When it is defined in a log differential pore volume distribution of the negative electrode material that a) a region having a pore size of 1 to 3 μm is a P region, b) a region having a pore size of 6 to 15 μm is a Q region, c) a maximum value of the log differential pore volume in the P region is P, and d) a maximum value of the log differential pore volume in the Q region is Q, after initial degradation, during use, or after 1220 cycles in a light-load life test in which charge and discharge of constant current discharge at 25 A for one minute and constant voltage charge at 2.47 V/cell and an upper limit current of 25 A for ten minutes are repeated at a test temperature of 75° C., the log differential pore volume distribution of the negative electrode material has a peak p corresponding to the maximum value P in the P region and a peak q corresponding to the maximum value Q in the Q region, and the maximum value P and the maximum value Q satisfy 0.25≤P/(P+Q)≤0.63.

公开(公告)号：US20220190321A1

公开(公告)日：2022-06-16

申请号：US17598506

申请日：2020-03-23

Applicant: GS Yuasa International Ltd.

Inventor： Tomoya TSUCHIKAWA

IPC: H01M4/36 ,  H01M50/431 ,  H01G11/52 ,  H01G11/24

Abstract: One aspect of the present invention is an energy storage device including: an electrode having a mixture layer containing active material particles; and a separator having an inorganic layer facing the mixture layer, the inorganic layer containing inorganic particles, in which the active material particles have two or more peaks in volume-based particle size distribution, and an average particle diameter of the inorganic particles is 1.2 μm or less.