公开(公告)号：US20220188478A1

公开(公告)日：2022-06-16

申请号：US17440113

申请日：2020-01-29

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Shigeki YAMATE

IPC: G06F30/20 ,  H01M10/48

Abstract: This simulation method includes accepting a simulation condition relating to an electricity storage device; and calculating a short circuit current on the basis of the accepted simulation condition to simulate a thermal phenomenon from the electricity storage device to the outside.

公开(公告)号：US20240176929A1

公开(公告)日：2024-05-30

申请号：US18552813

申请日：2022-03-25

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Motonobu MURAKAMI ,  Shota YAMAUCHI ,  Shigeki YAMATE

IPC: G06F30/20

CPC classification number: G06F30/20

Abstract: Provided are an estimation device, an estimation method, and a computer program.
An estimation device includes: an acquisition unit configured to acquire data relating to a strain generated in an energy storage device; and an estimation unit configured to estimate an internal stress in the energy storage device based on the data acquired by the acquisition unit using a simulation model that expresses a dynamic state inside the energy storage device.

公开(公告)号：US20220187139A1

公开(公告)日：2022-06-16

申请号：US17440122

申请日：2020-03-18

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Shigeki YAMATE

IPC: G01K1/20 ,  H01M10/48 ,  H02J7/00

Abstract: The present invention provides an estimation device and an estimation method. The present invention comprises: an input unit to which are inputted an element temperature measured for some power storage elements among a plurality of power storage elements that constitute a power storage device, and an environment temperature of the power storage device; and an estimation unit that estimates the temperature of the power storage elements on the basis of a heat balance model for the power storage elements, the heat balance model being represented using the element temperature and the environment temperature.

公开(公告)号：US20210293892A1

公开(公告)日：2021-09-23

申请号：US17191162

申请日：2021-03-03

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Shota YAMAUCHI ,  Shuji HITOMI ,  Shigeki YAMATE

IPC: G01R31/392 ,  G01R31/389 ,  G01R31/374 ,  G01R31/382

Abstract: Provided is an estimation device including: an acquisition unit that acquires measurement data on an energy storage device; an estimation unit that estimates the amount of deterioration for each deterioration mechanism of the energy storage device based on the acquired measurement data; and an output unit that outputs information based on an estimation result of the estimation unit.

公开(公告)号：US20220276311A1

公开(公告)日：2022-09-01

申请号：US17638027

申请日：2020-08-27

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Shigeki YAMATE

IPC: G01R31/374 ,  G01R31/367 ,  G01R31/389 ,  G01R31/392

Abstract: This estimation device is provided with: an acquiring unit which acquires a measurement result from a temperature sensor for measuring temperature at a specific location to which heat generated by an electrical storage device is transmitted; and an observer which, in accordance with input of the measurement result, estimates the temperature at a location where the temperature sensor has not performed measurement.

公开(公告)号：US20220188481A1

公开(公告)日：2022-06-16

申请号：US17598727

申请日：2020-03-25

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Shigeki YAMATE

IPC: G06F30/20 ,  H01M10/42

Abstract: A development support device includes a receiver that receives selection information about a degradation mechanism of a power storage device from a terminal device after user authentication of the terminal device, a simulation execution unit that simulates degradation of the power storage device by using the selected degradation mechanism based on the received selection information, and a transmitter that transmits a simulation result by the simulation execution unit or a simulation program executed in simulating the degradation of the power storage device to the terminal device.

公开(公告)号：US20220188479A1

公开(公告)日：2022-06-16

申请号：US17440579

申请日：2020-03-18

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Hiroyuki ENOMOTO ,  Shigeki YAMATE

IPC: G06F30/20 ,  H01M6/36 ,  H01M6/50

Abstract: The present invention provides a simulation method, a simulation device, and a simulation program. A method for simulating a cell in which the electrolyte is a molten salt, the simulation method involving simulating the behavior of the cell and including a process for raising the temperature of the molten salt.

公开(公告)号：US20210357551A1

公开(公告)日：2021-11-18

申请号：US17265435

申请日：2019-08-27

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Shigeki YAMATE

IPC: G06F30/20

Abstract: A development support device, a terminal device, a development support method, and a computer program are provided. A receiving unit that receives a simulation condition of a power storage device from a terminal device after user authentication of the terminal device, a simulation execution unit that simulates behavior of the power storage device based on the received simulation condition, and a transmission unit that transmits a simulation result by the simulation execution unit to the terminal device are included.