公开(公告)号：US11168445B2

公开(公告)日：2021-11-09

申请号：US16323900

申请日：2017-08-08

Applicant: HONDA MOTOR CO., LTD.

Inventor： Tomoko Tamai ,  Yuichi Hori ,  Kazuhide Matsuo ,  Satoshi Aoki ,  Satoshi Yonezawa ,  Hidetoshi Utsumi ,  Yasuro Katsuyama ,  Takehiro Mugishima

IPC: D21H13/50 ,  D21H17/48 ,  D21H17/52 ,  H05B3/34 ,  D01F9/12 ,  C01B32/05 ,  D01F9/14

Abstract: A method for manufacturing a carbon fiber sheet, the method including a carbon fiber forming step of heating a resin sheet to a carbonization temperature at a heating rate of 15,000° C./sec or higher, thereby forming a carbon fiber from the resin sheet. In the carbon fiber forming step, the resin sheet is preferably irradiated with an energy ray having an output density of 130 W/mm2 or higher and an amount of irradiation energy of 0.05 J/mm2 or more.

公开(公告)号：US20230207904A1

公开(公告)日：2023-06-29

申请号：US17975648

申请日：2022-10-28

Applicant: HONDA MOTOR CO., LTD.

Inventor： Hodaka Tsuge ,  Seiichi Koketsu ,  Shunsuke Konishi ,  Hidetoshi Utsumi

IPC: H01M10/44 ,  H01M10/0525 ,  H02J7/00

CPC classification number: H01M10/44 ,  H01M10/0525 ,  H02J7/0048

Abstract: A recovery processing method of a lithium ion battery of an embodiment is a processing method of recovering performance of the lithium ion battery. The recovery processing method of the lithium ion battery includes a process of holding an SOC of the lithium ion battery at a fixed value that is within a range of 10% to 70%. The SOC in the process is preferably set to equal to or smaller than a value in which a gradient of an SOC-voltage curve has a minimum value.

公开(公告)号：US20240331408A1

公开(公告)日：2024-10-03

申请号：US18587383

申请日：2024-02-26

Applicant: Honda Motor Co., Ltd.

Inventor： Shunsuke Konishi ,  Ryota Okutsu ,  Hidetoshi Utsumi ,  Fumihiro Aoki ,  Shuhei Masuoka

IPC: G06V20/56 ,  G01S17/08 ,  G01S17/89 ,  G06V20/58

CPC classification number: G06V20/588 ,  G01S17/08 ,  G01S17/89 ,  G06V20/58

Abstract: An external environment recognition apparatus includes an in-vehicle detector and a microprocessor. The microprocessor is configured to perform: recognizing a surface of the road and a three-dimensional object on the road for each frame as the road surface information based on a three-dimensional point cloud data including distance information for every one of a plurality of detection points in a matrix shape acquired in every frame by the in-vehicle detector; determining an interval of detection points of the three-dimensional point cloud data as a scanning angular resolution of the electromagnetic wave based on a size of a predetermined three-dimensional object and a distance to the predetermined three-dimensional object; and taking a predetermined avoidance measure so that at least one of the scanning angular resolution and a number of detection points corresponding to the interval of detection points does not exceed a predetermined limit value.

公开(公告)号：US20230316140A1

公开(公告)日：2023-10-05

申请号：US18125150

申请日：2023-03-23

Applicant: HONDA MOTOR CO., LTD.

Inventor： Shunsuke Konishi ,  Takuma Kawahara ,  Hidetoshi Utsumi ,  Koji Sato

IPC: G06N20/00

CPC classification number: G06N20/00

Abstract: An aspect of the present invention is a model evaluation device including an acquisition part configured to acquire updated second auxiliary filter information in which first auxiliary filter information and second auxiliary filter information are updated through learning, the first auxiliary filter information being generated by a first processing based on data for generation which was used in generation of a mathematical model which predicts degradation of an analysis target, the second auxiliary filter information indicating a regulation of estimating a reliability of a prediction result by the mathematical model while using the first auxiliary filter information, and an evaluation part configured to evaluate an accuracy of prediction by the mathematical model while using the second auxiliary filter information in a case input-scheduled data which is scheduled to be input to the mathematical model is actually input to the mathematical model.

公开(公告)号：US11038185B2

公开(公告)日：2021-06-15

申请号：US16445516

申请日：2019-06-19

Applicant: HONDA MOTOR CO., LTD.

Inventor： Tatsuro Haruki ,  Hidetoshi Utsumi ,  Eri Terada

IPC: H01M8/04291 ,  H01M8/04492 ,  H01M8/1004

Abstract: A water detection device is provided for a power generation cell. The power generation cell has a reactant gas flow field (oxygen-containing gas flow field) configured to allow a reactant gas to flow along a membrane electrode assembly. The water detection device includes an electrically conductive member and a support member. The support member is an insulating member. The support member covers, and supports an electrically conductive member, and has an opening which exposes part of the electrically conductive member as an electrode. The opening is provided at a position facing a reactant gas flow field.

