公开(公告)号：US20220013783A1

公开(公告)日：2022-01-13

申请号：US17368764

申请日：2021-07-06

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Makiko TAKAHASHI ,  Tomohiro KINOSHITA ,  Shintaro AOYAGI ,  Yuji ISOGAI ,  Takashi MUKAI ,  Yuta IKEUCHI ,  Taichi SAKAMOTO ,  Naoto YAMASHITA

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/134 ,  H01M4/38 ,  H01M4/139

Abstract: An object is to provide a non-aqueous electrolyte secondary battery negative electrode that can suppress a deterioration in durability and improve energy density, and a non-aqueous electrolyte secondary battery including the same. A non-aqueous electrolyte secondary battery negative electrode, comprising: a collector formed of a porous metal body, and a negative electrode material disposed in pores of the porous metal body, wherein the negative electrode material comprises a negative electrode active material formed of a silicon-based material, a skeleton-forming agent comprising a silicate having a siloxane bond, a conductivity aid, and a binder.

公开(公告)号：US20210257627A1

公开(公告)日：2021-08-19

申请号：US17167105

申请日：2021-02-04

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Makiko TAKAHASHI ,  Shintaro AOYAGI

IPC: H01M4/80 ,  H01M4/66 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M4/587

Abstract: Provided is an electrode including a metal foam as a current collector for obtaining a lithium-ion secondary battery having a high energy density. More particularly, provided is a lithium-ion secondary battery electrode that achieves improved input/output properties (power density) and improved durability, and a lithium-ion secondary battery including the lithium-ion secondary battery electrode. An electrode is formed by providing, in an electrode layer, a region having an excessive amount of an electrolytic solution by forming a region where a current collector made of a metal foam contains no electrode material mixture.

公开(公告)号：US20210376404A1

公开(公告)日：2021-12-02

申请号：US17332977

申请日：2021-05-27

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Shintaro AOYAGI ,  Yuji ISOGAI

IPC: H01M10/653 ,  H01M10/613 ,  H01M4/64 ,  H01M10/0525 ,  H01M10/654

Abstract: To provide a battery cell structure capable of improving heat dissipation without degradation of an energy density and an obstacle to size reduction while an electrode layer of a battery cell has sufficient heat transfer properties. The present invention relates to a cell structure including a positive/negative electrode formed in such a manner that a conductive base member having a three-dimensional structure contains an electrode active material and a collector formed continuously to the positive/negative electrode. One surface of the collector is formed continuously in a longitudinal direction of the positive/negative electrode (across a large area), and the other surface of the collector is exposed in a longitudinal direction of the cell structure (across a large area).

公开(公告)号：US20220231302A1

公开(公告)日：2022-07-21

申请号：US17572512

申请日：2022-01-10

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Toshimitsu TANAKA ,  Yuji ISOGAI

IPC: H01M4/66 ,  H01M4/36

Abstract: Provided is an electrode including: a current collector; and an electrode material mixture, the current collector being a porous metal body, the current collector having pores filled with the electrode material mixture, the electrode material mixture including an electrode active material and porous aggregates of a conductive aid. Also provided is an electricity storage device including: the electrode; and an electrolytic solution.

公开(公告)号：US20210288328A1

公开(公告)日：2021-09-16

申请号：US17194322

申请日：2021-03-08

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Makiko TAKAHASHI ,  Shintaro AOYAGI

IPC: H01M4/66 ,  H01M10/0525

Abstract: To provide an electrode for a lithium ion secondary battery being an electrode for obtaining a lithium ion secondary battery including a foamed metal as a current collector and having a high energy density, and further capable of improving durability and input/output characteristics (output density), and a lithium ion secondary battery using the electrode for a lithium ion secondary battery.
A porous coating layer is disposed on an electrode layer of the electrode for a lithium ion secondary battery using a current collector made of a foamed metal, an electrolytic solution extruded from the electrode layer due to expansion of a negative electrode active material can be absorbed and trapped in the coating layer.

公开(公告)号：US20210257622A1

公开(公告)日：2021-08-19

申请号：US17163584

申请日：2021-02-01

Applicant: HONDA MOTOR CO., LTD.

Inventor： Kiyoshi TANAAMI ,  Yuji ISOGAI ,  Makiko TAKAHASHI ,  Shintaro AOYAGI

IPC: H01M4/66 ,  H01M4/36 ,  H01M10/0525 ,  H01M50/54

Abstract: Provided are an electrode for lithium ion secondary batteries which is an electrode for obtaining a lithium ion secondary batteries having high energy density with foam metal as the collector, and further being able to improve durability and input/output characteristics (output density), as well as a lithium ion secondary battery made using this electrode for lithium ion secondary batteries. The electrode layer of the electrode for lithium ion secondary batteries using a collector consisting of foam metal is configured by dividing into a plurality of electrode divided parts, whereby the migration distance of electrons and migration distance of ions in each of the electrode divided parts is shortened.