公开(公告)号：US11796503B2

公开(公告)日：2023-10-24

申请号：US17200956

申请日：2021-03-15

Applicant: HONDA MOTOR CO., LTD.

Inventor： Hidetoshi Utsumi ,  Takehiro Fukushima ,  Shunsuke Konishi ,  Yuichi Hori ,  Hodaka Tsuge

IPC: H01M8/04 ,  G01N27/48 ,  G01N33/18 ,  H01M8/04492 ,  H01M8/10

CPC classification number: G01N27/48 ,  G01N33/18 ,  H01M8/045 ,  H01M2008/1095

Abstract: A voltage applying unit of a water detecting device applies, to a pair of electrodes, a voltage changing within an application range that includes a first voltage which is smaller than an electrolysis voltage of water and a second voltage which is larger than the electrolysis voltage of the water. A judging unit judges presence or absence of the water based on change in electric current measured by a current measuring unit when the voltage changing within the application range is applied to the pair of electrodes.

公开(公告)号：US20230216060A1

公开(公告)日：2023-07-06

申请号：US18089623

申请日：2022-12-28

Applicant: HONDA MOTOR CO., LTD.

Inventor： Hidetoshi Utsumi ,  Shunsuke Konishi ,  Hodaka Tsuge ,  Seiichi Koketsu

IPC: H01M4/62 ,  H01M4/40 ,  H01M10/0525 ,  H01M4/04

CPC classification number: H01M4/628 ,  H01M4/0404 ,  H01M4/405 ,  H01M10/0525 ,  H01M2004/028

Abstract: What are provided are a positive electrode for a lithium-ion battery capable of suppressing the generation of carbon dioxide while increasing the battery capacity of the lithium-ion battery, a lithium-ion battery and a method for producing a positive electrode for a lithium-ion battery. A positive electrode for a lithium-ion battery having a positive electrode current collector and a positive electrode active material layer, in which the positive electrode active material layer has a positive electrode mixture containing the positive electrode active material, and the positive electrode mixture contains lithium carbonate in a range of 9% by mass or more and 20% by mass or less with respect of the total weight thereof.

公开(公告)号：US20230208172A1

公开(公告)日：2023-06-29

申请号：US17971673

申请日：2022-10-24

Applicant: HONDA MOTOR CO., LTD.

Inventor： Hodaka Tsuge ,  Shunsuke Konishi ,  Seiichi Koketsu ,  Hidetoshi Utsumi

IPC: H02J7/00

CPC classification number: H02J7/0069 ,  H02J7/0048 ,  H02J7/007184

Abstract: A recovery processing method of a lithium ion battery having a positive electrode and a negative electrode and in which performance has decreased due to a residue of lithium ions in the negative electrode, the method comprises: repeating a cycle a plurality of times, the cycle including: a first process of setting an SOC of the lithium ion battery to a first value, that is equal to or smaller than a value of the SOC in which a gradient of an SOC-voltage curve is a minimum value and that is equal to or greater than the value of the SOC in which the gradient of the SOC-voltage curve is two times the minimum value, by charging; and a second process of setting the SOC of the lithium ion battery to a second value, that is smaller than the first value, by discharging.

公开(公告)号：US20230207903A1

公开(公告)日：2023-06-29

申请号：US17971678

申请日：2022-10-24

Applicant: HONDA MOTOR CO., LTD.

Inventor： Hodaka Tsuge ,  Shunsuke Konishi ,  Seiichi Koketsu ,  Hidetoshi Utsumi

IPC: H01M10/44 ,  H01M10/0525

CPC classification number: H01M10/44 ,  H01M10/0525

Abstract: A recovery processing method of a lithium ion battery includes repeating a cycle a plurality of times, and the cycle includes a first process of setting an SOC of the lithium ion battery to a first value that is equal to or less than a value of the SOC where a gradient of an SOC-voltage curve is a minimum value through charging, and a second process of setting the SOC of the lithium ion battery to a second value smaller than the first value through discharging.

公开(公告)号：US20230096267A1

公开(公告)日：2023-03-30

申请号：US17947213

申请日：2022-09-19

Applicant: HONDA MOTOR CO., LTD.

Inventor： Takuma Kawahara ,  Shunsuke Konishi ,  Hidetoshi Utsumi ,  Koji Sato

IPC: G01R31/392 ,  G01R31/396 ,  G01R31/3842 ,  G01R31/367

Abstract: Provided is a battery degradation estimation device including a storage medium that stores computer-readable instructions, and a processor coupled to the storage medium, the processor executing the computer-readable instructions to: acquire time-series data including at least a voltage, SOC (State Of Charge), temperature, and current of a battery; convert the time-series data into intermediate data to be used for training; predict a future value of the intermediate data and a future value of an indicator relating to a degradation state of the battery by using a prediction function to generate training data; train a prediction model for estimating the indicator relating to the degradation state of the battery on the basis of the training data; and estimate the indicator relating to the degradation state of the battery on the basis of the prediction model.