公开(公告)号：US20230258582A1

公开(公告)日：2023-08-17

申请号：US18162716

申请日：2023-02-01

Applicant: HONDA MOTOR CO., LTD.

Inventor： Hideki SAKAI ,  Atsushi SAKURAI ,  Tatsuya HATTORI ,  Yuji ISOGAI

IPC: G01N23/046 ,  G01N23/083

CPC classification number: G01N23/046 ,  G01N23/083 ,  G01N2223/646

Abstract: The vehicle battery inspection device includes a circular ring-shaped rail 10; a vehicle stand 20 that is arranged inside the rail 10, on the vehicle stand 20 the vehicle can self-travel substantially along the axial direction of the rail 10; a vehicle stand driver 30 that movably supports the vehicle stand 20; an X-ray source 40 configured to be movable along a circumferential direction of the rail 10 and irradiates the vehicle on the vehicle stand 20 with X-rays; an X-ray detector 50 configured to be movable in synchronization with the X-ray source 40 along the circumferential direction while being held in an orientation facing the X-ray source 40 and detects the X-rays to output an X-ray CT image of the battery; and a controller 90 which controls the vehicle stand driver 30 to arrange the battery at a location of inspection with the X-rays.

公开(公告)号：US20230243640A1

公开(公告)日：2023-08-03

申请号：US18148394

申请日：2022-12-29

Applicant: HONDA MOTOR CO., LTD.

Inventor： Atsushi SAKURAI ,  Yuji ISOGAI ,  Hideki SAKAI ,  Tatsuya HATTORI

IPC: G01B11/16 ,  G06T7/73 ,  G06V20/64 ,  G06V10/75 ,  H01M10/48

CPC classification number: G01B11/16 ,  G06T7/74 ,  G06V20/64 ,  G06V10/757 ,  H01M10/48 ,  G06T2207/30108 ,  G06T2207/10081 ,  G06T2200/04 ,  G06T2207/10121

Abstract: An expansion/contraction amount calculation device 1 calculates an amount of deformation of an electrode by calculating an amount of expansion/contraction of the electrode based on 3D data of the electrode. The expansion/contraction amount calculation device 1 includes a controller 10 including: a feature point identifier 11 configured to identify a feature point from arrangement information regarding a piece of an active material, the arrangement information being included in the 3D data; a coordinate generator 12 configured to generate, based on relative positional information regarding the feature point, a coordinate system for calculation of the amount of deformation; and a calculator 14 configured to calculate, by comparing first 3D data with second 3D data, the amount of expansion/contraction of the electrode and the amount of deformation of the electrode.

公开(公告)号：US20230236148A1

公开(公告)日：2023-07-27

申请号：US18156354

申请日：2023-01-18

Applicant: HONDA MOTOR CO., LTD.

Inventor： Tatsuya HATTORI ,  Yuji ISOGAI ,  Hideki SAKAI ,  Hiroshi SAKAI ,  Atsushi SAKURAI

IPC: G01N27/416 ,  G01N27/333 ,  G01N27/417

CPC classification number: G01N27/4166 ,  G01N27/333 ,  G01N27/417

Abstract: To accurately detect the moving state of secondary atomic ions at the time of targeted voltage application and the moving state of secondary atomic ions due to diffusion. An ion movement measuring device includes a test specimen and a detector. The test specimen has a first electrode, a second electrode, and an electrolyte disposed between them. The first electrode and the second electrode each have a layer of an identical element, and have the identical potential in a state where no voltage is applied from outside the test specimen. At least the first electrode contains second atoms being isotopes of first atoms at an abundance ratio higher than a natural abundance ratio of the second atoms, the first atoms being present at a highest natural abundance ratio in the element. The detector detects some of ions of the first atoms and the second atoms, which are discharged from the electrolyte.

公开(公告)号：US20230234008A1

公开(公告)日：2023-07-27

申请号：US18154871

申请日：2023-01-16

Applicant: HONDA MOTOR CO., LTD.

Inventor： Tatsuya HATTORI ,  Yuji ISOGAI ,  Hideki SAKAI ,  Atsushi SAKURAI

IPC: B01F35/213 ,  H01M4/139 ,  B01F35/52

CPC classification number: B01F35/213 ,  H01M4/139 ,  B01F35/52

Abstract: To detect the state of a slurry during stirring without exposure to the atmosphere and with high accuracy. A stirring tank stores a slurry for a battery without exposure to the atmosphere. A stirring device stirs the slurry in the stirring tank. An observation container is coupled to the stirring tank. A circulation device circulates the slurry between the stirring tank and the observation container without exposure to the atmosphere. A detection device detects the state of the slurry by irradiating the slurry in the observation container with X-rays and detecting the X-rays transmitted through the slurry.